diff --git a/hadoop-mapreduce/dev-support/findbugs-exclude.xml b/hadoop-mapreduce/dev-support/findbugs-exclude.xml
new file mode 100644
index 0000000000..92b0549a35
--- /dev/null
+++ b/hadoop-mapreduce/dev-support/findbugs-exclude.xml
@@ -0,0 +1,459 @@
+<!--
+   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.
+-->
+
+<FindBugsFilter>
+     <Match>
+       <Package name="org.apache.hadoop.record.compiler.generated" />
+     </Match>
+     <Match>
+       <Bug pattern="EI_EXPOSE_REP" />
+     </Match>
+     <Match>
+       <Bug pattern="EI_EXPOSE_REP2" />
+     </Match>
+     <Match>
+       <Bug pattern="SE_COMPARATOR_SHOULD_BE_SERIALIZABLE" />
+     </Match>
+     <Match>
+       <Class name="~.*_jsp" />
+       <Bug pattern="DLS_DEAD_LOCAL_STORE" />
+     </Match>
+     <Match>
+       <Class name="~.*_jspx" />
+       <Bug pattern="DLS_DEAD_LOCAL_STORE" />
+     </Match>
+     <Match>
+       <Field name="_jspx_dependants" />
+       <Bug pattern="UWF_UNWRITTEN_FIELD" />
+     </Match>
+     <!-- 
+       Inconsistent synchronization for Client.Connection.out is
+       is intentional to make a connection to be closed instantly. 
+     --> 
+     <Match>
+       <Class name="org.apache.hadoop.ipc.Client$Connection" />
+       <Field name="out" />
+       <Bug pattern="IS2_INCONSISTENT_SYNC" />
+     </Match>
+     <!-- 
+       Ignore Cross Scripting Vulnerabilities
+     -->
+     <Match>
+       <Package name="~org.apache.hadoop.mapred.*" />
+       <Bug code="XSS" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.taskdetails_jsp" />
+       <Bug code="HRS" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.jobdetails_jsp"/>
+       <Bug pattern="HRS_REQUEST_PARAMETER_TO_HTTP_HEADER"/>
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.taskstats_jsp"/>
+       <Bug pattern="HRS_REQUEST_PARAMETER_TO_HTTP_HEADER"/>
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.jobtasks_jsp"/>
+       <Bug pattern="HRS_REQUEST_PARAMETER_TO_HTTP_HEADER"/>
+     </Match>
+     <!--
+       Ignore warnings where child class has the same name as
+       super class. Classes based on Old API shadow names from
+       new API. Should go off after HADOOP-1.0
+     -->
+     <Match>
+       <Class name="~org.apache.hadoop.mapred.*" />
+       <Bug pattern="NM_SAME_SIMPLE_NAME_AS_SUPERCLASS" />
+     </Match>
+     <Match>
+       <Class name="~org.apache.hadoop.mapred.*" />
+       <Bug pattern="NM_SAME_SIMPLE_NAME_AS_INTERFACE" />
+     </Match>
+     <Match>
+       <Class name="~org.apache.hadoop.mapred.lib.aggregate.*" />
+       <Bug pattern="NM_SAME_SIMPLE_NAME_AS_INTERFACE" />
+     </Match>
+     <Match>
+       <Class name="~org.apache.hadoop.mapred.join.*" />
+       <Bug pattern="NM_SAME_SIMPLE_NAME_AS_INTERFACE" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.SequenceFileInputFilter$Filter" />
+       <Bug pattern="NM_SAME_SIMPLE_NAME_AS_INTERFACE" />
+     </Match>
+     <Match>
+       <Class name="~org.apache.hadoop.util.*" />
+       <Bug pattern="NM_SAME_SIMPLE_NAME_AS_SUPERCLASS" />
+     </Match>
+     <Match>
+       <Class name="~org.apache.hadoop.filecache.*" />
+       <Bug pattern="NM_SAME_SIMPLE_NAME_AS_SUPERCLASS" />
+     </Match>
+     <!--
+       Ignore warnings for usage of System.exit. This is
