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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3385) Race condition: KeeperException$NoNodeException will cause RM shutdown during ZK node deletion.
Date Sun, 22 Mar 2015 23:13:10 GMT

    [ https://issues.apache.org/jira/browse/YARN-3385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14375212#comment-14375212
] 

Hadoop QA commented on YARN-3385:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12706414/YARN-3385.000.patch
  against trunk revision 4cd54d9.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/7069//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/7069//console

This message is automatically generated.

> Race condition: KeeperException$NoNodeException will cause RM shutdown during ZK node
deletion.
> -----------------------------------------------------------------------------------------------
>
>                 Key: YARN-3385
>                 URL: https://issues.apache.org/jira/browse/YARN-3385
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>            Priority: Critical
>         Attachments: YARN-3385.000.patch
>
>
> Race condition: KeeperException$NoNodeException will cause RM shutdown during ZK node
deletion(Op.delete).
> The race condition is similar as YARN-2721 and YARN-3023.
> since the race condition exists for ZK node creation, it should also exist for  ZK node
deletion.
> We see this issue with the following stack trace:
> {code}
> 2015-03-17 19:18:58,958 FATAL org.apache.hadoop.yarn.server.resourcemanager.ResourceManager:
Received a org.apache.hadoop.yarn.server.resourcemanager.RMFatalEvent of type STATE_STORE_OP_FAILED.
Cause:
> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode
> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:111)
> 	at org.apache.zookeeper.ZooKeeper.multiInternal(ZooKeeper.java:945)
> 	at org.apache.zookeeper.ZooKeeper.multi(ZooKeeper.java:911)
> 	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$4.run(ZKRMStateStore.java:857)
> 	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$4.run(ZKRMStateStore.java:854)
> 	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithCheck(ZKRMStateStore.java:973)
> 	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKAction.runWithRetries(ZKRMStateStore.java:992)
> 	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doMultiWithRetries(ZKRMStateStore.java:854)
> 	at org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.removeApplicationStateInternal(ZKRMStateStore.java:647)
> 	at org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.handleStoreEvent(RMStateStore.java:691)
> 	at org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$ForwardingEventHandler.handle(RMStateStore.java:766)
> 	at org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore$ForwardingEventHandler.handle(RMStateStore.java:761)
> 	at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:173)
> 	at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:106)
> 	at java.lang.Thread.run(Thread.java:745)
> 2015-03-17 19:18:58,959 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1
> {code}



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