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https://issues.apache.org/jira/browse/MAPREDUCE-805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12735047#action_12735047
]
Michael Tamm commented on MAPREDUCE-805:
----------------------------------------
I just found the reason for the deadlock in the log file:
{code}
2009-07-24 14:45:49,851 INFO
org.apache.hadoop.mapred.EagerTaskInitializationListener: Initializing
job_200907241445_0001
2009-07-24 14:45:49,856 ERROR
org.apache.hadoop.mapred.EagerTaskInitializationListener: Job initialization
failed:
java.util.regex.PatternSyntaxException: Illegal/unsupported escape sequence
near index 69
jobtracker-dev.broadmail.staging_[0-9]+_job_200907241445_0001_optivo\michael.tamm_\QExtractRecipientIds:
75000000 - 85000000[1/1]\E+
^
at java.util.regex.Pattern.error(Pattern.java:1713)
at java.util.regex.Pattern.escape(Pattern.java:2177)
at java.util.regex.Pattern.atom(Pattern.java:1952)
at java.util.regex.Pattern.sequence(Pattern.java:1885)
at java.util.regex.Pattern.expr(Pattern.java:1752)
at java.util.regex.Pattern.compile(Pattern.java:1460)
at java.util.regex.Pattern.<init>(Pattern.java:1133)
at java.util.regex.Pattern.compile(Pattern.java:823)
at
org.apache.hadoop.mapred.JobHistory$JobInfo.getJobHistoryFileName(JobHistory.java:645)
at
org.apache.hadoop.mapred.JobHistory$JobInfo.logSubmitted(JobHistory.java:853)
at
org.apache.hadoop.mapred.JobInProgress.initTasks(JobInProgress.java:394)
at
org.apache.hadoop.mapred.EagerTaskInitializationListener$InitJob.run(EagerTaskInitializationListener.java:81)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
{code}
> Deadlock in Jobtracker
> ----------------------
>
> Key: MAPREDUCE-805
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-805
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Michael Tamm
>
> We are running a hadoop cluster (version 0.20.0) and have detected the
> following deadlock on our jobtracker:
> {code}
> "IPC Server handler 51 on 9001":
> at
> org.apache.hadoop.mapred.JobInProgress.getCounters(JobInProgress.java:943)
> - waiting to lock <0x00007f2b6fb46130> (a
> org.apache.hadoop.mapred.JobInProgress)
> at
> org.apache.hadoop.mapred.JobTracker.getJobCounters(JobTracker.java:3102)
> - locked <0x00007f2b5f026000> (a org.apache.hadoop.mapred.JobTracker)
> at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$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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