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https://issues.apache.org/jira/browse/MAPREDUCE-4467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13422209#comment-13422209
]
Hudson commented on MAPREDUCE-4467:
-----------------------------------
Integrated in Hadoop-Hdfs-trunk #1115 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1115/])
MAPREDUCE-4467. IndexCache failures due to missing synchronization (Kihwal
Lee via tgraves) (Revision 1365240)
Result = FAILURE
tgraves :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1365240
Files :
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/IndexCache.java
> IndexCache failures due to missing synchronization
> --------------------------------------------------
>
> Key: MAPREDUCE-4467
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4467
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 0.23.2
> Reporter: Andrey Klochkov
> Assignee: Kihwal Lee
> Priority: Critical
> Fix For: 0.23.3, 3.0.0, 2.2.0-alpha
>
> Attachments: mapreduce-4467.patch.txt, mapreduce-4467.patch.txt
>
>
> TestMRJobs.testSleepJob fails randomly due to synchronization error in
> IndexCache:
> {code}
> 2012-07-20 19:32:34,627 ERROR [New I/O server worker #2-1]
> mapred.ShuffleHandler (ShuffleHandler.java:exceptionCaught(528)) - Shuffle
> error:
> java.lang.IllegalMonitorStateException
> at java.lang.Object.wait(Native Method)
> at
> org.apache.hadoop.mapred.IndexCache.getIndexInformation(IndexCache.java:74)
> at
> org.apache.hadoop.mapred.ShuffleHandler$Shuffle.sendMapOutput(ShuffleHandler.java:471)
> at
> org.apache.hadoop.mapred.ShuffleHandler$Shuffle.messageReceived(ShuffleHandler.java:397)
> at
> org.jboss.netty.handler.stream.ChunkedWriteHandler.handleUpstream(ChunkedWriteHandler.java:148)
> at
> org.jboss.netty.handler.codec.http.HttpChunkAggregator.messageReceived(HttpChunkAggregator.java:116)
> at
> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:302)
> at
> org.jboss.netty.handler.codec.replay.ReplayingDecoder.unfoldAndfireMessageReceived(ReplayingDecoder.java:522)
> at
> org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(ReplayingDecoder.java:506)
> at
> org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(ReplayingDecoder.java:443)
> at
> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:274)
> at
> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:261)
> at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:349)
> at
> org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:280)
> at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:200)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {code}
> A related issue is MAPREDUCE-4384. The change introduced there removed
> "synchronized" keyword and hence "info.wait()" call fails. Tbis needs to be
> wrapped into a "synchronized" block.
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