+       required and have been well thought out
+     -->
+     <Match>
+       <Class name="org.apache.hadoop.mapred.Child$2" />
+       <Method name="run" />
+       <Bug pattern="DM_EXIT" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.JobTracker" />
+       <Method name="addHostToNodeMapping" />
+       <Bug pattern="DM_EXIT" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.Task" />
+       <Or>
+       <Method name="done" />
+       <Method name="commit" />
+       <Method name="statusUpdate" />
+       </Or>
+       <Bug pattern="DM_EXIT" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.JobTracker" />
+       <Field name="clock" />
+       <Bug pattern="ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.Task$TaskReporter" />
+       <Method name="run" />
+       <Bug pattern="DM_EXIT" />
+     </Match>
+     <!--
+       We need to cast objects between old and new api objects
+     -->
+     <Match>
+       <Class name="org.apache.hadoop.mapred.OutputCommitter" />
+       <Bug pattern="BC_UNCONFIRMED_CAST" />
+     </Match>
+     <!--
+       We intentionally do the get name from the inner class
+     -->
+     <Match>
+       <Class name="org.apache.hadoop.mapred.TaskTracker$MapEventsFetcherThread" />
+       <Method name="run" />
+       <Bug pattern="IA_AMBIGUOUS_INVOCATION_OF_INHERITED_OR_OUTER_METHOD" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.FileOutputCommitter" />
+       <Bug pattern="NM_WRONG_PACKAGE_INTENTIONAL" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.OutputCommitter" />
+       <Or>
+       <Method name="abortJob" />
+       <Method name="commitJob" />
+       <Method name="cleanupJob" />
+       </Or>
+       <Bug pattern="NM_WRONG_PACKAGE_INTENTIONAL" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.lib.db.DBInputFormat$DBRecordReader" />
+       <Method name="next" />
+       <Bug pattern="NM_WRONG_PACKAGE_INTENTIONAL" />
+     </Match>
+     <!--
+       Ignoring this warning as resolving this would need a non-trivial change in code 
+     -->
+     <Match>
+       <Class name="org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor" />
+       <Method name="configure" />
+       <Field name="maxNumItems" />
+       <Bug pattern="ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD" />
+     </Match>
+     <!--
+       Comes from org.apache.jasper.runtime.ResourceInjector. Cannot do much.
+     -->
+     <Match>
+       <Class name="org.apache.hadoop.mapred.jobqueue_005fdetails_jsp" />
+       <Field name="_jspx_resourceInjector" />
+       <Bug pattern="SE_BAD_FIELD" />
+     </Match>
+     <!--
+       Storing textInputFormat and then passing it as a parameter. Safe to ignore.
+     -->
+     <Match>
+       <Class name="org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob" />
+       <Method name="createValueAggregatorJob" />
+       <Bug pattern="DLS_DEAD_STORE_OF_CLASS_LITERAL" />
+     </Match>
+     <!--
+       Can remove this after the upgrade to findbugs1.3.8
+     -->
+     <Match>
+       <Class name="org.apache.hadoop.mapred.lib.db.DBInputFormat" />
+       <Method name="getSplits" />
+       <Bug pattern="DLS_DEAD_LOCAL_STORE" />
+     </Match>
+     <!--
+       org.apache.hadoop.mapred.IndexCache is thread-safe. It does not need
+       synchronous access. 
