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MAPREDUCE-4723. Fix warnings found by findbugs 2. Contributed by Sandy Ryza

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1409601 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eli Collins 2012-11-15 00:16:35 +00:00
parent 7e2ecffd88
commit 905b17876c
47 changed files with 225 additions and 116 deletions
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2
hadoop-mapreduce-project/CHANGES.txt
View File

@ -166,6 +166,8 @@ Release 2.0.3-alpha - Unreleased
HADOOP-8911. CRLF characters in source and text files.
(Raja Aluri via suresh)
MAPREDUCE-4723. Fix warnings found by findbugs 2. (Sandy Ryza via eli)
OPTIMIZATIONS
BUG FIXES

24
hadoop-mapreduce-project/dev-support/findbugs-exclude.xml
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@ -479,4 +479,28 @@
<Field name="sslFileBufferSize" />
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.util.ProcessTree" />
<Method name="sendSignal" />
<Bug pattern="NP_GUARANTEED_DEREF_ON_EXCEPTION_PATH" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.util.ProcessTree" />
<Method name="isSetsidSupported" />
<Bug pattern="NP_GUARANTEED_DEREF_ON_EXCEPTION_PATH" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.util.ProcessTree" />
<Method name="isSetsidSupported" />
<Bug pattern="NP_NULL_ON_SOME_PATH_EXCEPTION" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.v2.hs.CachedHistoryStorage$1" />
<Bug pattern="SE_BAD_FIELD_INNER_CLASS" />
</Match>
</FindBugsFilter>

5
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/LocalContainerLauncher.java
View File

@ -359,9 +359,8 @@ private void runSubtask(org.apache.hadoop.mapred.Task task,
+ StringUtils.stringifyException(e));
}
// Report back any failures, for diagnostic purposes
ByteArrayOutputStream baos = new ByteArrayOutputStream();
exception.printStackTrace(new PrintStream(baos));
umbilical.reportDiagnosticInfo(classicAttemptID, baos.toString());
umbilical.reportDiagnosticInfo(classicAttemptID,
StringUtils.stringifyException(exception));
throw new RuntimeException();
} catch (Throwable throwable) {

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/TaskAttemptListenerImpl.java
View File

@ -315,8 +315,6 @@ public boolean statusUpdate(TaskAttemptID taskAttemptID,
+ taskStatus.getProgress());
// Task sends the updated state-string to the TT.
taskAttemptStatus.stateString = taskStatus.getStateString();
// Set the output-size when map-task finishes. Set by the task itself.
taskAttemptStatus.outputSize = taskStatus.getOutputSize();
// Task sends the updated phase to the TT.
taskAttemptStatus.phase = TypeConverter.toYarn(taskStatus.getPhase());
// Counters are updated by the task. Convert counters into new format as

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/YarnChild.java
View File

@ -184,10 +184,8 @@ public Object run() throws Exception {
LOG.info("Exception cleaning up: " + StringUtils.stringifyException(e));
}
// Report back any failures, for diagnostic purposes
ByteArrayOutputStream baos = new ByteArrayOutputStream();
exception.printStackTrace(new PrintStream(baos));
if (taskid != null) {
umbilical.fatalError(taskid, baos.toString());
umbilical.fatalError(taskid, StringUtils.stringifyException(exception));
}
} catch (Throwable throwable) {
LOG.fatal("Error running child : "

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobHistoryEventHandler.java
View File

@ -600,6 +600,8 @@ public void processEventForJobSummary(HistoryEvent event, JobSummary summary,
summary.setJobFinishTime(juce.getFinishTime());
setSummarySlotSeconds(summary, context.getJob(jobId).getAllCounters());
break;
default:
throw new YarnException("Invalid event type");
}
}

1
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/event/TaskAttemptStatusUpdateEvent.java
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@ -49,7 +49,6 @@ public static class TaskAttemptStatus {
public Counters counters;
public String stateString;
public Phase phase;
public long outputSize;
public List<TaskAttemptId> fetchFailedMaps;
public long mapFinishTime;
public long shuffleFinishTime;

6
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/JobImpl.java
View File

@ -833,6 +833,9 @@ JobStateInternal finished(JobStateInternal finalState) {
break;
case SUCCEEDED:
metrics.completedJob(this);
break;
default:
throw new IllegalArgumentException("Illegal job state: " + finalState);
}
return finalState;
}
@ -1311,6 +1314,9 @@ public void constructFinalFullcounters() {
case REDUCE:
this.finalReduceCounters.incrAllCounters(counters);
break;
default:
throw new IllegalStateException("Task type neither map nor reduce: " +
t.getType());
}
this.fullCounters.incrAllCounters(counters);
}

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TaskAttemptImpl.java
View File

@ -1335,6 +1335,8 @@ public void transition(TaskAttemptImpl taskAttempt,
taskAttempt.attemptId,
TaskEventType.T_ATTEMPT_KILLED));
break;
default:
LOG.error("Task final state is not FAILED or KILLED: " + finalState);
}
if (taskAttempt.getLaunchTime() != 0) {
TaskAttemptUnsuccessfulCompletionEvent tauce =

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMContainerRequestor.java
View File

