[ https://issues.apache.org/jira/browse/MAPREDUCE-4467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kihwal Lee updated MAPREDUCE-4467: ---------------------------------- Fix Version/s: 2.2.0-alpha 3.0.0 0.23.3 Status: Patch Available (was: Open) > 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 > Fix For: 0.23.3, 3.0.0, 2.2.0-alpha > > Attachments: 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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira