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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5425) Junit in TestJobHistoryServer failing in jdk 7
Date Fri, 02 Aug 2013 22:01:48 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13728184#comment-13728184

Jason Lowe commented on MAPREDUCE-5425:

Thanks for picking this up, Rob.  A few comments:

* I think launchJobHistoryServer would better reflect what the new method is doing.  testMain
could be testLaunch to match.
* style nit: comment wraps beyond 80 characters -- not sure comment itself is necessary
> Junit in TestJobHistoryServer failing in jdk 7
> ----------------------------------------------
>                 Key: MAPREDUCE-5425
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5425
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobhistoryserver
>    Affects Versions: 2.0.4-alpha
>            Reporter: Ashwin Shankar
>            Assignee: Robert Parker
>         Attachments: MAPREDUCE-5425.patch
> We get the following exception when we run the unit tests of TestJobHistoryServer with
jdk 7:
> Caused by: java.net.BindException: Problem binding to [] java.net.BindException:
Address already in use; For more details see:  http://wiki.apache.org/hadoop/BindException
> 	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:719)
> 	at org.apache.hadoop.ipc.Server.bind(Server.java:423)
> 	at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:535)
> 	at org.apache.hadoop.ipc.Server.<init>(Server.java:2202)
> 	at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:901)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server.<init>(ProtobufRpcEngine.java:505)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:480)
> 	at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:746)
> 	at org.apache.hadoop.mapreduce.v2.hs.server.HSAdminServer.serviceInit(HSAdminServer.java:100)
> 	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> This is happening because testMainMethod starts the history server and doesnt stop it.
This worked in jdk 6 because tests executed sequentially and this test was last one and didnt
affect other tests,but in jdk 7 it fails.

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