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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3532) When 0 is provided as port number in yarn.nodemanager.webapp.address, NMs webserver component picks up random port, NM keeps on Reporting 0 port to RM
Date Wed, 04 Jan 2012 19:17:39 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13179769#comment-13179769
] 

Hadoop QA commented on MAPREDUCE-3532:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12509439/MAPREDUCE-3532-1.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed these unit tests:
                  org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.TestContainersMonitor

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1535//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1535//console

This message is automatically generated.
                
> When 0 is provided as port number in yarn.nodemanager.webapp.address, NMs webserver component
picks up random port, NM keeps on Reporting 0 port to RM
> ------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3532
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3532
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 0.23.1
>            Reporter: Karam Singh
>            Priority: Critical
>         Attachments: MAPREDUCE-3532-1.patch, MAPREDUCE-3532.patch
>
>
> I tried following -:
> yarn.nodemanager.address=0.0.0.0:0
> yarn.nodemanager.webapp.address=0.0.0.0:0
> yarn.nodemanager.localizer.address=0.0.0.0:0
> mapreduce.shuffle.port=0
> When 0 is provided as number in yarn.nodemanager.webapp.address. 
> NM instantiate WebServer as 0 piort e.g.
> {code}
> 2011-12-08 11:33:02,467 INFO org.apache.hadoop.yarn.server.nodemanager.webapp.WebServer:
Instantiating NMWebApp at 0.0.0.0:0
> {code}
> After that WebServer pick up some random port e.g.
> {code}
> 2011-12-08 11:33:02,562 INFO org.apache.hadoop.http.HttpServer: Jetty bound to port 36272
> 2011-12-08 11:33:02,562 INFO org.mortbay.log: jetty-6.1.26
> 2011-12-08 11:33:02,831 INFO org.mortbay.log: Started SelectChannelConnector@0.0.0.0:36272
> 2011-12-08 11:33:02,831 INFO org.apache.hadoop.yarn.webapp.WebApps: Web app /node started
at 36272
> {code}
> And NM WebServer responds correctly but
>  RM's cluster/Nodes page shows the following -:
> {code}
> /Rack RUNNING NM:57963 NM:0 Healthy 8-Dec-2011 11:33:01 Healthy 8 12 GB 0 KB
> {code}
> Whereas NM:0 is not clickable.
> Seems even NM's webserver pick random port but it never gets updated and so NM report
0 as HTTP port to RM causing NM Hyperlinks un-clickable
> But verified that MR job runs successfully with random.

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