MAPREDUCE-3098. Fixed RM and MR AM to report YarnApplicationState and application's FinalStatus separately. Contributed by Hitesh Shah.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1177633 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -324,6 +324,9 @@ Release 0.23.0 - Unreleased
     MAPREDUCE-3001. Added task-specific counters to AppMaster and JobHistory
     web-UIs. (Robert Joseph Evans via vinodkv)
 
+    MAPREDUCE-3098. Fixed RM and MR AM to report YarnApplicationState and
+    application's FinalStatus separately. (Hitesh Shah via vinodkv)
+
   OPTIMIZATIONS
 
     MAPREDUCE-2026. Make JobTracker.getJobCounters() and

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMCommunicator.java

@@ -46,6 +46,7 @@
 import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
@@ -169,14 +170,14 @@ protected void register() {
 
   protected void unregister() {
     try {
-      String finalState = "RUNNING";
+      FinalApplicationStatus finishState = FinalApplicationStatus.UNDEFINED;
       if (job.getState() == JobState.SUCCEEDED) {
-        finalState = "SUCCEEDED";
+        finishState = FinalApplicationStatus.SUCCEEDED;
       } else if (job.getState() == JobState.KILLED) {
-        finalState = "KILLED";
+        finishState = FinalApplicationStatus.KILLED;
       } else if (job.getState() == JobState.FAILED
           || job.getState() == JobState.ERROR) {
-        finalState = "FAILED";
+        finishState = FinalApplicationStatus.FAILED;
       }
       StringBuffer sb = new StringBuffer();
       for (String s : job.getDiagnostics()) {
@@ -191,7 +192,7 @@ protected void unregister() {
       FinishApplicationMasterRequest request =
           recordFactory.newRecordInstance(FinishApplicationMasterRequest.class);
       request.setAppAttemptId(this.applicationAttemptId);
-      request.setFinalState(finalState.toString());
+      request.setFinishApplicationStatus(finishState);
       request.setDiagnostics(sb.toString());
       request.setTrackingUrl(historyUrl);
       scheduler.finishApplicationMaster(request);

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/TypeConverter.java

@@ -45,7 +45,7 @@
 import org.apache.hadoop.yarn.YarnException;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.NodeReport;
 import org.apache.hadoop.yarn.api.records.QueueACL;
 import org.apache.hadoop.yarn.api.records.QueueState;
@@ -378,13 +378,13 @@ public static List<TaskReport> fromYarn(
     return reports;
   }
 
-  public static JobStatus.State fromYarn(ApplicationState state) {
+  public static JobStatus.State fromYarn(YarnApplicationState state) {
     switch (state) {
     case SUBMITTED:
       return State.PREP;
     case RUNNING:
       return State.RUNNING;
-    case SUCCEEDED:
+    case FINISHED:
       return State.SUCCEEDED;
     case FAILED:
       return State.FAILED;
@@ -417,7 +417,7 @@ public static JobStatus fromYarn(ApplicationReport application,
       new JobStatus(
           TypeConverter.fromYarn(application.getApplicationId()),
           0.0f, 0.0f, 0.0f, 0.0f,
-          TypeConverter.fromYarn(application.getState()),
+          TypeConverter.fromYarn(application.getYarnApplicationState()),
           org.apache.hadoop.mapreduce.JobPriority.NORMAL,
           application.getUser(), application.getName(),
           application.getQueue(), jobFile, trackingUrl

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/test/java/org/apache/hadoop/mapreduce/TestTypeConverter.java

@@ -21,7 +21,7 @@
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
 import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationIdPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationReportPBImpl;
@@ -35,11 +35,11 @@ public class TestTypeConverter {
   @Test
   public void testFromYarn() throws Exception {
     int appStartTime = 612354;
-    ApplicationState state = ApplicationState.RUNNING;
+    YarnApplicationState state = YarnApplicationState.RUNNING;
     ApplicationId applicationId = new ApplicationIdPBImpl();
     ApplicationReportPBImpl applicationReport = new ApplicationReportPBImpl();
     applicationReport.setApplicationId(applicationId);
-    applicationReport.setState(state);
+    applicationReport.setYarnApplicationState(state);
     applicationReport.setStartTime(appStartTime);
     applicationReport.setUser("TestTypeConverter-user");
     JobStatus jobStatus = TypeConverter.fromYarn(applicationReport, "dummy-jobfile");
@@ -56,7 +56,7 @@ public void testFromYarnApplicationReport() {
     ApplicationReport mockReport = mock(ApplicationReport.class);
     when(mockReport.getTrackingUrl()).thenReturn("dummy-tracking-url");
     when(mockReport.getApplicationId()).thenReturn(mockAppId);
-    when(mockReport.getState()).thenReturn(ApplicationState.KILLED);
+    when(mockReport.getYarnApplicationState()).thenReturn(YarnApplicationState.KILLED);
     when(mockReport.getUser()).thenReturn("dummy-user");
     when(mockReport.getQueue()).thenReturn("dummy-queue");
     String jobFile = "dummy-path/job.xml";

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/ClientServiceDelegate.java

@@ -61,7 +61,7 @@
 import org.apache.hadoop.yarn.YarnException;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
@@ -135,7 +135,7 @@ private MRClientProtocol getProxy() throws YarnRemoteException {
       trackingUrl = application.getTrackingUrl();
     }
     String serviceAddr = null;
-    while (application == null || ApplicationState.RUNNING.equals(application.getState())) {
+    while (application == null || YarnApplicationState.RUNNING.equals(application.getYarnApplicationState())) {
       if (application == null) {
         LOG.info("Could not get Job info from RM for job " + jobId
             + ". Redirecting to job history server.");
@@ -146,7 +146,7 @@ private MRClientProtocol getProxy() throws YarnRemoteException {
           LOG.debug("AM not assigned to Job. Waiting to get the AM ...");
           Thread.sleep(2000);
 
-          LOG.debug("Application state is " + application.getState());
+          LOG.debug("Application state is " + application.getYarnApplicationState());
           application = rm.getApplicationReport(appId);
           continue;
         }
@@ -197,27 +197,28 @@ private MRClientProtocol getProxy() throws YarnRemoteException {
     if (user == null) {
       throw RPCUtil.getRemoteException("User is not set in the application report");
     }
-    if (application.getState() == ApplicationState.NEW ||
+    if (application.getYarnApplicationState() == YarnApplicationState.NEW ||
-        application.getState() == ApplicationState.SUBMITTED) {
+        application.getYarnApplicationState() == YarnApplicationState.SUBMITTED) {
       realProxy = null;
       return getNotRunningJob(application, JobState.NEW);
     }
 
-    if (application.getState() == ApplicationState.FAILED) {
+    if (application.getYarnApplicationState() == YarnApplicationState.FAILED) {
       realProxy = null;
       return getNotRunningJob(application, JobState.FAILED);
     }
 
-    if (application.getState() == ApplicationState.KILLED) {
+    if (application.getYarnApplicationState() == YarnApplicationState.KILLED) {
       realProxy = null;
       return getNotRunningJob(application, JobState.KILLED);
     }
 
     //History server can serve a job only if application
     //succeeded.
-    if (application.getState() == ApplicationState.SUCCEEDED) {
+    if (application.getYarnApplicationState() == YarnApplicationState.FINISHED) {
-      LOG.info("Application state is completed. " +
+      LOG.info("Application state is completed. FinalApplicationStatus="
-          "Redirecting to job history server");
+          + application.getFinalApplicationStatus().toString()
+          + ". Redirecting to job history server");
       realProxy = checkAndGetHSProxy(application, JobState.SUCCEEDED);
     }
     return realProxy;

