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From "Jonathan Hung (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7737) prelaunch.err file not found exception on container failure
Date Thu, 11 Jan 2018 19:36:00 GMT
Jonathan Hung created YARN-7737:
-----------------------------------

             Summary: prelaunch.err file not found exception on container failure
                 Key: YARN-7737
                 URL: https://issues.apache.org/jira/browse/YARN-7737
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Jonathan Hung
            Assignee: Jonathan Hung


Hit this exception when a container failed:{noformat}2018-01-11 19:04:08,036 ERROR org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch:
Failed to get tail of the container's prelaunch error log file
java.io.FileNotFoundException: File /grid/b/tmp/userlogs/application_1515190594800_1766/container_e39_1515190594800_1766_01_000002/prelaunch.err
does not exist
        at org.apache.hadoop.fs.RawLocalFileSystem.deprecatedGetFileStatus(RawLocalFileSystem.java:641)
        at org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:930)
        at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:631)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.handleContainerExitWithFailure(ContainerLaunch.java:545)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.handleContainerExitCode(ContainerLaunch.java:511)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:319)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:93)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745){noformat}
containerLogDir is picked on container launch via {{LocalDirAllocator#getLocalPathForWrite}},
which is where it looks for {{prelaunch.err}} when the container fails. But prelaunch.err
(and prelaunch.out) are created in the first log dir (in {{ContainerLaunch#call}}: {noformat}
       exec.writeLaunchEnv(containerScriptOutStream, environment,
            localResources, launchContext.getCommands(),
            new Path(containerLogDirs.get(0)), user);{noformat}



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