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https://issues.apache.org/jira/browse/YARN-8209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16459922#comment-16459922
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Eric Yang commented on YARN-8209:
---------------------------------
{quote}I personally would rather get the actual exit code from the docker
inspect command logged in the NM logs rather than an exit code that meant
"docker failed in some way" that hides the specific exit code from the docker
command.{quote}
There is no guarantee that system administrator have the programming knowledge
to determine when a exit code is coming from container-executor or docker. It
will be extra confusing when it is not stated clearly. It would be nice to log
exit code from docker instead of allowing exit_code of docker to report in
place of container-executor.
> NPE in DeletionService
> ----------------------
>
> Key: YARN-8209
> URL: https://issues.apache.org/jira/browse/YARN-8209
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Chandni Singh
> Assignee: Eric Badger
> Priority: Major
> Attachments: YARN-8209.001.patch, YARN-8209.002.patch
>
>
> {code:java}
> 2018-04-25 23:38:41,039 WARN concurrent.ExecutorHelper
> (ExecutorHelper.java:logThrowableFromAfterExecute(63)) - Caught exception in
> thread DeletionService #1:
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.docker.DockerClient.writeCommandToTempFile(DockerClient.java:109)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.docker.DockerCommandExecutor.executeDockerCommand(DockerCommandExecutor.java:85)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.docker.DockerCommandExecutor.executeStatusCommand(DockerCommandExecutor.java:192)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.docker.DockerCommandExecutor.getContainerStatus(DockerCommandExecutor.java:128)
> at
> org.apache.hadoop.yarn.server.nodemanager.LinuxContainerExecutor.removeDockerContainer(LinuxContainerExecutor.java:935)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.deletion.task.DockerContainerDeletionTask.run(DockerContainerDeletionTask.java:61)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> 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){code}
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