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/NotRunningJob.java

@@ -22,8 +22,6 @@
 import java.util.HashMap;
 
 import org.apache.commons.lang.NotImplementedException;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.mapreduce.v2.api.MRClientProtocol;
 import org.apache.hadoop.mapreduce.v2.api.protocolrecords.FailTaskAttemptRequest;
 import org.apache.hadoop.mapreduce.v2.api.protocolrecords.FailTaskAttemptResponse;
@@ -55,15 +53,17 @@
 import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskReport;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskState;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
+import org.apache.hadoop.yarn.util.BuilderUtils;
 
 public class NotRunningJob implements MRClientProtocol {
 
-  private static final Log LOG = LogFactory.getLog(NotRunningJob.class);
-  
   private RecordFactory recordFactory =
     RecordFactoryProvider.getRecordFactory(null);
 
@@ -72,18 +72,12 @@ public class NotRunningJob implements MRClientProtocol {
 
 
   private ApplicationReport getUnknownApplicationReport() {
-    ApplicationReport unknown = 
+    ApplicationId unknownAppId = recordFactory.newRecordInstance(ApplicationId.class);
-        recordFactory.newRecordInstance(ApplicationReport.class);
+
-    unknown.setUser("N/A");
+    // Setting AppState to NEW and finalStatus to UNDEFINED as they are never used 
-    unknown.setHost("N/A");
+    // for a non running job
-    unknown.setName("N/A");
+    return BuilderUtils.newApplicationReport(unknownAppId, "N/A", "N/A", "N/A", "N/A", 0, "", 
-    unknown.setQueue("N/A");
+        YarnApplicationState.NEW, "N/A", "N/A", 0, 0, FinalApplicationStatus.UNDEFINED);    
-    unknown.setStartTime(0);
-    unknown.setFinishTime(0);
-    unknown.setTrackingUrl("N/A");
-    unknown.setDiagnostics("N/A");
-    LOG.info("getUnknownApplicationReport");
-    return unknown;
   }
 
   NotRunningJob(ApplicationReport applicationReport, JobState jobState) {

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/YARNRunner.java

@@ -62,7 +62,6 @@
 import org.apache.hadoop.yarn.api.ApplicationConstants.Environment;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
 import org.apache.hadoop.yarn.api.records.LocalResource;
@@ -70,6 +69,7 @@
 import org.apache.hadoop.yarn.api.records.LocalResourceVisibility;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.URL;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
@@ -241,8 +241,8 @@ public JobStatus submitJob(JobID jobId, String jobSubmitDir, Credentials ts)
     String diagnostics =
         (appMaster == null ?
             "application report is null" : appMaster.getDiagnostics());
-    if (appMaster == null || appMaster.getState() == ApplicationState.FAILED 
+    if (appMaster == null || appMaster.getYarnApplicationState() == YarnApplicationState.FAILED
-        || appMaster.getState() == ApplicationState.KILLED) {
+        || appMaster.getYarnApplicationState() == YarnApplicationState.KILLED) {
       throw new IOException("Failed to run job : " +
         diagnostics);
     }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestClientRedirect.java

@@ -88,7 +88,8 @@
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
@@ -256,12 +257,14 @@ public GetApplicationReportResponse getApplicationReport(
       ApplicationReport application = recordFactory
           .newRecordInstance(ApplicationReport.class);
       application.setApplicationId(applicationId);
+      application.setFinalApplicationStatus(FinalApplicationStatus.UNDEFINED);
       if (amRunning) {
-        application.setState(ApplicationState.RUNNING);
+        application.setYarnApplicationState(YarnApplicationState.RUNNING);
       } else if (amRestarting) {
-        application.setState(ApplicationState.SUBMITTED);
+        application.setYarnApplicationState(YarnApplicationState.SUBMITTED);
       } else {
-        application.setState(ApplicationState.SUCCEEDED);
+        application.setYarnApplicationState(YarnApplicationState.FINISHED);
+        application.setFinalApplicationStatus(FinalApplicationStatus.SUCCEEDED);
       }
       String[] split = AMHOSTADDRESS.split(":");
       application.setHost(split[0]);

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestClientServiceDelegate.java

@@ -32,8 +32,9 @@
 import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetJobReportResponse;
 import org.apache.hadoop.mapreduce.v2.api.records.JobReport;
 import org.apache.hadoop.mapreduce.v2.api.records.JobState;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.ipc.RPCUtil;
@@ -163,7 +164,7 @@ private GetJobReportResponse getJobReportResponse() {
   private ApplicationReport getApplicationReport() {
     ApplicationReport applicationReport = Records
         .newRecord(ApplicationReport.class);
-    applicationReport.setState(ApplicationState.SUCCEEDED);
+    applicationReport.setYarnApplicationState(YarnApplicationState.FINISHED);
     applicationReport.setUser("root");
     applicationReport.setHost("N/A");
     applicationReport.setName("N/A");
@@ -172,6 +173,7 @@ private ApplicationReport getApplicationReport() {
     applicationReport.setFinishTime(0);
     applicationReport.setTrackingUrl("N/A");
     applicationReport.setDiagnostics("N/A");
+    applicationReport.setFinalApplicationStatus(FinalApplicationStatus.SUCCEEDED);
     return applicationReport;
   }
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobsWithHistoryService.java

@@ -36,7 +36,6 @@
 import org.apache.hadoop.mapreduce.Job;
 import org.apache.hadoop.mapreduce.TypeConverter;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
 import org.junit.Before;
 import org.junit.After;

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestYARNRunner.java

@@ -64,10 +64,10 @@
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.api.records.QueueInfo;
 import org.apache.hadoop.yarn.api.records.YarnClusterMetrics;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
@@ -159,7 +159,7 @@ public void testJobSubmissionFailure() throws Exception {
     ApplicationReport report = mock(ApplicationReport.class);
     when(report.getApplicationId()).thenReturn(appId);
     when(report.getDiagnostics()).thenReturn(failString);
-    when(report.getState()).thenReturn(ApplicationState.FAILED);
+    when(report.getYarnApplicationState()).thenReturn(YarnApplicationState.FAILED);
     when(resourceMgrDelegate.getApplicationReport(appId)).thenReturn(report);
     Credentials credentials = new Credentials();
     File jobxml = new File(testWorkDir, "job.xml");

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/FinishApplicationMasterRequest.java

@@ -22,6 +22,7 @@
 import org.apache.hadoop.classification.InterfaceStability.Stable;
 import org.apache.hadoop.yarn.api.AMRMProtocol;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 
 /**
  * <p>The finalization request sent by the <code>ApplicationMaster</code> to
@@ -72,15 +73,15 @@ public interface FinishApplicationMasterRequest {
    */
   @Public
   @Stable
-  String getFinalState();
+  FinalApplicationStatus getFinalApplicationStatus();
 
   /**
-   * Set <em>final state</em> of the <code>ApplicationMaster</code>
+   * Set the <em>finish state</em> of the <code>ApplicationMaster</code>
-   * @param finalState <em>final state</em> of the <code>ApplicationMaster</code>
+   * @param finishState <em>finish state</em> of the <code>ApplicationMaster</code>
    */
   @Public
   @Stable
-  void setFinalState(String finalState);
+  void setFinishApplicationStatus(FinalApplicationStatus finishState);
 
   /**
    * Get <em>diagnostic information</em> on application failure.