@ -210,7 +210,7 @@ protected void containerFailedOnHost(String hostName) {
return; //already blacklisted
}
Integer failures = nodeFailures.remove(hostName);
failures = failures == null ? 0 : failures;
failures = failures == null ? Integer.valueOf(0) : failures;
failures++;
LOG.info(failures + " failures on node " + hostName);
if (failures >= maxTaskFailuresPerNode) {

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/speculate/StartEndTimesBase.java
View File

@ -43,7 +43,6 @@ abstract class StartEndTimesBase implements TaskRuntimeEstimator {
static final int MINIMUM_COMPLETE_NUMBER_TO_SPECULATE
= 1;
protected Configuration conf = null;
protected AppContext context = null;
protected final Map<TaskAttemptId, Long> startTimes
@ -82,7 +81,6 @@ public long attemptEnrolledTime(TaskAttemptId attemptID) {
@Override
public void contextualize(Configuration conf, AppContext context) {
this.conf = conf;
this.context = context;
Map<JobId, Job> allJobs = context.getAllJobs();

10
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/dao/JobInfo.java
View File

@ -285,6 +285,8 @@ private void countTasksAndAttempts(Job job) {
case SCHEDULED:
++this.mapsPending;
break;
default:
break;
}
break;
case REDUCE:
@ -296,8 +298,13 @@ private void countTasksAndAttempts(Job job) {
case SCHEDULED:
++this.reducesPending;
break;
default:
break;
}
break;
default:
throw new IllegalStateException(
"Task type is neither map nor reduce: " + task.getType());
}
// Attempts counts
Map<TaskAttemptId, TaskAttempt> attempts = task.getAttempts();
@ -337,6 +344,9 @@ private void countTasksAndAttempts(Job job) {
this.failedReduceAttempts += failed;
this.killedReduceAttempts += killed;
break;
default:
throw new IllegalStateException("Task type neither map nor reduce: " +
task.getType());
}
}
}

1
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestFetchFailure.java
View File

@ -412,7 +412,6 @@ private void updateStatus(MRApp app, TaskAttempt attempt, Phase phase) {
status.fetchFailedMaps = new ArrayList<TaskAttemptId>();
status.id = attempt.getID();
status.mapFinishTime = 0;
status.outputSize = 0;
status.phase = phase;
status.progress = 0.5f;
status.shuffleFinishTime = 0;

1
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestMRClientService.java
View File

@ -86,7 +86,6 @@ public void test() throws Exception {
taskAttemptStatus.stateString = "RUNNING";
taskAttemptStatus.taskState = TaskAttemptState.RUNNING;
taskAttemptStatus.phase = Phase.MAP;
taskAttemptStatus.outputSize = 3;
// send the status update
app.getContext().getEventHandler().handle(
new TaskAttemptStatusUpdateEvent(attempt.getID(), taskAttemptStatus));

5
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/util/MRApps.java
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@ -59,6 +59,8 @@
import org.apache.hadoop.yarn.util.BuilderUtils;
import org.apache.hadoop.yarn.util.ConverterUtils;
import com.google.common.base.Charsets;
/**
* Helper class for MR applications
*/
@ -159,7 +161,8 @@ private static void setMRFrameworkClasspath(
}
if (classpathFileStream != null) {
reader = new BufferedReader(new InputStreamReader(classpathFileStream));
reader = new BufferedReader(new InputStreamReader(classpathFileStream,
Charsets.UTF_8));
String cp = reader.readLine();
if (cp != null) {
Apps.addToEnvironment(environment, Environment.CLASSPATH.name(),

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/FileInputFormat.java
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@ -420,6 +420,8 @@ private static String[] getPathStrings(String commaSeparatedPaths) {
}
break;
}
default:
continue; // nothing special to do for this character
}
}
pathStrings.add(commaSeparatedPaths.substring(pathStart, length));

17
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/JobQueueClient.java
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@ -18,6 +18,7 @@
package org.apache.hadoop.mapred;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.List;
@ -30,6 +31,8 @@
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import com.google.common.base.Charsets;
/**
* <code>JobQueueClient</code> is interface provided to the user in order to get
* JobQueue related information from the {@link JobTracker}
@ -144,7 +147,8 @@ void printJobQueueInfo(JobQueueInfo jobQueueInfo, Writer writer,
private void displayQueueList() throws IOException {
JobQueueInfo[] rootQueues = jc.getRootQueues();
for (JobQueueInfo queue : rootQueues) {
printJobQueueInfo(queue, new PrintWriter(System.out));
printJobQueueInfo(queue, new PrintWriter(new OutputStreamWriter(
System.out, Charsets.UTF_8)));
}
}
@ -182,7 +186,8 @@ private void displayQueueInfo(String queue, boolean showJobs)
System.out.println("Queue \"" + queue + "\" does not exist.");
return;
}
printJobQueueInfo(jobQueueInfo, new PrintWriter(System.out));
printJobQueueInfo(jobQueueInfo, new PrintWriter(new OutputStreamWriter(
System.out, Charsets.UTF_8)));
if (showJobs && (jobQueueInfo.getChildren() == null ||
jobQueueInfo.getChildren().size() == 0)) {
JobStatus[] jobs = jobQueueInfo.getJobStatuses();
@ -223,10 +228,10 @@ private void displayUsage(String cmd) {
if ("-queueinfo".equals(cmd)) {
System.err.println(prefix + "[" + cmd + "<job-queue-name> [-showJobs]]");
} else {
System.err.printf(prefix + "<command> <args>\n");
System.err.printf("\t[-list]\n");
System.err.printf("\t[-info <job-queue-name> [-showJobs]]\n");
System.err.printf("\t[-showacls] \n\n");
System.err.printf(prefix + "<command> <args>%n");
System.err.printf("\t[-list]%n");
System.err.printf("\t[-info <job-queue-name> [-showJobs]]%n");
System.err.printf("\t[-showacls] %n%n");
ToolRunner.printGenericCommandUsage(System.out);
}
}

