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Posted to yarn-issues@hadoop.apache.org by "Miklos Szegedi (JIRA)" <ji...@apache.org> on 2018/05/04 00:35:00 UTC
[jira] [Commented] (YARN-8244) ContainersLauncher.ContainerLaunch
can throw ConcurrentModificationException
[ https://issues.apache.org/jira/browse/YARN-8244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16463247#comment-16463247 ]
Miklos Szegedi commented on YARN-8244:
--------------------------------------
This happens with {{TestContainerSchedulerQueuing.testStartMultipleContainers}}.
> ContainersLauncher.ContainerLaunch can throw ConcurrentModificationException
> ----------------------------------------------------------------------------
>
> Key: YARN-8244
> URL: https://issues.apache.org/jira/browse/YARN-8244
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Miklos Szegedi
> Priority: Major
>
> {code:java}
> 2018-05-03 17:31:35,028 WARN [ContainersLauncher #1] launcher.ContainerLaunch (ContainerLaunch.java:call(329)) - Failed to launch container.
> java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
> at java.util.HashMap$EntryIterator.next(HashMap.java:1471)
> at java.util.HashMap$EntryIterator.next(HashMap.java:1469)
> at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch$ShellScriptBuilder.orderEnvByDependencies(ContainerLaunch.java:1311)
> at org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.writeLaunchEnv(ContainerExecutor.java:388)
> at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:290)
> at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:101)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> 2{code}
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