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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3702) internal server error trying access application master via proxy with filter enabled
Date Fri, 20 Jan 2012 18:35:40 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13189983#comment-13189983
] 

Hadoop QA commented on MAPREDUCE-3702:
--------------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12511278/MAPREDUCE-3702.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 passed unit tests in .

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1647//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1647//console

This message is automatically generated.
                
> internal server error trying access application master via proxy with filter enabled
> ------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3702
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3702
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Thomas Graves
>            Assignee: Thomas Graves
>            Priority: Critical
>         Attachments: MAPREDUCE-3702.patch, MAPREDUCE-3702.patch
>
>
> I had a hadoop.http.filter.initializers in place to do user authentication, but was purposely
trying to let it bypass authentication on certain pages.  One of those was the proxy and the
application master main page. When I then tried to go to the application master through the
proxy it throws an internal server error:
> Problem accessing /mapreduce. Reason:
>     INTERNAL_SERVER_ERROR
> Caused by:
> java.lang.NullPointerException
> 	at org.apache.hadoop.yarn.server.webproxy.amfilter.AmIpFilter.doFilter(AmIpFilter.java:100)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> 	at org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:940)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> It looks like the problem is that AmIpFilter doesn't check for null returned from httpReq.getCookies()

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