+      -->
+     <Match>
+       <Class name="org.apache.hadoop.mapred.TaskTracker" />
+       <Field name="indexCache" />
+       <Bug pattern="IS2_INCONSISTENT_SYNC" />
+     </Match>
+    <!--
+      None of the following variables should be referenced by any thread
+      but the collection thread in MapTask
+    -->
+     <Match>
+       <Class name="org.apache.hadoop.mapred.MapTask$MapOutputBuffer" />
+       <Field name="kvindex" />
+       <Bug pattern="IS2_INCONSISTENT_SYNC" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.MapTask$MapOutputBuffer" />
+       <Field name="bufferRemaining" />
+       <Bug pattern="IS2_INCONSISTENT_SYNC" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.MapTask$MapOutputBuffer" />
+       <Field name="equator" />
+       <Bug pattern="IS2_INCONSISTENT_SYNC" />
+     </Match>
+
+    <!-- This is spurious. -->
+    <Match>
+      <Class name="org.apache.hadoop.mapred.MapTask$MapOutputBuffer$SpillThread" />
+      <Method name="run" />
+      <Bug pattern="UL_UNRELEASED_LOCK_EXCEPTION_PATH" />
+    </Match>
+
+     <Match>
+       <Class name="org.apache.hadoop.mapreduce.task.reduce.MergeThread" />
+       <Field name="inputs" />
+       <Bug pattern="IS2_INCONSISTENT_SYNC" />
+     </Match>
+     <Match>
+       <Class name="org.apache.hadoop.mapred.JobTracker" />
+       <Method name="updateTaskTrackerStatus" />
+       <Bug pattern="DLS_DEAD_LOCAL_STORE" />
+     </Match>
+
+    <!--
+     This class is unlikely to get subclassed, so ignore
+    -->
+     <Match>
+       <Class name="org.apache.hadoop.mapreduce.task.reduce.MergeManager" />
+       <Bug pattern="SC_START_IN_CTOR" />
+     </Match>
+
+    <!--
+      Do not bother if equals is not implemented. We will not need it here
+    -->
+     <Match>
+      <Class name="org.apache.hadoop.mapreduce.task.reduce.ShuffleScheduler$Penalty" />
+      <Bug pattern="EQ_COMPARETO_USE_OBJECT_EQUALS" />
+     </Match>
+
+     <Match>
+       <Class name="org.apache.hadoop.mapred.Task" />
+       <Method name="reportFatalError" />
+       <Bug pattern="DM_EXIT" />
+     </Match>
+
+     <!-- 
+        core changes 
+     -->
+     <Match>
+       <Class name="~org.apache.hadoop.*" />
+       <Bug code="MS" />
+     </Match>
+
+     <Match>
+       <Class name="org.apache.hadoop.fs.FileSystem" />
+       <Method name="checkPath" />
+       <Bug pattern="ES_COMPARING_STRINGS_WITH_EQ" />
+     </Match>
+
+     <Match>
+       <Class name="org.apache.hadoop.fs.kfs.KFSOutputStream" />
+       <Field name="path" />
+       <Bug pattern="URF_UNREAD_FIELD" />
+     </Match>
+
+     <Match>
+       <Class name="org.apache.hadoop.fs.kfs.KosmosFileSystem" />
+       <Method name="initialize" />
+       <Bug pattern="DM_EXIT" />
+     </Match>
+
+     <Match>
+       <Class name="org.apache.hadoop.io.Closeable" />
+       <Bug pattern="NM_SAME_SIMPLE_NAME_AS_INTERFACE" />
+     </Match>
+
+     <Match>
+       <Class name="org.apache.hadoop.security.AccessControlException" />
+       <Bug pattern="NM_SAME_SIMPLE_NAME_AS_SUPERCLASS" />
+     </Match>
+
+     <Match>
+       <Class name="org.apache.hadoop.record.meta.Utils" />
+       <Method name="skip" />
+       <Bug pattern="BC_UNCONFIRMED_CAST" />
+     </Match>
+
+     <!--
+        The compareTo method is actually a dummy method that just
+        throws excpetions. So, no need to override equals. Ignore
+     -->
+     <Match>
+       <Class name="org.apache.hadoop.record.meta.RecordTypeInfo" />
+       <Bug pattern="EQ_COMPARETO_USE_OBJECT_EQUALS" />
+     </Match>
+
+     <Match>
+       <Class name="org.apache.hadoop.util.ProcfsBasedProcessTree" />
+       <Bug pattern="DMI_HARDCODED_ABSOLUTE_FILENAME" />
+     </Match>
+
+     <!--
+       Streaming, Examples
+     -->
+     <Match>
+       <Class name="org.apache.hadoop.streaming.StreamUtil$TaskId" />
+       <Bug pattern="URF_UNREAD_FIELD" />
+     </Match>
+
+     <Match>
+       <Class name="org.apache.hadoop.examples.DBCountPageView" />
+       <Method name="verify" />
+       <Bug pattern="OBL_UNSATISFIED_OBLIGATION" />
+     </Match>
+
+     <Match>
+       <Class name="org.apache.hadoop.examples.ContextFactory" />
+       <Method name="setAttributes" />
+       <Bug pattern="OBL_UNSATISFIED_OBLIGATION" />
+     </Match>
+
+    <Match>
+       <Class name="org.apache.hadoop.mapred.TaskScheduler$QueueRefresher" />
+       <Bug pattern="SIC_INNER_SHOULD_BE_STATIC" />
+    </Match>
+
+    <Match>
+      <Class name="org.apache.hadoop.examples.terasort.TeraInputFormat$1" />
+      <Method name="run" />
+      <Bug pattern="DM_EXIT" />
+    </Match>
+    <Match>
+      <Class name="org.apache.hadoop.examples.terasort.TeraOutputFormat$TeraOutputCommitter"/>
+      <Bug pattern="NM_WRONG_PACKAGE_INTENTIONAL" />
+    </Match>
+    <Match>
+      <Class name="org.apache.hadoop.examples.terasort.Unsigned16" />
+      <Method name="getHexDigit"/>
+      <Bug pattern="ICAST_QUESTIONABLE_UNSIGNED_RIGHT_SHIFT" />
+     </Match>
+
+     <!-- 
+	   False positive of FindBugs complaining that initializationPoller and
+	   started were accessed through
+	   CapacitySchedulerQueueRefresher.refreshQueues without explicitly holding
+	   the lock of CapacityTaskScheduler. The lock is in fact acquired by
+	   JobTracker prior to calling QueueManager.refereshQueues - this is
+	   necessary to ensure the order of locking (TaskScheduler ->
+	   QueueManager).
