Mailing-List: contact mapreduce-issues-help@hadoop.apache.org; run by ezmlm
Precedence: bulk
Reply-To: mapreduce-issues@hadoop.apache.org
Message-ID: <418846244.1249985594813.JavaMail.jira@brutus>
Date: Tue, 11 Aug 2009 03:13:14 -0700 (PDT)
From: "Devaraj Das (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Resolved: (MAPREDUCE-805) Deadlock in Jobtracker
In-Reply-To: <1027030724.1248439575153.JavaMail.jira@brutus>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


     [ https://issues.apache.org/jira/browse/MAPREDUCE-805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Devaraj Das resolved MAPREDUCE-805.
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.20.1
     Hadoop Flags: [Reviewed]

I just committed this. Thanks, Amar!

> 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
>             Fix For: 0.20.1
>
>         Attachments: MAPREDUCE-805-v1.1.patch, MAPREDUCE-805-v1.11-branch-0.20.patch, MAPREDUCE-805-v1.11.patch, MAPREDUCE-805-v1.12-branch-0.20.patch, MAPREDUCE-805-v1.12.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}

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.