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/FinishApplicationMasterRequestPBImpl.java

@@ -21,13 +21,14 @@
 
 import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ProtoBase;
 import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationAttemptIdProto;
+import org.apache.hadoop.yarn.proto.YarnProtos.FinalApplicationStatusProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.FinishApplicationMasterRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.FinishApplicationMasterRequestProtoOrBuilder;
-import org.apache.hadoop.yarn.proto.YarnServiceProtos.RegisterApplicationMasterRequestProtoOrBuilder;
+import org.apache.hadoop.yarn.util.ProtoUtils;
-
 
 
 public class FinishApplicationMasterRequestPBImpl extends ProtoBase<FinishApplicationMasterRequestProto> implements FinishApplicationMasterRequest {
@@ -75,7 +76,6 @@ private void maybeInitBuilder() {
     viaProto = false;
   }
 
-  
   @Override
   public ApplicationAttemptId getApplicationAttemptId() {
     FinishApplicationMasterRequestProtoOrBuilder p = viaProto ? proto : builder;
@@ -122,15 +122,22 @@ public void setTrackingUrl(String url) {
   }
 
   @Override
-  public String getFinalState() {
+  public FinalApplicationStatus getFinalApplicationStatus() {
     FinishApplicationMasterRequestProtoOrBuilder p = viaProto ? proto : builder;
-    return p.getFinalState();
+    if (!p.hasFinalApplicationStatus()) {
+      return null;
+    }	
+    return convertFromProtoFormat(p.getFinalApplicationStatus());
   }
 
   @Override
-  public void setFinalState(String state) {
+  public void setFinishApplicationStatus(FinalApplicationStatus finishState) {
     maybeInitBuilder();
-    builder.setFinalState(state);
+    if (finishState == null) {
+      builder.clearFinalApplicationStatus();
+      return;
+    }
+    builder.setFinalApplicationStatus(convertToProtoFormat(finishState));
   }
 
   private ApplicationAttemptIdPBImpl convertFromProtoFormat(ApplicationAttemptIdProto p) {
@@ -141,6 +148,13 @@ private ApplicationAttemptIdProto convertToProtoFormat(ApplicationAttemptId t) {
     return ((ApplicationAttemptIdPBImpl)t).getProto();
   }
 
+  private FinalApplicationStatus convertFromProtoFormat(FinalApplicationStatusProto s) {
+    return ProtoUtils.convertFromProtoFormat(s);
+  }
+
+  private FinalApplicationStatusProto convertToProtoFormat(FinalApplicationStatus s) {
+    return ProtoUtils.convertToProtoFormat(s);
+  }
 
 
 }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/RegisterApplicationMasterResponsePBImpl.java

@@ -23,13 +23,11 @@
 import org.apache.hadoop.yarn.api.records.ProtoBase;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.impl.pb.ResourcePBImpl;
-import org.apache.hadoop.yarn.proto.YarnProtos.QueueInfoProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ResourceProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.RegisterApplicationMasterResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.RegisterApplicationMasterResponseProtoOrBuilder;
 
 
-    
 public class RegisterApplicationMasterResponsePBImpl
 extends ProtoBase<RegisterApplicationMasterResponseProto>
 implements RegisterApplicationMasterResponse {

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationMaster.java

@@ -42,8 +42,8 @@ public interface ApplicationMaster {
   ApplicationStatus getStatus();
   void setStatus(ApplicationStatus status);
 
-  ApplicationState getState();
+  YarnApplicationState getState();
-  void setState(ApplicationState state);
+  void setState(YarnApplicationState state);
 
   String getClientToken();
   void setClientToken(String clientToken);

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationReport.java

@@ -36,7 +36,7 @@
  *     <li>Host on which the <code>ApplicationMaster</code>is running.</li>
  *     <li>RPC port of the <code>ApplicationMaster</code>.</li>
  *     <li>Tracking URL.</li>
- *     <li>{@link ApplicationState} of the application.</li>
+ *     <li>{@link YarnApplicationState} of the application.</li>
  *     <li>Diagnostic information in case of errors.</li>
  *     <li>Start time of the application.</li>
  *     <li>Client token of the application (if security is enabled).</li>
@@ -138,16 +138,16 @@ public interface ApplicationReport {
   void setClientToken(String clientToken);
 
   /**
-   * Get the <code>ApplicationState</code> of the application.
+   * Get the <code>YarnApplicationState</code> of the application.
-   * @return <code>ApplicationState</code> of the application
+   * @return <code>YarnApplicationState</code> of the application
    */
   @Public
   @Stable
-  ApplicationState getState();
+  YarnApplicationState getYarnApplicationState();
 
   @Private
   @Unstable
-  void setState(ApplicationState state);
+  void setYarnApplicationState(YarnApplicationState state);
 
   /**
    * Get  the <em>diagnositic information</em> of the application in case of
@@ -198,4 +198,17 @@ public interface ApplicationReport {
   @Private
   @Unstable
   void setFinishTime(long finishTime);
+
+
+  /**
+   * Get the <em>final finish status</em> of the application.
+   */
+  @Public
+  @Stable
+  FinalApplicationStatus getFinalApplicationStatus();
+
+  @Private
+  @Unstable
+  void setFinalApplicationStatus(FinalApplicationStatus finishState);
+
 }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/FinalApplicationStatus.java

@@ -0,0 +1,42 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.api.records;
+
+import org.apache.hadoop.classification.InterfaceAudience.Public;
+import org.apache.hadoop.classification.InterfaceStability.Stable;
+
+/**
+ * Enumeration of various final states of an <code>Application</code>.
+ */
+@Public
+@Stable
+public enum FinalApplicationStatus {
+
+  /** Undefined state when either the application has not yet finished */
+  UNDEFINED,
+
+  /** Application which finished successfully. */
+  SUCCEEDED,
+
+  /** Application which failed. */
+  FAILED,
+
+  /** Application which was terminated by a user or admin. */
+  KILLED
+}

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/YarnApplicationState.java

@@ -22,11 +22,11 @@
 import org.apache.hadoop.classification.InterfaceStability.Stable;
 
 /**
- * Ennumeration of various states of an <code>Application</code>.
+ * Ennumeration of various states of an <code>ApplicationMaster</code>.
  */
 @Public
 @Stable
-public enum ApplicationState {
+public enum YarnApplicationState {
   /** Application which was just created. */
   NEW,
 
@@ -36,8 +36,8 @@ public enum ApplicationState {
   /** Application which is currently running. */
   RUNNING,
 
-  /** Application which completed successfully. */
+  /** Application which finished successfully. */
-  SUCCEEDED, 
+  FINISHED,
 
   /** Application which failed. */
   FAILED,

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ApplicationMasterPBImpl.java

@@ -19,22 +19,19 @@
 package org.apache.hadoop.yarn.api.records.impl.pb;
 
 
-import java.util.List;
-
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationMaster;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ProtoBase;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationIdProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationMasterProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationMasterProtoOrBuilder;
-import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationStateProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationStatusProto;
+import org.apache.hadoop.yarn.proto.YarnProtos.YarnApplicationStateProto;
 import org.apache.hadoop.yarn.util.ProtoUtils;
 
 
-    
 public class ApplicationMasterPBImpl extends ProtoBase<ApplicationMasterProto> implements ApplicationMaster {
   ApplicationMasterProto proto = ApplicationMasterProto.getDefaultInstance();
   ApplicationMasterProto.Builder builder = null;
@@ -89,7 +86,7 @@ private void maybeInitBuilder() {
 
 
   @Override
-  public ApplicationState getState() {
+  public YarnApplicationState getState() {
     ApplicationMasterProtoOrBuilder p = viaProto ? proto : builder;
     if (!p.hasState()) {
       return null;
@@ -98,7 +95,7 @@ public ApplicationState getState() {
   }
 
   @Override
-  public void setState(ApplicationState state) {
+  public void setState(YarnApplicationState state) {
     maybeInitBuilder();
     if (state == null) {
       builder.clearState();
@@ -250,11 +247,11 @@ public void setDiagnostics(String diagnostics) {
     builder.setDiagnostics(diagnostics);
   }
 
