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Date: Tue, 29 Sep 2015 17:44:04 +0000 (UTC)
From: "Wangda Tan (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Message-ID: <JIRA.12896521.1443223603000.104373.1443548644519@Atlassian.JIRA>
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Subject: [jira] [Commented] (HADOOP-12441) Fix kill command behavior under
 some Linux distributions.
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    [ https://issues.apache.org/jira/browse/HADOOP-12441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14935508#comment-14935508 ] 

Wangda Tan commented on HADOOP-12441:
-------------------------------------

Ran failed tests with patch locally, all passed.

> Fix kill command behavior under some Linux distributions.
> ---------------------------------------------------------
>
>                 Key: HADOOP-12441
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12441
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>            Priority: Critical
>         Attachments: HADOOP-12441.1.patch, HADOOP-12441.2.patch, HADOOP-12441.4.patch
>
>
> After HADOOP-12317, kill command's execution will be failure under Ubuntu12. After NM restarts, it cannot get if a process is alive or not via pid of containers, and it cannot kill process correctly when RM/AM tells NM to kill a container.
> Logs from NM (customized logs):
> {code}
> 2015-09-25 21:58:59,348 INFO  nodemanager.DefaultContainerExecutor (DefaultContainerExecutor.java:containerIsAlive(431)) -  ================== check alive cmd:[[Ljava.lang.String;@496e442d]
> 2015-09-25 21:58:59,349 INFO  nodemanager.NMAuditLogger (NMAuditLogger.java:logSuccess(89)) - USER=hrt_qa       IP=10.0.1.14    OPERATION=Stop Container Request        TARGET=ContainerManageImpl      RESULT=SUCCESS  APPID=application_1443218269460_0001    CONTAINERID=container_1443218269460_0001_01_000001
> 2015-09-25 21:58:59,363 INFO  nodemanager.DefaultContainerExecutor (DefaultContainerExecutor.java:containerIsAlive(438)) -  ===========================
> ExitCodeException exitCode=1: ERROR: garbage process ID "--".
> Usage:
>   kill pid ...              Send SIGTERM to every process listed.
>   kill signal pid ...       Send a signal to every process listed.
>   kill -s signal pid ...    Send a signal to every process listed.
>   kill -l                   List all signal names.
>   kill -L                   List all signal names in a nice table.
>   kill -l signal            Convert between signal numbers and names.
>         at org.apache.hadoop.util.Shell.runCommand(Shell.java:550)
>         at org.apache.hadoop.util.Shell.run(Shell.java:461)
>         at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:727)
>         at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.containerIsAlive(DefaultContainerExecutor.java:432)
>         at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.signalContainer(DefaultContainerExecutor.java:401)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.cleanupContainer(ContainerLaunch.java:419)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainersLauncher.handle(ContainersLauncher.java:139)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainersLauncher.handle(ContainersLauncher.java:55)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:175)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:108)
>         at java.lang.Thread.run(Thread.java:745)
> {code}


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