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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3675) FairScheduler: RM quits when node removal races with continousscheduling on the same node
Date Wed, 20 May 2015 21:25:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-3675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14553151#comment-14553151
] 

Hadoop QA commented on YARN-3675:
---------------------------------

\\
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  14m 34s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 1 new
or modified test files. |
| {color:green}+1{color} | javac |   7m 31s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 35s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 46s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 32s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   1m 16s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:red}-1{color} | yarn tests |  50m  4s | Tests failed in hadoop-yarn-server-resourcemanager.
|
| | |  86m 17s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.yarn.server.resourcemanager.TestRMRestart |
\\
\\
|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12734207/YARN-3675.003.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 4aa730c |
| hadoop-yarn-server-resourcemanager test log | https://builds.apache.org/job/PreCommit-YARN-Build/8030/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/8030/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf906.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/8030/console |


This message was automatically generated.

> FairScheduler: RM quits when node removal races with continousscheduling on the same
node
> -----------------------------------------------------------------------------------------
>
>                 Key: YARN-3675
>                 URL: https://issues.apache.org/jira/browse/YARN-3675
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>            Reporter: Anubhav Dhoot
>            Assignee: Anubhav Dhoot
>         Attachments: YARN-3675.001.patch, YARN-3675.002.patch, YARN-3675.003.patch
>
>
> With continuous scheduling, scheduling can be done on a node thats just removed causing
errors like below.
> {noformat}
> 12:28:53.782 AM FATAL org.apache.hadoop.yarn.server.resourcemanager.ResourceManager
> Error in handling event type APP_ATTEMPT_REMOVED to the scheduler
> java.lang.NullPointerException
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt.unreserve(FSAppAttempt.java:469)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.completedContainer(FairScheduler.java:815)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.removeApplicationAttempt(FairScheduler.java:763)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:1217)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:111)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:684)
> 	at java.lang.Thread.run(Thread.java:745)
> 12:28:53.783 AM	 INFO org.apache.hadoop.yarn.server.resourcemanager.ResourceManager Exiting,
bbye..
> {noformat}



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