+     --> 
+    <Match>
+       <Class name="org.apache.hadoop.mapred.CapacityTaskScheduler" />
+       <Field name="initializationPoller" />
+       <Bug pattern="IS2_INCONSISTENT_SYNC" />
+    </Match>
+    <Match>
+       <Class name="org.apache.hadoop.mapred.CapacityTaskScheduler" />
+       <Field name="started" />
+       <Bug pattern="IS2_INCONSISTENT_SYNC" />
+    </Match>
+  
+   <!-- Yarn excludes -->
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl" />
+    <Method name="computeSlotMillis" />
+    <Bug pattern="DB_DUPLICATE_BRACHES" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.v2.app.MRAppMaster$1" />
+    <Bug pattern="DM_EXIT" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapred.LocalContainerLauncher$SubtaskRunner" />
+    <Bug pattern="DM_EXIT" />
+  </Match>
+  <Match>
+    <Class name="~org\.apache\.hadoop\.mapreduce\.v2\.app\.job\.impl\.TaskImpl.*" />
+    <Bug pattern="BC_UNCONFIRMED_CAST" />
+  </Match>
+
+  <Match>
+    <Class name="~org\.apache\.hadoop\.mapreduce\.v2\.app\.job\.impl\.JobImpl.*" />
+    <Bug pattern="BC_UNCONFIRMED_CAST" />
+  </Match>
+  <Match>
+    <Class name="~org\.apache\.hadoop\.mapreduce\.v2\.app\.job\.impl\.TaskAttemptImpl.*" />
+    <Bug pattern="BC_UNCONFIRMED_CAST" />
+  </Match>
+  <Match>
+    <Class name="~org\.apache\.hadoop\.mapreduce\.v2\.app\.recover\.RecoveryService" />
+    <Bug pattern="BC_UNCONFIRMED_CAST" />
+  </Match>
+
+  <Match>
+    <Class name="~org\.apache\.hadoop\.mapreduce\.v2\.app\.rm\.RMContainerAllocator" />
+    <Bug pattern="BC_UNCONFIRMED_CAST" />
+  </Match>
+
+  <Match>
+    <Class name="org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl" />
+    <Method name="computeSlotMillis" />
+   <Bug pattern="DB_DUPLICATE_BRANCHES" />
+  </Match>
+
+   <Match>
+    <Package name="org.apache.hadoop.yarn.proto" />
+  </Match>
+  <Match>
+    <Class name="~org\.apache\.hadoop\.mapreduce\.v2\.proto.*" />
+  </Match>
+  
+   <Match>
+     <Class name="org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator" />
+      <Field name="mapResourceReqt" />
+     <Bug pattern="IS2_INCONSISTENT_SYNC" />
+   </Match>
+  
+   <Match>
+     <Class name="org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator" />
+      <Field name="reduceResourceReqt" />
+     <Bug pattern="IS2_INCONSISTENT_SYNC" />
+   </Match>
+   <!--
+     The above 2 fields are accessed locally and only via methods that are synchronized. 
+     -->
+  
+ </FindBugsFilter>