5
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TaskLog.java
View File

@ -49,6 +49,8 @@
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import com.google.common.base.Charsets;
/**
* A simple logger to handle the task-specific user logs.
* This class uses the system property <code>hadoop.log.dir</code>.
@ -104,7 +106,8 @@ private static LogFileDetail getLogFileDetail(TaskAttemptID taskid,
throws IOException {
File indexFile = getIndexFile(taskid, isCleanup);
BufferedReader fis = new BufferedReader(new InputStreamReader(
SecureIOUtils.openForRead(indexFile, obtainLogDirOwner(taskid), null)));
SecureIOUtils.openForRead(indexFile, obtainLogDirOwner(taskid), null),
Charsets.UTF_8));
//the format of the index file is
//LOG_DIR: <the dir where the task logs are really stored>
//stdout:<start-offset in the stdout file> <length>

6
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TextInputFormat.java
View File

@ -27,6 +27,8 @@
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.compress.*;
import com.google.common.base.Charsets;
/**
* An {@link InputFormat} for plain text files. Files are broken into lines.
* Either linefeed or carriage-return are used to signal end of line. Keys are
@ -59,7 +61,9 @@ public RecordReader<LongWritable, Text> getRecordReader(
reporter.setStatus(genericSplit.toString());
String delimiter = job.get("textinputformat.record.delimiter");
byte[] recordDelimiterBytes = null;
if (null != delimiter) recordDelimiterBytes = delimiter.getBytes();
if (null != delimiter) {
recordDelimiterBytes = delimiter.getBytes(Charsets.UTF_8);
}
return new LineRecordReader(job, (FileSplit) genericSplit,
recordDelimiterBytes);
}

3
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/lib/CombineFileRecordReader.java
View File

@ -49,9 +49,7 @@ public class CombineFileRecordReader<K, V> implements RecordReader<K, V> {
protected CombineFileSplit split;
protected JobConf jc;
protected Reporter reporter;
protected Class<RecordReader<K, V>> rrClass;
protected Constructor<RecordReader<K, V>> rrConstructor;
protected FileSystem fs;
protected int idx;
protected long progress;
@ -106,7 +104,6 @@ public CombineFileRecordReader(JobConf job, CombineFileSplit split,
throws IOException {
this.split = split;
this.jc = job;
this.rrClass = rrClass;
this.reporter = reporter;
this.idx = 0;
this.curReader = null;

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/JobSubmitter.java
View File

@ -56,6 +56,8 @@
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import com.google.common.base.Charsets;
@InterfaceAudience.Private
@InterfaceStability.Unstable
class JobSubmitter {
@ -550,7 +552,7 @@ private void readTokensFromFiles(Configuration conf, Credentials credentials)
for(Map.Entry<String, String> ent: nm.entrySet()) {
credentials.addSecretKey(new Text(ent.getKey()), ent.getValue()
.getBytes());
.getBytes(Charsets.UTF_8));
}
} catch (JsonMappingException e) {
json_error = true;

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/jobhistory/HistoryViewer.java
View File

@ -188,7 +188,7 @@ private void printCounters(StringBuffer buff, Counters totalCounters,
decimal.format(counter.getValue());
buff.append(
String.format("\n|%1$-30s|%2$-30s|%3$-10s|%4$-10s|%5$-10s",
String.format("%n|%1$-30s|%2$-30s|%3$-10s|%4$-10s|%5$-10s",
totalGroup.getDisplayName(),
counter.getDisplayName(),
mapValue, reduceValue, totalValue));

8
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/db/DBInputFormat.java
View File

@ -30,6 +30,8 @@
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.mapreduce.InputFormat;
@ -58,6 +60,8 @@
public class DBInputFormat<T extends DBWritable>
extends InputFormat<LongWritable, T> implements Configurable {
private static final Log LOG = LogFactory.getLog(DBInputFormat.class);
private String dbProductName = "DEFAULT";
/**
@ -354,6 +358,8 @@ protected void closeConnection() {
this.connection.close();
this.connection = null;
}
} catch (SQLException sqlE) { } // ignore exception on close.
} catch (SQLException sqlE) {
LOG.debug("Exception on close", sqlE);
}
}
}

1
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/input/CombineFileInputFormat.java
View File