-  private ApplicationStateProto convertToProtoFormat(ApplicationState e) {
+  private YarnApplicationStateProto convertToProtoFormat(YarnApplicationState e) {
     return ProtoUtils.convertToProtoFormat(e);
   }
 
-  private ApplicationState convertFromProtoFormat(ApplicationStateProto e) {
+  private YarnApplicationState convertFromProtoFormat(YarnApplicationStateProto e) {
     return ProtoUtils.convertFromProtoFormat(e);
   }
 

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ApplicationReportPBImpl.java

@@ -18,14 +18,16 @@
 
 package org.apache.hadoop.yarn.api.records.impl.pb;
 
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.ProtoBase;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationIdProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationReportProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationReportProtoOrBuilder;
-import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationStateProto;
+import org.apache.hadoop.yarn.proto.YarnProtos.FinalApplicationStatusProto;
+import org.apache.hadoop.yarn.proto.YarnProtos.YarnApplicationStateProto;
 import org.apache.hadoop.yarn.util.ProtoUtils;
 
 public class ApplicationReportPBImpl extends ProtoBase<ApplicationReportProto>
@@ -87,12 +89,12 @@ public String getQueue() {
   }
 
   @Override
-  public ApplicationState getState() {
+  public YarnApplicationState getYarnApplicationState() {
     ApplicationReportProtoOrBuilder p = viaProto ? proto : builder;
-    if (!p.hasState()) {
+    if (!p.hasYarnApplicationState()) {
       return null;
     }
-    return convertFromProtoFormat(p.getState());
+    return convertFromProtoFormat(p.getYarnApplicationState());
   }
 
   @Override
@@ -138,6 +140,27 @@ public String getDiagnostics() {
     return p.getDiagnostics();
   }
 
+  @Override
+  public long getStartTime() {
+    ApplicationReportProtoOrBuilder p = viaProto ? proto : builder;
+    return p.getStartTime();
+  }
+
+  @Override
+  public long getFinishTime() {
+    ApplicationReportProtoOrBuilder p = viaProto ? proto : builder;
+    return p.getFinishTime();
+  }
+
+  @Override
+  public FinalApplicationStatus getFinalApplicationStatus() {
+    ApplicationReportProtoOrBuilder p = viaProto ? proto : builder;
+    if (!p.hasFinalApplicationStatus()) {
+      return null;
+    }	
+    return convertFromProtoFormat(p.getFinalApplicationStatus());
+  }
+
   @Override
   public void setApplicationId(ApplicationId applicationId) {
     maybeInitBuilder();
@@ -177,13 +200,13 @@ public void setQueue(String queue) {
   }
 
   @Override
-  public void setState(ApplicationState state) {
+  public void setYarnApplicationState(YarnApplicationState state) {
     maybeInitBuilder();
     if (state == null) {
-      builder.clearState();
+      builder.clearYarnApplicationState();
       return;
     }
-    builder.setState(convertToProtoFormat(state));
+    builder.setYarnApplicationState(convertToProtoFormat(state));
   }
 
   @Override
@@ -232,38 +255,36 @@ public void setDiagnostics(String diagnostics) {
     builder.setDiagnostics(diagnostics);
   }
 
-  @Override
-  public ApplicationReportProto getProto() {
-    mergeLocalToProto();
-    proto = viaProto ? proto : builder.build();
-    viaProto = true;
-    return proto;
-  }
-
-  @Override
-  public long getStartTime() {
-    ApplicationReportProtoOrBuilder p = viaProto ? proto : builder;
-    return p.getStartTime();
-  }
-
   @Override
   public void setStartTime(long startTime) {
     maybeInitBuilder();
     builder.setStartTime(startTime);
   }
 
-  @Override
-  public long getFinishTime() {
-    ApplicationReportProtoOrBuilder p = viaProto ? proto : builder;
-    return p.getFinishTime();
-  }
-
   @Override
   public void setFinishTime(long finishTime) {
     maybeInitBuilder();
     builder.setFinishTime(finishTime);
   }
 
+  @Override
+  public void setFinalApplicationStatus(FinalApplicationStatus finishState) {
+    maybeInitBuilder();
+    if (finishState == null) {
+      builder.clearFinalApplicationStatus();
+      return;
+    }
+    builder.setFinalApplicationStatus(convertToProtoFormat(finishState));
+  }
+
+  @Override
+  public ApplicationReportProto getProto() {
+    mergeLocalToProto();
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+
   private void mergeLocalToBuilder() {
     if (this.applicationId != null
         && !((ApplicationIdPBImpl) this.applicationId).getProto().equals(
@@ -291,16 +312,25 @@ private ApplicationIdProto convertToProtoFormat(ApplicationId t) {
     return ((ApplicationIdPBImpl) t).getProto();
   }
 
-  private ApplicationState convertFromProtoFormat(ApplicationStateProto s) {
-    return ProtoUtils.convertFromProtoFormat(s);
-  }
-
-  private ApplicationStateProto convertToProtoFormat(ApplicationState s) {
-    return ProtoUtils.convertToProtoFormat(s);
-  }
-
   private ApplicationIdPBImpl convertFromProtoFormat(
       ApplicationIdProto applicationId) {
     return new ApplicationIdPBImpl(applicationId);
   }
+
+  private YarnApplicationState convertFromProtoFormat(YarnApplicationStateProto s) {
+    return ProtoUtils.convertFromProtoFormat(s);
+  }
+
+  private YarnApplicationStateProto convertToProtoFormat(YarnApplicationState s) {
+    return ProtoUtils.convertToProtoFormat(s);
+  }
+
+  private FinalApplicationStatus convertFromProtoFormat(FinalApplicationStatusProto s) {
+    return ProtoUtils.convertFromProtoFormat(s);
+  }
+
+  private FinalApplicationStatusProto convertToProtoFormat(FinalApplicationStatus s) {
+    return ProtoUtils.convertToProtoFormat(s);
+  }
+
 }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/util/ProtoUtils.java

@@ -20,18 +20,20 @@
 
 import java.nio.ByteBuffer;
 
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ContainerState;
 import org.apache.hadoop.yarn.api.records.LocalResourceType;
 import org.apache.hadoop.yarn.api.records.LocalResourceVisibility;
 import org.apache.hadoop.yarn.api.records.QueueACL;
 import org.apache.hadoop.yarn.api.records.QueueState;
-import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationStateProto;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.proto.YarnProtos.ContainerStateProto;
+import org.apache.hadoop.yarn.proto.YarnProtos.FinalApplicationStatusProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.LocalResourceTypeProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.LocalResourceVisibilityProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.QueueACLProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.QueueStateProto;
+import org.apache.hadoop.yarn.proto.YarnProtos.YarnApplicationStateProto;
 
 import com.google.protobuf.ByteString;
 
@@ -51,13 +53,24 @@ public static ContainerState convertFromProtoFormat(ContainerStateProto e) {
 
 
   /*
-   * ApplicationState
+   * YarnApplicationState
    */
-  public static ApplicationStateProto convertToProtoFormat(ApplicationState e) {
+  public static YarnApplicationStateProto convertToProtoFormat(YarnApplicationState e) {
-    return ApplicationStateProto.valueOf(e.name());
+    return YarnApplicationStateProto.valueOf(e.name());
   }
-  public static ApplicationState convertFromProtoFormat(ApplicationStateProto e) {
+  public static YarnApplicationState convertFromProtoFormat(YarnApplicationStateProto e) {
-    return ApplicationState.valueOf(e.name());
+    return YarnApplicationState.valueOf(e.name());
+  }
+
+  /*
+   * FinalApplicationStatus
+   */
+  private static String FINAL_APPLICATION_STATUS_PREFIX = "APP_";
+  public static FinalApplicationStatusProto convertToProtoFormat(FinalApplicationStatus e) {
+    return FinalApplicationStatusProto.valueOf(FINAL_APPLICATION_STATUS_PREFIX + e.name());
+  }
+  public static FinalApplicationStatus convertFromProtoFormat(FinalApplicationStatusProto e) {
+    return FinalApplicationStatus.valueOf(e.name().replace(FINAL_APPLICATION_STATUS_PREFIX, ""));
   }
 
