[ 
https://issues.apache.org/jira/browse/YARN-2219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14064902#comment-14064902
 ] 

Hudson commented on YARN-2219:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #1834 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1834/])
YARN-2219. Addendum patch for YARN-2219 (jianhe: 
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1611240)
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestFifoScheduler.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairSchedulerTestBase.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java
YARN-2219. Changed ResourceManager to avoid AMs and NMs getting exceptions 
after RM recovery but before scheduler learns about apps and app-attempts. 
Contributed by Jian He. (vinodkv: 
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1611222)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/AppAddedSchedulerEvent.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/AppAttemptAddedSchedulerEvent.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestFifoScheduler.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestWorkPreservingRMRestart.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairSchedulerTestBase.java
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java


> AMs and NMs can get exceptions after recovery but before scheduler knowns 
> apps and app-attempts
> -----------------------------------------------------------------------------------------------
>
>                 Key: YARN-2219
>                 URL: https://issues.apache.org/jira/browse/YARN-2219
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Ashwin Shankar
>            Assignee: Jian He
>             Fix For: 2.6.0
>
>         Attachments: YARN-2219-fix-compilation-failure.txt, 
> YARN-2219.1.patch, YARN-2219.2.patch
>
>
> {code}
> org.apache.hadoop.yarn.server.resourcemanager.TestWorkPreservingRMRestart
> testAppReregisterOnRMWorkPreservingRestart[0](org.apache.hadoop.yarn.server.resourcemanager.TestWorkPreservingRMRestart)
>   Time elapsed: 4.335 sec  <<< ERROR!
> java.lang.NullPointerException: null
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler.getTransferredContainers(AbstractYarnScheduler.java:91)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService.registerApplicationMaster(ApplicationMasterService.java:297)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.MockAM$1.run(MockAM.java:113)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.MockAM$1.run(MockAM.java:110)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at javax.security.auth.Subject.doAs(Subject.java:396)
>       at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1626)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.MockAM.registerAppAttempt(MockAM.java:109)
>       at 
> org.apache.hadoop.yarn.server.resourcemanager.TestWorkPreservingRMRestart.testAppReregisterOnRMWorkPreservingRestart(TestWorkPreservingRMRestart.java:562)
> {code}



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