@ -219,7 +219,6 @@ public List<InputSplit> getSplits(JobContext job)
Path p = fs.makeQualified(paths[i]);
newpaths.add(p);
}
paths = null;
// In one single iteration, process all the paths in a single pool.
// Processing one pool at a time ensures that a split contains paths

3
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/input/CombineFileRecordReader.java
View File

@ -46,9 +46,7 @@ public class CombineFileRecordReader<K, V> extends RecordReader<K, V> {
Integer.class};
protected CombineFileSplit split;
protected Class<? extends RecordReader<K,V>> rrClass;
protected Constructor<? extends RecordReader<K,V>> rrConstructor;
protected FileSystem fs;
protected TaskAttemptContext context;
protected int idx;
@ -111,7 +109,6 @@ public CombineFileRecordReader(CombineFileSplit split,
throws IOException {
this.split = split;
this.context = context;
this.rrClass = rrClass;
this.idx = 0;
this.curReader = null;
this.progress = 0;

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/input/FileInputFormat.java
View File

@ -425,6 +425,8 @@ private static String[] getPathStrings(String commaSeparatedPaths) {
}
break;
}
default:
continue; // nothing special to do for this character
}
}
pathStrings.add(commaSeparatedPaths.substring(pathStart, length));

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/input/TextInputFormat.java
View File

@ -32,6 +32,8 @@
import org.apache.hadoop.mapreduce.RecordReader;
import org.apache.hadoop.mapreduce.TaskAttemptContext;
import com.google.common.base.Charsets;
/** An {@link InputFormat} for plain text files. Files are broken into lines.
* Either linefeed or carriage-return are used to signal end of line. Keys are
* the position in the file, and values are the line of text.. */
@ -47,7 +49,7 @@ public class TextInputFormat extends FileInputFormat<LongWritable, Text> {
"textinputformat.record.delimiter");
byte[] recordDelimiterBytes = null;
if (null != delimiter)
recordDelimiterBytes = delimiter.getBytes();
recordDelimiterBytes = delimiter.getBytes(Charsets.UTF_8);
return new LineRecordReader(recordDelimiterBytes);
}

32
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/SecureShuffleUtils.java
View File

@ -18,21 +18,23 @@
package org.apache.hadoop.mapreduce.security;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.net.URL;
import javax.crypto.SecretKey;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.io.WritableComparator;
import org.apache.hadoop.mapreduce.security.token.JobTokenSecretManager;
import org.apache.hadoop.record.Utils;
import com.google.common.base.Charsets;
/**
*
* utilities for generating kyes, hashes and verifying them for shuffle
@ -41,6 +43,8 @@
@InterfaceAudience.Private
@InterfaceStability.Unstable
public class SecureShuffleUtils {
private static final Log LOG = LogFactory.getLog(SecureShuffleUtils.class);
public static final String HTTP_HEADER_URL_HASH = "UrlHash";
public static final String HTTP_HEADER_REPLY_URL_HASH = "ReplyHash";
@ -49,7 +53,8 @@ public class SecureShuffleUtils {
* @param msg
*/
public static String generateHash(byte[] msg, SecretKey key) {
return new String(Base64.encodeBase64(generateByteHash(msg, key)));
return new String(Base64.encodeBase64(generateByteHash(msg, key)),
Charsets.UTF_8);
}
/**
@ -80,7 +85,7 @@ private static boolean verifyHash(byte[] hash, byte[] msg, SecretKey key) {
*/
public static String hashFromString(String enc_str, SecretKey key)
throws IOException {
return generateHash(enc_str.getBytes(), key);
return generateHash(enc_str.getBytes(Charsets.UTF_8), key);
}
/**
@ -91,9 +96,9 @@ public static String hashFromString(String enc_str, SecretKey key)
*/
public static void verifyReply(String base64Hash, String msg, SecretKey key)
throws IOException {
byte[] hash = Base64.decodeBase64(base64Hash.getBytes());
byte[] hash = Base64.decodeBase64(base64Hash.getBytes(Charsets.UTF_8));
boolean res = verifyHash(hash, msg.getBytes(), key);
boolean res = verifyHash(hash, msg.getBytes(Charsets.UTF_8), key);
if(res != true) {
throw new IOException("Verification of the hashReply failed");
@ -126,19 +131,4 @@ public static String buildMsgFrom(HttpServletRequest request ) {
private static String buildMsgFrom(String uri_path, String uri_query, int port) {
return String.valueOf(port) + uri_path + "?" + uri_query;
}
/**
* byte array to Hex String
* @param ba
* @return string with HEX value of the key
*/
public static String toHex(byte[] ba) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(baos);
for(byte b: ba) {
ps.printf("%x", b);
}
return baos.toString();
}
}

1
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/Shuffle.java
View File

@ -144,7 +144,6 @@ public RawKeyValueIterator run() throws IOException, InterruptedException {
for (Fetcher<K,V> fetcher : fetchers) {
fetcher.shutDown();
}
fetchers = null;
// stop the scheduler
scheduler.close();

34
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/tools/CLI.java
View File