   /*

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_protos.proto

@@ -76,14 +76,20 @@ message ContainerProto {
   optional ContainerStatusProto container_status = 8;
 }
 
-enum ApplicationStateProto {
+enum YarnApplicationStateProto {
   NEW = 1;
   SUBMITTED = 2;
   RUNNING = 3;
-  RESTARTING = 4;
+  FINISHED = 4;
-  SUCCEEDED = 5;
+  FAILED = 5;
-  FAILED = 6;
+  KILLED = 6;
-  KILLED = 7; 
+}
+
+enum FinalApplicationStatusProto {
+  APP_UNDEFINED = 0;
+  APP_SUCCEEDED = 1;
+  APP_FAILED = 2;
+  APP_KILLED = 3;
 }
 
 message ApplicationStatusProto {
@@ -98,7 +104,7 @@ message ApplicationMasterProto {
   optional int32 rpc_port = 3;
   optional string trackingUrl = 4;
   optional ApplicationStatusProto status = 5;
-  optional ApplicationStateProto state = 6;
+  optional YarnApplicationStateProto state = 6;
   optional string client_token = 7;
   optional int32 containerCount = 8;
   optional int32 amFailCount = 9;
@@ -140,12 +146,13 @@ message ApplicationReportProto {
   optional int32 rpc_port = 6;
   optional string client_token = 7;
   optional ApplicationStatusProto status = 8;
-  optional ApplicationStateProto state = 9;
+  optional YarnApplicationStateProto yarn_application_state = 9;
   optional ContainerProto masterContainer = 10;
   optional string trackingUrl = 11;
   optional string diagnostics = 12 [default = "N/A"];
   optional int64 startTime = 13;
   optional int64 finishTime = 14;
+  optional FinalApplicationStatusProto final_application_status = 15;
 }
 
 message NodeIdProto {

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_service_protos.proto

@@ -42,7 +42,7 @@ message FinishApplicationMasterRequestProto {
   optional ApplicationAttemptIdProto application_attempt_id = 1;
   optional string diagnostics = 2;
   optional string tracking_url = 3;
-  optional string final_state = 4;
+  optional FinalApplicationStatusProto final_application_status = 4;
 }
 
 message FinishApplicationMasterResponseProto {

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/BuilderUtils.java

@@ -24,9 +24,10 @@
 
 import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerState;
@@ -242,8 +243,9 @@ public static ResourceRequest newResourceRequest(ResourceRequest r) {
 
   public static ApplicationReport newApplicationReport(
       ApplicationId applicationId, String user, String queue, String name,
-      String host, int rpcPort, String clientToken, ApplicationState state,
+      String host, int rpcPort, String clientToken, YarnApplicationState state,
-      String diagnostics, String url, long startTime, long finishTime) {
+      String diagnostics, String url, long startTime, long finishTime,
+      FinalApplicationStatus finalStatus) {
     ApplicationReport report = recordFactory
         .newRecordInstance(ApplicationReport.class);
     report.setApplicationId(applicationId);
@@ -253,11 +255,12 @@ public static ApplicationReport newApplicationReport(
     report.setHost(host);
     report.setRpcPort(rpcPort);
     report.setClientToken(clientToken);
-    report.setState(state);
+    report.setYarnApplicationState(state);
     report.setDiagnostics(diagnostics);
     report.setTrackingUrl(url);
     report.setStartTime(startTime);
     report.setFinishTime(finishTime);
+    report.setFinalApplicationStatus(finalStatus);
     return report;
   }
 

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ConverterUtils.java

@@ -33,7 +33,9 @@
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.URL;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
 
@@ -181,4 +183,5 @@ public static ApplicationAttemptId toApplicationAttemptId(
           + applicationAttmeptIdStr, n);
     }
   }
+  
 }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/MockApps.java

@@ -24,7 +24,8 @@
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.util.Records;
 
 import com.google.common.collect.Iterators;
@@ -39,8 +40,8 @@ public class MockApps {
       "I18nApp<☯>");
   static final Iterator<String> USERS = Iterators.cycle("dorothy", "tinman",
       "scarecrow", "glinda", "nikko", "toto", "winkie", "zeke", "gulch");
-  static final Iterator<ApplicationState> STATES = Iterators.cycle(
+  static final Iterator<YarnApplicationState> STATES = Iterators.cycle(
-      ApplicationState.values());
+      YarnApplicationState.values());
   static final Iterator<String> QUEUES = Iterators.cycle("a.a1", "a.a2",
       "b.b1", "b.b2", "b.b3", "c.c1.c11", "c.c1.c12", "c.c1.c13",
       "c.c2", "c.c3", "c.c4");
@@ -74,18 +75,19 @@ public static List<ApplicationReport> genApps(int n) {
 
   public static ApplicationReport newApp(int i) {
     final ApplicationId id = newAppID(i);
-    final ApplicationState state = newAppState();
+    final YarnApplicationState state = newAppState();
     final String user = newUserName();
     final String name = newAppName();
     final String queue = newQueue();
+    final FinalApplicationStatus finishState = FinalApplicationStatus.UNDEFINED;
     return new ApplicationReport() {
       @Override public ApplicationId getApplicationId() { return id; }
       @Override public String getUser() { return user; }
       @Override public String getName() { return name; }
-      @Override public ApplicationState getState() { return state; }
+      @Override public YarnApplicationState getYarnApplicationState() { return state; }
       @Override public String getQueue() { return queue; }
       @Override public String getTrackingUrl() { return ""; }
-      @Override
+      @Override public FinalApplicationStatus getFinalApplicationStatus() { return finishState; }
       public void setApplicationId(ApplicationId applicationId) {
         // TODO Auto-generated method stub
 
@@ -106,7 +108,7 @@ public void setQueue(String queue) {
 
       }
       @Override
-      public void setState(ApplicationState state) {
+      public void setYarnApplicationState(YarnApplicationState state) {
         // TODO Auto-generated method stub
 
       }
@@ -155,7 +157,6 @@ public void setClientToken(String clientToken) {
         // TODO Auto-generated method stub
 
       }
-      
       @Override
       public long getStartTime() {
         // TODO Auto-generated method stub
@@ -177,6 +178,10 @@ public void setFinishTime(long finishTime) {
         // TODO Auto-generated method stub
 
       }
+      @Override
+      public void setFinalApplicationStatus(FinalApplicationStatus finishState) {
+		// TODO Auto-generated method stub
+      }
     };
   }
 
@@ -194,9 +199,10 @@ public static ApplicationAttemptId newAppAttemptID(ApplicationId appId, int i) {
     return id;
   }
 
-  public static ApplicationState newAppState() {
+  public static YarnApplicationState newAppState() {
     synchronized(STATES) {
       return STATES.next();
     }
   }
+
 }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java

@@ -176,7 +176,7 @@ public FinishApplicationMasterResponse finishApplicationMaster(
 
       rmContext.getDispatcher().getEventHandler().handle(
           new RMAppAttemptUnregistrationEvent(applicationAttemptId, request
-              .getTrackingUrl(), request.getFinalState(), request
+              .getTrackingUrl(), request.getFinalApplicationStatus(), request
               .getDiagnostics()));
 
