hadoop-common-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5781) ProcessTree can try and kill a "null" POD
Date Thu, 07 May 2009 15:47:30 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12706944#action_12706944
] 

Steve Loughran commented on HADOOP-5781:
----------------------------------------

Full output is the kill usage manual. 

-probably best for the methods to do some parameter checking, possbly raising NPEs to track
this down

[sf-startdaemon-debug] 09/05/07 16:42:42 [Map-events fetcher for all reduce tasks on tracker_morzine.hpl.hp.com:localhost/127.0.0.1:36239]
INFO mapred.TaskTracker : Shutting down: Map-events fetcher for all reduce tasks on tracker_morzine.hpl.hp.com:localhost/127.0.0.1:36239
[sf-startdaemon-debug] 09/05/07 16:42:42 [TerminatorThread] WARN util.ProcessTree : Error
executing shell command org.apache.hadoop.util.Shell$ExitCodeException: ERROR: garbage process
ID "-null".
[sf-startdaemon-debug] Usage:
[sf-startdaemon-debug]   kill pid ...              Send SIGTERM to every process listed.
[sf-startdaemon-debug]   kill signal pid ...       Send a signal to every process listed.
[sf-startdaemon-debug]   kill -s signal pid ...    Send a signal to every process listed.
[sf-startdaemon-debug]   kill -l                   List all signal names.
[sf-startdaemon-debug]   kill -L                   List all signal names in a nice table.
[sf-startdaemon-debug]   kill -l signal            Convert between signal numbers and names.
[sf-startdaemon-debug] 09/05/07 16:42:42 [TerminatorThread] INFO util.ProcessTree : Killing
all processes in the process group null with SIGTERM. Exit code 1
[sf-startdaemon-debug] 09/05/07 16:42:42 [org.apache.hadoop.hdfs.server.namenode.FSNamesystem$ReplicationMonitor@826cdb7]
WARN namenode.FSNamesystem : ReplicationMonitor thread received InterruptedException.java.lang.InterruptedException:
sleep interrupted
[sf-startdaemon-debug] 09/05/07 16:42:42 [org.apache.hadoop.hdfs

> ProcessTree can try and kill a "null" POD
> -----------------------------------------
>
>                 Key: HADOOP-5781
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5781
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.21.0
>            Reporter: Steve Loughran
>            Priority: Minor
>
> Saw this in a test run, while trying to shut down a TaskTracker
> [sf-startdaemon-debug] 09/05/07 16:42:42 [Map-events fetcher for all reduce tasks on
tracker_morzine.hpl.hp.com:localhost/127.0.0.1:36239] INFO mapred.TaskTracker : Shutting down:
Map-events fetcher for all reduce tasks on tracker_morzine.hpl.hp.com:localhost/127.0.0.1:36239
> [sf-startdaemon-debug] 09/05/07 16:42:42 [TerminatorThread] WARN util.ProcessTree : Error
executing shell command org.apache.hadoop.util.Shell$ExitCodeException: ERROR: garbage process
ID "-null".

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message