@ -18,6 +18,7 @@
package org.apache.hadoop.mapreduce.tools;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
@ -53,6 +54,8 @@
import org.apache.hadoop.util.ToolRunner;
import org.apache.hadoop.yarn.logaggregation.LogDumper;
import com.google.common.base.Charsets;
/**
* Interprets the map reduce cli options
*/
@ -426,25 +429,25 @@ private void displayUsage(String cmd) {
" <job-id> <task-attempt-id>]. " +
" <task-attempt-id> is optional to get task attempt logs.");
} else {
System.err.printf(prefix + "<command> <args>\n");
System.err.printf("\t[-submit <job-file>]\n");
System.err.printf("\t[-status <job-id>]\n");
System.err.printf("\t[-counter <job-id> <group-name> <counter-name>]\n");
System.err.printf("\t[-kill <job-id>]\n");
System.err.printf(prefix + "<command> <args>%n");
System.err.printf("\t[-submit <job-file>]%n");
System.err.printf("\t[-status <job-id>]%n");
System.err.printf("\t[-counter <job-id> <group-name> <counter-name>]%n");
System.err.printf("\t[-kill <job-id>]%n");
System.err.printf("\t[-set-priority <job-id> <priority>]. " +
"Valid values for priorities are: " + jobPriorityValues + "\n");
System.err.printf("\t[-events <job-id> <from-event-#> <#-of-events>]\n");
System.err.printf("\t[-history <jobHistoryFile>]\n");
System.err.printf("\t[-list [all]]\n");
System.err.printf("\t[-list-active-trackers]\n");
System.err.printf("\t[-list-blacklisted-trackers]\n");
"Valid values for priorities are: " + jobPriorityValues + "%n");
System.err.printf("\t[-events <job-id> <from-event-#> <#-of-events>]%n");
System.err.printf("\t[-history <jobHistoryFile>]%n");
System.err.printf("\t[-list [all]]%n");
System.err.printf("\t[-list-active-trackers]%n");
System.err.printf("\t[-list-blacklisted-trackers]%n");
System.err.println("\t[-list-attempt-ids <job-id> <task-type> " +
"<task-state>]. " +
"Valid values for <task-type> are " + taskTypes + ". " +
"Valid values for <task-state> are " + taskStates);
System.err.printf("\t[-kill-task <task-attempt-id>]\n");
System.err.printf("\t[-fail-task <task-attempt-id>]\n");
System.err.printf("\t[-logs <job-id> <task-attempt-id>]\n\n");
System.err.printf("\t[-kill-task <task-attempt-id>]%n");
System.err.printf("\t[-fail-task <task-attempt-id>]%n");
System.err.printf("\t[-logs <job-id> <task-attempt-id>]%n%n");
ToolRunner.printGenericCommandUsage(System.out);
}
}
@ -584,7 +587,8 @@ protected void displayTasks(Job job, String type, String state)
public void displayJobList(JobStatus[] jobs)
throws IOException, InterruptedException {
displayJobList(jobs, new PrintWriter(System.out));
displayJobList(jobs, new PrintWriter(new OutputStreamWriter(System.out,
Charsets.UTF_8)));
}
@Private

20
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/util/LinuxResourceCalculatorPlugin.java
View File

@ -19,9 +19,10 @@
package org.apache.hadoop.mapreduce.util;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -30,6 +31,8 @@
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import com.google.common.base.Charsets;
/**
* Plugin to calculate resource information on Linux systems.
*/
@ -152,9 +155,10 @@ private void readProcMemInfoFile(boolean readAgain) {
// Read "/proc/memInfo" file
BufferedReader in = null;
FileReader fReader = null;
InputStreamReader fReader = null;
try {
fReader = new FileReader(procfsMemFile);
fReader = new InputStreamReader(new FileInputStream(procfsMemFile),
Charsets.UTF_8);
in = new BufferedReader(fReader);
} catch (FileNotFoundException f) {
// shouldn't happen....
@ -211,9 +215,10 @@ private void readProcCpuInfoFile() {
}
// Read "/proc/cpuinfo" file
BufferedReader in = null;
FileReader fReader = null;
InputStreamReader fReader = null;
try {
fReader = new FileReader(procfsCpuFile);
fReader = new InputStreamReader(new FileInputStream(procfsCpuFile),
Charsets.UTF_8);
in = new BufferedReader(fReader);
} catch (FileNotFoundException f) {
// shouldn't happen....
@ -258,9 +263,10 @@ private void readProcCpuInfoFile() {
private void readProcStatFile() {
// Read "/proc/stat" file
BufferedReader in = null;
FileReader fReader = null;
InputStreamReader fReader = null;
try {
fReader = new FileReader(procfsStatFile);
fReader = new InputStreamReader(new FileInputStream(procfsStatFile),
Charsets.UTF_8);
in = new BufferedReader(fReader);
} catch (FileNotFoundException f) {
// shouldn't happen....