       FinishApplicationMasterResponse response = recordFactory

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMApp.java

@@ -20,6 +20,7 @@
 
 import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
@@ -127,10 +128,10 @@ public interface RMApp extends EventHandler<RMAppEvent> {
   StringBuilder getDiagnostics();
 
   /**
-   * The final state of the AM when unregistering as in 
+   * The final finish state of the AM when unregistering as in
-   * {@link FinishApplicationMasterRequest#setFinalState(String)}.
+   * {@link FinishApplicationMasterRequest#setFinishApplicationStatus(FinalApplicationStatus)}.
-   * @return the final state of the AM as set in 
+   * @return the final finish state of the AM as set in
-   * {@link FinishApplicationMasterRequest#setFinalState(String)}.
+   * {@link FinishApplicationMasterRequest#setFinishApplicationStatus(FinalApplicationStatus)}.
    */
-  String getAMFinalState();
+  FinalApplicationStatus getFinalApplicationStatus();
 }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java

@@ -32,9 +32,10 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.yarn.YarnException;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
@@ -194,13 +195,18 @@ public ApplicationId getApplicationId() {
   }
 
   @Override
-  public String getAMFinalState() {
+  public FinalApplicationStatus getFinalApplicationStatus() {
     this.readLock.lock();
     try {
-      if (currentAttempt != null) {
+      // finish state is obtained based on the state machine's current state 
-        return currentAttempt.getAMFinalState();
+      // as a fall-back in case the application has not been unregistered 
+      // ( or if the app never unregistered itself )
+      // when the report is requested
+      if (currentAttempt != null 
+          && currentAttempt.getFinalApplicationStatus() != null) {
+        return currentAttempt.getFinalApplicationStatus();   
       }
-      return "UNKNOWN";
+      return createFinalApplicationStatus(this.stateMachine.getCurrentState());
     } finally {
       this.readLock.unlock();
     }
@@ -273,25 +279,43 @@ public ApplicationStore getApplicationStore() {
     return this.appStore;
   }
 
-  private ApplicationState createApplicationState(RMAppState rmAppState) {
+  private YarnApplicationState createApplicationState(RMAppState rmAppState) {
     switch(rmAppState) {
     case NEW:
-      return ApplicationState.NEW;
+      return YarnApplicationState.NEW;
     case SUBMITTED:
     case ACCEPTED:
-      return ApplicationState.SUBMITTED;
+      return YarnApplicationState.SUBMITTED;
     case RUNNING:
-      return ApplicationState.RUNNING;
+      return YarnApplicationState.RUNNING;
     case FINISHED:
-      return ApplicationState.SUCCEEDED;
+      return YarnApplicationState.FINISHED;
     case KILLED:
-      return ApplicationState.KILLED;
+      return YarnApplicationState.KILLED;
     case FAILED:
-      return ApplicationState.FAILED;
+      return YarnApplicationState.FAILED;
     }
     throw new YarnException("Unknown state passed!");
   }
 
+  private FinalApplicationStatus createFinalApplicationStatus(RMAppState state) {
+    switch(state) {
+    case NEW:
+    case SUBMITTED:
+    case ACCEPTED:
+    case RUNNING:
+      return FinalApplicationStatus.UNDEFINED;    
+    // finished without a proper final state is the same as failed  
+    case FINISHED:
+    case FAILED:
+      return FinalApplicationStatus.FAILED;
+    case KILLED:
+      return FinalApplicationStatus.KILLED;
+    }
+    throw new YarnException("Unknown state passed!");
+  }
+
+  
   @Override
   public ApplicationReport createAndGetApplicationReport() {
     this.readLock.lock();
@@ -301,6 +325,7 @@ public ApplicationReport createAndGetApplicationReport() {
       String trackingUrl = "N/A";
       String host = "N/A";
       int rpcPort = -1;
+      FinalApplicationStatus finishState = getFinalApplicationStatus();
       if (this.currentAttempt != null) {
         trackingUrl = this.currentAttempt.getTrackingUrl();
         clientToken = this.currentAttempt.getClientToken();
@@ -311,7 +336,7 @@ public ApplicationReport createAndGetApplicationReport() {
           this.queue, this.name, host, rpcPort, clientToken,
           createApplicationState(this.stateMachine.getCurrentState()),
           this.diagnostics.toString(), trackingUrl,
-          this.startTime, this.finishTime);
+          this.startTime, this.finishTime, finishState);
     } finally {
       this.readLock.unlock();
     }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttempt.java

@@ -22,6 +22,7 @@
 import java.util.Set;
 
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerStatus;
@@ -88,10 +89,11 @@ public interface RMAppAttempt extends EventHandler<RMAppAttemptEvent> {
   float getProgress();
 
   /**
-   * The final state set by the AM.
+   * The final status set by the AM.
-   * @return the final state that is set by the AM when unregistering itself.
+   * @return the final status that is set by the AM when unregistering itself. Can return a null 
+   * if the AM has not unregistered itself. 
    */
-  String getAMFinalState();
+  FinalApplicationStatus getFinalApplicationStatus();
 
   /**
    * Nodes on which the containers for this {@link RMAppAttempt} ran.

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java

@@ -31,6 +31,7 @@
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.api.records.Container;
@@ -109,7 +110,9 @@ public class RMAppAttemptImpl implements RMAppAttempt {
   private String host = "N/A";
   private int rpcPort;
   private String trackingUrl = "N/A";
-  private String finalState = "N/A";
+  // Set to null initially. Will eventually get set 
+  // if an RMAppAttemptUnregistrationEvent occurs
+  private FinalApplicationStatus finalStatus = null;
   private final StringBuilder diagnostics = new StringBuilder();
 
   private static final StateMachineFactory<RMAppAttemptImpl,
@@ -268,10 +271,10 @@ public ApplicationSubmissionContext getSubmissionContext() {
   }
 
   @Override
-  public String getAMFinalState() {
+  public FinalApplicationStatus getFinalApplicationStatus() {
     this.readLock.lock();
     try {
-      return this.finalState;
+      return this.finalStatus;
     } finally {
       this.readLock.unlock();
     }
@@ -730,10 +733,9 @@ public void transition(RMAppAttemptImpl appAttempt,
 
       RMAppAttemptUnregistrationEvent unregisterEvent
         = (RMAppAttemptUnregistrationEvent) event;
-      unregisterEvent.getFinalState();
       appAttempt.diagnostics.append(unregisterEvent.getDiagnostics());
       appAttempt.trackingUrl = unregisterEvent.getTrackingUrl();
-      appAttempt.finalState = unregisterEvent.getFinalState();
+      appAttempt.finalStatus = unregisterEvent.getFinalApplicationStatus();
 
       // Tell the app and the scheduler
       super.transition(appAttempt, event);

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/event/RMAppAttemptUnregistrationEvent.java

@@ -19,20 +19,21 @@
 package org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event;
 
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEventType;
 
 public class RMAppAttemptUnregistrationEvent extends RMAppAttemptEvent {
 
   private final String trackingUrl;
-  private final String finalState;
+  private final FinalApplicationStatus finalStatus;
   private final String diagnostics;
 
   public RMAppAttemptUnregistrationEvent(ApplicationAttemptId appAttemptId,
-      String trackingUrl, String finalState, String diagnostics) {
+      String trackingUrl, FinalApplicationStatus finalStatus, String diagnostics) {
     super(appAttemptId, RMAppAttemptEventType.UNREGISTERED);
     this.trackingUrl = trackingUrl;
-    this.finalState = finalState;
+    this.finalStatus = finalStatus;
     this.diagnostics = diagnostics;
   }
 
@@ -40,8 +41,8 @@ public String getTrackingUrl() {
     return this.trackingUrl;
   }
 
-  public String getFinalState() {
+  public FinalApplicationStatus getFinalApplicationStatus() {
-    return this.finalState;
+    return this.finalStatus;
   }
 
   public String getDiagnostics() {

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/AppsBlock.java

@@ -50,6 +50,7 @@ class AppsBlock extends HtmlBlock {
             th(".name", "Name").
             th(".queue", "Queue").
             th(".state", "State").
+            th(".finalstatus", "FinalStatus").
             th(".progress", "Progress").
             th(".ui", "Tracking UI").
             th(".note", "Note")._()._().
@@ -70,8 +71,8 @@ class AppsBlock extends HtmlBlock {
           td(app.getUser().toString()).
           td(app.getName().toString()).
           td(app.getQueue().toString()).
-          td(app.getState() == RMAppState.FINISHED ? app.getAMFinalState() : 
+          td(app.getState().toString()).
-            app.getState().toString()).
+          td(app.getFinalApplicationStatus().toString()).
           td().
             br().$title(percent)._(). // for sorting
             div(_PROGRESSBAR).

