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https://issues.apache.org/jira/browse/MAPREDUCE-805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amar Kamat updated MAPREDUCE-805:
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Attachment: MAPREDUCE-805-v1.11.patch
Attaching a new patch with some bug fixes. Result of test-patch
[exec] +1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 18 new or
modified tests.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
All tests except TestReduceFetch and TestJobTrackerRestartWithLostTracker
passed on my box. Rerun of TestJobTrackerRestartWithLostTracker passed.
TestReduceFetch is a known issue.
> Deadlock in Jobtracker
> ----------------------
>
> Key: MAPREDUCE-805
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-805
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Michael Tamm
> Attachments: MAPREDUCE-805-v1.1.patch, MAPREDUCE-805-v1.11.patch,
> MAPREDUCE-805-v1.2.patch, MAPREDUCE-805-v1.3.patch, MAPREDUCE-805-v1.6.patch,
> MAPREDUCE-805-v1.7.patch
>
>
> We are running a hadoop cluster (version 0.20.0) and have detected the
> following deadlock on our jobtracker:
> {code}
> "IPC Server handler 51 on 9001":
> at
> org.apache.hadoop.mapred.JobInProgress.getCounters(JobInProgress.java:943)
> - waiting to lock <0x00007f2b6fb46130> (a
> org.apache.hadoop.mapred.JobInProgress)
> at
> org.apache.hadoop.mapred.JobTracker.getJobCounters(JobTracker.java:3102)
> - locked <0x00007f2b5f026000> (a org.apache.hadoop.mapred.JobTracker)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
> "pool-1-thread-2":
> at org.apache.hadoop.mapred.JobTracker.finalizeJob(JobTracker.java:2017)
> - waiting to lock <0x00007f2b5f026000> (a
> org.apache.hadoop.mapred.JobTracker)
> at
> org.apache.hadoop.mapred.JobInProgress.garbageCollect(JobInProgress.java:2483)
> - locked <0x00007f2b6fb46130> (a org.apache.hadoop.mapred.JobInProgress)
> at
> org.apache.hadoop.mapred.JobInProgress.terminateJob(JobInProgress.java:2152)
> - locked <0x00007f2b6fb46130> (a org.apache.hadoop.mapred.JobInProgress)
> at
> org.apache.hadoop.mapred.JobInProgress.terminate(JobInProgress.java:2169)
> - locked <0x00007f2b6fb46130> (a org.apache.hadoop.mapred.JobInProgress)
> at org.apache.hadoop.mapred.JobInProgress.fail(JobInProgress.java:2245)
> - locked <0x00007f2b6fb46130> (a org.apache.hadoop.mapred.JobInProgress)
> at
> org.apache.hadoop.mapred.EagerTaskInitializationListener$InitJob.run(EagerTaskInitializationListener.java:86)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> {code}
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