1
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/util/ProcessTree.java
View File

@ -26,7 +26,6 @@
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.util.Shell.ExitCodeException;
import org.apache.hadoop.util.Shell.ShellCommandExecutor;

22
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/util/ProcfsBasedProcessTree.java
View File

@ -20,9 +20,10 @@
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
@ -39,6 +40,8 @@
import org.apache.hadoop.util.Shell.ShellCommandExecutor;
import org.apache.hadoop.util.StringUtils;
import com.google.common.base.Charsets;
/**
* A Proc file-system based ProcessTree. Works only on Linux.
*/
@ -350,7 +353,7 @@ public void destroy(boolean inBackground) {
}
private static final String PROCESSTREE_DUMP_FORMAT =
"\t|- %s %s %d %d %s %d %d %d %d %s\n";
"\t|- %s %s %d %d %s %d %d %d %d %s%n";
/**
* Get a dump of the process-tree.
@ -363,7 +366,7 @@ public String getProcessTreeDump() {
// The header.
ret.append(String.format("\t|- PID PPID PGRPID SESSID CMD_NAME "
+ "USER_MODE_TIME(MILLIS) SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) "
+ "RSSMEM_USAGE(PAGES) FULL_CMD_LINE\n"));
+ "RSSMEM_USAGE(PAGES) FULL_CMD_LINE%n"));
for (ProcessInfo p : processTree.values()) {
if (p != null) {
ret.append(String.format(PROCESSTREE_DUMP_FORMAT, p.getPid(), p
@ -505,10 +508,11 @@ private static ProcessInfo constructProcessInfo(ProcessInfo pinfo,
ProcessInfo ret = null;
// Read "procfsDir/<pid>/stat" file - typically /proc/<pid>/stat
BufferedReader in = null;
FileReader fReader = null;
InputStreamReader fReader = null;
try {
File pidDir = new File(procfsDir, pinfo.getPid());
fReader = new FileReader(new File(pidDir, PROCFS_STAT_FILE));
fReader = new InputStreamReader(new FileInputStream(
new File(pidDir, PROCFS_STAT_FILE)), Charsets.UTF_8);
in = new BufferedReader(fReader);
} catch (FileNotFoundException f) {
// The process vanished in the interim!
@ -695,11 +699,11 @@ public String getCmdLine(String procfsDir) {
return ret;
}
BufferedReader in = null;
FileReader fReader = null;
InputStreamReader fReader = null;
try {
fReader =
new FileReader(new File(new File(procfsDir, pid),
PROCFS_CMDLINE_FILE));
fReader = new InputStreamReader(new FileInputStream(
new File(new File(procfsDir, pid), PROCFS_CMDLINE_FILE)),
Charsets.UTF_8);
} catch (FileNotFoundException f) {
// The process vanished in the interim!
return ret;

3
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/HistoryFileManager.java
View File

@ -535,9 +535,10 @@ private void addDirectoryToSerialNumberIndex(Path serialDirPath) {
if (serialPart == null) {
LOG.warn("Could not find serial portion from path: "
+ serialDirPath.toString() + ". Continuing with next");
}
} else {
serialNumberIndex.add(serialPart, timestampPart);
}
}
private void addDirectoryToJobListCache(Path path) throws IOException {
if (LOG.isDebugEnabled()) {

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/webapp/HsJobsBlock.java
View File

@ -38,7 +38,7 @@
*/
public class HsJobsBlock extends HtmlBlock {
final AppContext appContext;
static final SimpleDateFormat dateFormat =
final SimpleDateFormat dateFormat =
new SimpleDateFormat("yyyy.MM.dd HH:mm:ss z");
@Inject HsJobsBlock(AppContext appCtx) {

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java
View File

@ -106,6 +106,7 @@
import org.jboss.netty.handler.stream.ChunkedWriteHandler;
import org.jboss.netty.util.CharsetUtil;
import com.google.common.base.Charsets;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
public class ShuffleHandler extends AbstractService
@ -490,7 +491,8 @@ private void verifyRequest(String appid, ChannelHandlerContext ctx,
SecureShuffleUtils.verifyReply(urlHashStr, enc_str, tokenSecret);
// verification passed - encode the reply
String reply =
SecureShuffleUtils.generateHash(urlHashStr.getBytes(), tokenSecret);
SecureShuffleUtils.generateHash(urlHashStr.getBytes(Charsets.UTF_8),
tokenSecret);
response.setHeader(SecureShuffleUtils.HTTP_HEADER_REPLY_URL_HASH, reply);
if (LOG.isDebugEnabled()) {
int len = reply.length();

6
hadoop-mapreduce-project/hadoop-mapreduce-examples/dev-support/findbugs-exclude.xml
View File

@ -60,4 +60,10 @@
<Bug pattern="ICAST_QUESTIONABLE_UNSIGNED_RIGHT_SHIFT" />
</Match>
<Match>
<Class name="org.apache.hadoop.examples.terasort.TeraInputFormat" />
<Method name="getSplits" />
<Bug pattern="ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD" />
</Match>
</FindBugsFilter>

5
hadoop-mapreduce-project/hadoop-mapreduce-examples/pom.xml
View File

@ -103,6 +103,11 @@
<artifactId>hsqldb</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>
<build>

9
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/BaileyBorweinPlouffe.java
View File

