[jira] [Created] (YARN-8244) ContainersLauncher.ContainerLaunch can throw ConcurrentModificationException

["Miklos Szegedi (JIRA)" <ji...@apache.org>]

Miklos Szegedi created YARN-8244:
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             Summary: 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


{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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