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RmController.java

@@ -89,9 +89,8 @@ public void app() {
     ResponseInfo info = info("Application Overview").
       _("User:", app.getUser()).
       _("Name:", app.getName()).
-      _("State:", (app.getState() == RMAppState.FINISHED ?
+      _("State:", app.getState().toString()).
-        app.getAMFinalState() : app.getState().toString())
+      _("FinalStatus:", app.getFinalApplicationStatus().toString()).
-      ).
       _("Started:", Times.format(app.getStartTime())).
       _("Elapsed:", StringUtils.formatTime(
         Times.elapsed(app.getStartTime(), app.getFinishTime()))).

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/MockAM.java

@@ -30,7 +30,7 @@
 import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.records.AMResponse;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
-import org.apache.hadoop.yarn.api.records.Container;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.Priority;
 import org.apache.hadoop.yarn.api.records.Resource;
@@ -100,7 +100,7 @@ public AMResponse schedule() throws Exception {
   public AMResponse allocate(
       String host, int memory, int numContainers,
       List<ContainerId> releases) throws Exception {
-    List reqs = createReq(new String[]{host}, memory, 1, numContainers);
+    List<ResourceRequest> reqs = createReq(new String[]{host}, memory, 1, numContainers);
     return allocate(reqs, releases);
   }
 
@@ -151,7 +151,7 @@ public void unregisterAppAttempt() throws Exception {
     FinishApplicationMasterRequest req = Records.newRecord(FinishApplicationMasterRequest.class);
     req.setAppAttemptId(attemptId);
     req.setDiagnostics("");
-    req.setFinalState("");
+    req.setFinishApplicationStatus(FinalApplicationStatus.SUCCEEDED);
     req.setTrackingUrl("");
     amRMProtocol.finishApplicationMaster(req);
   }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/MockAsm.java

@@ -22,10 +22,11 @@
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.yarn.MockApps;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationMaster;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationStatus;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
@@ -69,7 +70,7 @@ public ApplicationStatus getStatus() {
     }
 
     @Override
-    public ApplicationState getState() {
+    public YarnApplicationState getState() {
       throw new UnsupportedOperationException("Not supported yet.");
     }
 
@@ -119,7 +120,7 @@ public void setStatus(ApplicationStatus status) {
     }
 
     @Override
-    public void setState(ApplicationState state) {
+    public void setState(YarnApplicationState state) {
       throw new UnsupportedOperationException("Not supported yet.");
     }
 
@@ -211,7 +212,7 @@ public void handle(RMAppEvent event) {
     }
 
     @Override
-    public String getAMFinalState() {
+    public FinalApplicationStatus getFinalApplicationStatus() {
       throw new UnsupportedOperationException("Not supported yet.");
     }
   }
@@ -274,6 +275,11 @@ public StringBuilder getDiagnostics() {
       public float getProgress() {
         return (float)Math.random();
       }
+      @Override
+      public FinalApplicationStatus getFinalApplicationStatus() {
+        return FinalApplicationStatus.UNDEFINED;
+      }
+      
     };
   }
 

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMLaunchFailure.java

@@ -32,7 +32,7 @@
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationMaster;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.Priority;

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java

@@ -33,7 +33,7 @@
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationMaster;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestASMStateMachine.java

@@ -26,7 +26,7 @@
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.event.EventHandler;

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestApplicationMasterExpiry.java

@@ -26,7 +26,7 @@
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.event.EventHandler;

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestSchedulerNegotiator.java

@@ -28,7 +28,7 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationMaster;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/MockRMApp.java

@@ -19,6 +19,7 @@
 package org.apache.hadoop.yarn.server.resourcemanager.rmapp;
 
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
 import org.apache.hadoop.yarn.MockApps;
@@ -167,8 +168,8 @@ public void handle(RMAppEvent event) {
   }
 
   @Override
-  public String getAMFinalState() {
+  public FinalApplicationStatus getFinalApplicationStatus() {
-    return "UNKNOWN";
+    return FinalApplicationStatus.UNDEFINED;
   };
 
 }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java

@@ -31,6 +31,7 @@
 import org.apache.hadoop.yarn.MockApps;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.event.AsyncDispatcher;
 import org.apache.hadoop.yarn.event.EventHandler;
@@ -192,10 +193,15 @@ private static void assertStartTimeSet(RMApp application) {
   }
 
   private static void assertAppState(RMAppState state, RMApp application) {
-    Assert.assertEquals("application state should have been" + state, 
+    Assert.assertEquals("application state should have been " + state, 
         state, application.getState());
   }
 
+  private static void assertFinalAppStatus(FinalApplicationStatus status, RMApp application) {
+    Assert.assertEquals("Final application status should have been " + status, 
+        status, application.getFinalApplicationStatus());
+  }
+  
   // test to make sure times are set when app finishes
   private static void assertTimesAtFinish(RMApp application) {
     assertStartTimeSet(application);
@@ -208,6 +214,7 @@ private static void assertTimesAtFinish(RMApp application) {
   private static void assertKilled(RMApp application) {
     assertTimesAtFinish(application);
     assertAppState(RMAppState.KILLED, application);
+    assertFinalAppStatus(FinalApplicationStatus.KILLED, application);
     StringBuilder diag = application.getDiagnostics();
     Assert.assertEquals("application diagnostics is not correct",
         "Application killed by user.", diag.toString());
@@ -224,6 +231,7 @@ private static void assertAppAndAttemptKilled(RMApp application) {
   private static void assertFailed(RMApp application, String regex) {
     assertTimesAtFinish(application);
     assertAppState(RMAppState.FAILED, application);
+    assertFinalAppStatus(FinalApplicationStatus.FAILED, application);
     StringBuilder diag = application.getDiagnostics();
     Assert.assertTrue("application diagnostics is not correct",
         diag.toString().matches(regex));
@@ -261,6 +269,7 @@ protected RMApp testCreateAppRunning() throws IOException {
     application.handle(event);
     assertStartTimeSet(application);
     assertAppState(RMAppState.RUNNING, application);
+    assertFinalAppStatus(FinalApplicationStatus.UNDEFINED, application);
     return application;
   }
 
@@ -273,6 +282,8 @@ protected RMApp testCreateAppFinished() throws IOException {
     application.handle(event);
     assertAppState(RMAppState.FINISHED, application);
     assertTimesAtFinish(application);
+    // finished without a proper unregister implies failed
+    assertFinalAppStatus(FinalApplicationStatus.FAILED, application);
     return application;
   }
 

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/TestRMAppAttemptTransitions.java