@ -22,7 +22,9 @@
import java.io.DataOutput;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
@ -50,6 +52,8 @@
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import com.google.common.base.Charsets;
/**
* A map/reduce program that uses Bailey-Borwein-Plouffe to compute exact
* digits of Pi.
@ -151,7 +155,8 @@ protected void cleanup(Context context
LOG.info("Writing text output to " + outfile);
final OutputStream outputstream = fs.create(outfile);
try {
final PrintStream out = new PrintStream(outputstream, true);
final PrintWriter out = new PrintWriter(
new OutputStreamWriter(outputstream, Charsets.UTF_8), true);
// write hex text
print(out, hex.iterator(), "Pi = 0x3.", "%02X", 5, 5);
out.println("Total number of hexadecimal digits is "
@ -184,7 +189,7 @@ public void remove() {
}
/** Print out elements in a nice format. */
private static <T> void print(PrintStream out, Iterator<T> iterator,
private static <T> void print(PrintWriter out, Iterator<T> iterator,
String prefix, String format, int elementsPerGroup, int groupsPerLine) {
final StringBuilder sb = new StringBuilder("\n");
for (int i = 0; i < prefix.length(); i++)

6
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/WordMean.java
View File

@ -37,6 +37,8 @@
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import com.google.common.base.Charsets;
public class WordMean extends Configured implements Tool {
private double mean = 0;
@ -125,7 +127,7 @@ private double readAndCalcMean(Path path, Configuration conf)
// average = total sum / number of elements;
try {
br = new BufferedReader(new InputStreamReader(fs.open(file)));
br = new BufferedReader(new InputStreamReader(fs.open(file), Charsets.UTF_8));
long count = 0;
long length = 0;
@ -151,9 +153,11 @@ private double readAndCalcMean(Path path, Configuration conf)
System.out.println("The mean is: " + theMean);
return theMean;
} finally {
if (br != null) {
br.close();
}
}
}
public static void main(String[] args) throws Exception {
ToolRunner.run(new Configuration(), new WordMean(), args);

6
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/WordMedian.java
View File

@ -38,6 +38,8 @@
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import com.google.common.base.Charsets;
public class WordMedian extends Configured implements Tool {
private double median = 0;
@ -127,7 +129,7 @@ private double readAndFindMedian(String path, int medianIndex1,
BufferedReader br = null;
try {
br = new BufferedReader(new InputStreamReader(fs.open(file)));
br = new BufferedReader(new InputStreamReader(fs.open(file), Charsets.UTF_8));
int num = 0;
String line;
@ -157,8 +159,10 @@ private double readAndFindMedian(String path, int medianIndex1,
}
}
} finally {
if (br != null) {
br.close();
}
}
// error, no median found
return -1;
}

6
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/WordStandardDeviation.java
View File

@ -37,6 +37,8 @@
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import com.google.common.base.Charsets;
public class WordStandardDeviation extends Configured implements Tool {
private double stddev = 0;
@ -135,7 +137,7 @@ private double readAndCalcStdDev(Path path, Configuration conf)
double stddev = 0;
BufferedReader br = null;
try {
br = new BufferedReader(new InputStreamReader(fs.open(file)));
br = new BufferedReader(new InputStreamReader(fs.open(file), Charsets.UTF_8));
long count = 0;
long length = 0;
long square = 0;
@ -166,8 +168,10 @@ private double readAndCalcStdDev(Path path, Configuration conf)
stddev = Math.sqrt((term - mean));
System.out.println("The standard deviation is: " + stddev);
} finally {
if (br != null) {
br.close();
}
}
return stddev;
}

8
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/dancing/DistributedPentomino.java
View File

@ -33,6 +33,8 @@
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.util.*;
import com.google.common.base.Charsets;
/**
* Launch a distributed pentomino solver.
* It generates a complete list of prefixes of length N with each unique prefix
@ -137,9 +139,9 @@ private static long createInputDirectory(FileSystem fs,
fs.mkdirs(dir);
List<int[]> splits = pent.getSplits(depth);
Path input = new Path(dir, "part1");
PrintStream file =
new PrintStream(new BufferedOutputStream
(fs.create(input), 64*1024));
PrintWriter file =
new PrintWriter(new OutputStreamWriter(new BufferedOutputStream
(fs.create(input), 64*1024), Charsets.UTF_8));
for(int[] prefix: splits) {
for(int i=0; i < prefix.length; ++i) {
if (i != 0) {

5
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/dancing/Sudoku.java
View File

@ -21,6 +21,8 @@
import java.io.*;
import java.util.*;
import com.google.common.base.Charsets;
/**
* This class uses the dancing links algorithm from Knuth to solve sudoku
* puzzles. It has solved 42x42 puzzles in 1.02 seconds.
@ -133,7 +135,8 @@ public void solution(List<List<ColumnName>> names) {
* @param stream The input stream to read the data from
*/
public Sudoku(InputStream stream) throws IOException {
BufferedReader file = new BufferedReader(new InputStreamReader(stream));
BufferedReader file = new BufferedReader(
new InputStreamReader(stream, Charsets.UTF_8));
String line = file.readLine();
List<int[]> result = new ArrayList<int[]>();
while (line != null) {

14
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/pi/Parser.java
View File

@ -19,9 +19,11 @@
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
@ -32,6 +34,8 @@
import org.apache.hadoop.examples.pi.math.Bellard;
import org.apache.hadoop.examples.pi.math.Bellard.Parameter;
import com.google.common.base.Charsets;
/** A class for parsing outputs */
public final class Parser {
static final String VERBOSE_PROPERTY = "pi.parser.verbose";
@ -71,7 +75,8 @@ private void parse(File f, Map<Parameter, List<TaskResult>> sums) throws IOExcep
for(Parameter p : Parameter.values())
m.put(p, new ArrayList<TaskResult>());
final BufferedReader in = new BufferedReader(new FileReader(f));
final BufferedReader in = new BufferedReader(
new InputStreamReader(new FileInputStream(f), Charsets.UTF_8));
try {
for(String line; (line = in.readLine()) != null; )
try {
@ -127,7 +132,8 @@ Map<Parameter, List<TaskResult>> parse(String inputpath, String outputdir
Collections.sort(results);
final PrintWriter out = new PrintWriter(
new FileWriter(new File(outputdir, p + ".txt")), true);
new OutputStreamWriter(new FileOutputStream(
new File(outputdir, p + ".txt")), Charsets.UTF_8), true);
try {
for(int i = 0; i < results.size(); i++)
out.println(DistSum.taskResult2string(p + "." + i, results.get(i)));

18
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/pi/Util.java
View File

@ -19,9 +19,10 @@
import java.io.BufferedReader;
import java.io.File;
import java.io.FileWriter;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
@ -46,6 +47,8 @@
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.util.ToolRunner;
import com.google.common.base.Charsets;
/** Utility methods */
public class Util {
/** Output stream */
@ -81,7 +84,7 @@ public synchronized long tick(String s) {
final long t = System.currentTimeMillis();
final long delta = t - (isAccumulative? start: previous);
if (s != null) {
out.format("%15dms (=%-15s: %s\n", delta, millis2String(delta) + ")", s);
out.format("%15dms (=%-15s: %s%n", delta, millis2String(delta) + ")", s);
out.flush();
}
previous = t;
@ -203,16 +206,16 @@ public static void checkDirectory(File dir) {
throw new IllegalArgumentException("dir (=" + dir + ") is not a directory.");
}
private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("-yyyyMMdd-HHmmssSSS");
/** Create a writer of a local file. */
public static PrintWriter createWriter(File dir, String prefix) throws IOException {
checkDirectory(dir);
SimpleDateFormat dateFormat = new SimpleDateFormat("-yyyyMMdd-HHmmssSSS");
for(;;) {
final File f = new File(dir,
prefix + DATE_FORMAT.format(new Date(System.currentTimeMillis())) + ".txt");
prefix + dateFormat.format(new Date(System.currentTimeMillis())) + ".txt");
if (!f.exists())
return new PrintWriter(new FileWriter(f));
return new PrintWriter(new OutputStreamWriter(new FileOutputStream(f), Charsets.UTF_8));
try {Thread.sleep(10);} catch (InterruptedException e) {}
}
@ -286,7 +289,8 @@ static List<TaskResult> readJobOutputs(FileSystem fs, Path outdir) throws IOExce
final List<TaskResult> results = new ArrayList<TaskResult>();
for(FileStatus status : fs.listStatus(outdir)) {
if (status.getPath().getName().startsWith("part-")) {
final BufferedReader in = new BufferedReader(new InputStreamReader(fs.open(status.getPath())));
final BufferedReader in = new BufferedReader(
new InputStreamReader(fs.open(status.getPath()), Charsets.UTF_8));
try {
for(String line; (line = in.readLine()) != null; )
results.add(TaskResult.valueOf(line));
@ -305,7 +309,7 @@ static List<TaskResult> readJobOutputs(FileSystem fs, Path outdir) throws IOExce
static void writeResults(String name, List<TaskResult> results, FileSystem fs, String dir) throws IOException {
final Path outfile = new Path(dir, name + ".txt");
Util.out.println(name + "> writing results to " + outfile);
final PrintStream out = new PrintStream(fs.create(outfile), true);
final PrintWriter out = new PrintWriter(new OutputStreamWriter(fs.create(outfile), Charsets.UTF_8), true);
try {
for(TaskResult r : results)
out.println(r);

5
hadoop-mapreduce-project/hadoop-mapreduce-examples/src/main/java/org/apache/hadoop/examples/terasort/TeraScheduler.java
View File

@ -29,6 +29,8 @@
import org.apache.hadoop.mapreduce.lib.input.FileSplit;
import org.apache.hadoop.mapreduce.server.tasktracker.TTConfig;
import com.google.common.base.Charsets;
class TeraScheduler {
static String USE = "mapreduce.terasort.use.terascheduler";
private static final Log LOG = LogFactory.getLog(TeraScheduler.class);
@ -73,7 +75,8 @@ public String toString() {
List<String> readFile(String filename) throws IOException {
List<String> result = new ArrayList<String>(10000);
BufferedReader in = new BufferedReader(new FileReader(filename));
BufferedReader in = new BufferedReader(
new InputStreamReader(new FileInputStream(filename), Charsets.UTF_8));
String line = in.readLine();
while (line != null) {
result.add(line);