@@ -34,6 +34,7 @@
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.event.AsyncDispatcher;
 import org.apache.hadoop.yarn.event.EventHandler;
@@ -52,7 +53,9 @@
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppRejectedEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptContainerAllocatedEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptLaunchFailedEvent;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptRegistrationEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptRejectedEvent;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptUnregistrationEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.ContainerAllocationExpirer;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Allocation;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.YarnScheduler;
@@ -199,6 +202,7 @@ private void testAppAttemptNewState() {
     assertNull(applicationAttempt.getMasterContainer());
     assertEquals(0.0, (double)applicationAttempt.getProgress(), 0.0001);
     assertEquals(0, applicationAttempt.getRanNodes().size());
+    assertNull(applicationAttempt.getFinalApplicationStatus());
   }
 
   /**
@@ -212,6 +216,7 @@ private void testAppAttemptSubmittedState() {
     assertNull(applicationAttempt.getMasterContainer());
     assertEquals(0.0, (double)applicationAttempt.getProgress(), 0.0001);
     assertEquals(0, applicationAttempt.getRanNodes().size());
+    assertNull(applicationAttempt.getFinalApplicationStatus());
     
     // Check events
     verify(masterService).
@@ -230,6 +235,7 @@ private void testAppAttemptSubmittedToFailedState(String diagnostics) {
     assertNull(applicationAttempt.getMasterContainer());
     assertEquals(0.0, (double)applicationAttempt.getProgress(), 0.0001);
     assertEquals(0, applicationAttempt.getRanNodes().size());
+    assertNull(applicationAttempt.getFinalApplicationStatus());
     
     // Check events
     verify(application).handle(any(RMAppRejectedEvent.class));
@@ -247,6 +253,7 @@ private void testAppAttemptKilledState(Container amContainer,
     assertEquals(amContainer, applicationAttempt.getMasterContainer());
     assertEquals(0.0, (double)applicationAttempt.getProgress(), 0.0001);
     assertEquals(0, applicationAttempt.getRanNodes().size());
+    assertNull(applicationAttempt.getFinalApplicationStatus());
   }
 
   /**
@@ -259,6 +266,7 @@ private void testAppAttemptScheduledState() {
     assertNull(applicationAttempt.getMasterContainer());
     assertEquals(0.0, (double)applicationAttempt.getProgress(), 0.0001);
     assertEquals(0, applicationAttempt.getRanNodes().size());
+    assertNull(applicationAttempt.getFinalApplicationStatus());
     
     // Check events
     verify(application).handle(any(RMAppEvent.class));
@@ -299,6 +307,49 @@ private void testAppAttemptFailedState(Container container,
     verify(application, times(2)).handle(any(RMAppFailedAttemptEvent.class));
   }
 
+  /**
+   * {@link RMAppAttemptState#LAUNCH}
+   */
+  private void testAppAttemptLaunchedState(Container container) {
+    assertEquals(RMAppAttemptState.LAUNCHED, 
+        applicationAttempt.getAppAttemptState());
+    assertEquals(container, applicationAttempt.getMasterContainer());
+    
+    // TODO - need to add more checks relevant to this state
+  }
+
+  /**
+   * {@link RMAppAttemptState#RUNNING}
+   */
+  private void testAppAttemptRunningState(Container container,
+      String host, int rpcPort, String trackingUrl) {
+    assertEquals(RMAppAttemptState.RUNNING, 
+        applicationAttempt.getAppAttemptState());
+    assertEquals(container, applicationAttempt.getMasterContainer());
+    assertEquals(host, applicationAttempt.getHost());
+    assertEquals(rpcPort, applicationAttempt.getRpcPort());
+    assertEquals(trackingUrl, applicationAttempt.getTrackingUrl());
+    
+    // TODO - need to add more checks relevant to this state
+  }
+
+  /**
+   * {@link RMAppAttemptState#FINISHED}
+   */
+  private void testAppAttemptFinishedState(Container container,
+      FinalApplicationStatus finalStatus, 
+      String trackingUrl, 
+      String diagnostics) {
+    assertEquals(RMAppAttemptState.FINISHED, 
+        applicationAttempt.getAppAttemptState());
+    assertEquals(diagnostics, applicationAttempt.getDiagnostics());
+    assertEquals(trackingUrl, applicationAttempt.getTrackingUrl());
+    assertEquals(0,applicationAttempt.getJustFinishedContainers().size());
+    assertEquals(container, applicationAttempt.getMasterContainer());
+    assertEquals(finalStatus, applicationAttempt.getFinalApplicationStatus());
+  }
+  
+  
   private void submitApplicationAttempt() {
     ApplicationAttemptId appAttemptId = applicationAttempt.getAppAttemptId();
     applicationAttempt.handle(
@@ -340,6 +391,27 @@ private Container allocateApplicationAttempt() {
     return container;
   }
   
+  private void launchApplicationAttempt(Container container) {
+    applicationAttempt.handle(
+        new RMAppAttemptEvent(applicationAttempt.getAppAttemptId(), 
+            RMAppAttemptEventType.LAUNCHED));
+
+    testAppAttemptLaunchedState(container);    
+  }
+  
+  private void runApplicationAttempt(Container container,
+      String host, 
+      int rpcPort, 
+      String trackingUrl) {
+    applicationAttempt.handle(
+        new RMAppAttemptRegistrationEvent(
+            applicationAttempt.getAppAttemptId(),
+            host, rpcPort, trackingUrl));
+    
+    testAppAttemptRunningState(container, host, rpcPort, trackingUrl);
+  }
+    
+
   @Test
   public void testNewToKilled() {
     applicationAttempt.handle(
@@ -400,4 +472,37 @@ public void testAllocatedToFailed() {
     testAppAttemptFailedState(amContainer, diagnostics);
   }
   
+  @Test 
+  public void testUnregisterToKilledFinish() {
+    Container amContainer = allocateApplicationAttempt();
+    launchApplicationAttempt(amContainer);
+    runApplicationAttempt(amContainer, "host", 9999, "oldtrackingurl");
+    String trackingUrl = "newtrackingurl";
+    String diagnostics = "Killed by user";
+    FinalApplicationStatus finalStatus = FinalApplicationStatus.KILLED;
+    applicationAttempt.handle(
+        new RMAppAttemptUnregistrationEvent(
+            applicationAttempt.getAppAttemptId(), 
+            trackingUrl, finalStatus, diagnostics));
+    testAppAttemptFinishedState(amContainer, finalStatus,
+        trackingUrl, diagnostics);
+  }
+  
+  
+  @Test 
+  public void testUnregisterToSuccessfulFinish() {
+    Container amContainer = allocateApplicationAttempt();
+    launchApplicationAttempt(amContainer);
+    runApplicationAttempt(amContainer, "host", 9999, "oldtrackingurl");
+    String trackingUrl = "mytrackingurl";
+    String diagnostics = "Successful";
+    FinalApplicationStatus finalStatus = FinalApplicationStatus.SUCCEEDED;
+    applicationAttempt.handle(
+        new RMAppAttemptUnregistrationEvent(
+            applicationAttempt.getAppAttemptId(), 
+            trackingUrl, finalStatus, diagnostics));
+    testAppAttemptFinishedState(amContainer, finalStatus,
+        trackingUrl, diagnostics);
+  }
+  
 }

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestQueueMetrics.java

@@ -25,7 +25,7 @@
 import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
 import static org.apache.hadoop.test.MetricsAsserts.*;
 import static org.apache.hadoop.test.MockitoMaker.*;
-import org.apache.hadoop.yarn.api.records.ApplicationState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.server.resourcemanager.resource.Resource;
 import org.apache.hadoop.yarn.server.resourcemanager.resource.Resources;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;