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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4278) cannot run two local jobs in parallel from the same gateway.
Date Fri, 28 Dec 2012 19:16:12 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13540563#comment-13540563

Hadoop QA commented on MAPREDUCE-4278:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3181//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3181//console

This message is automatically generated.
> cannot run two local jobs in parallel from the same gateway.
> ------------------------------------------------------------
>                 Key: MAPREDUCE-4278
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4278
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions:
>            Reporter: Araceli Henley
>         Attachments: MAPREDUCE-4278-2-branch1.patch, MAPREDUCE-4278-branch1.patch, MAPREDUCE-4278-trunk.patch,
> I cannot run two local mode jobs from Pig in parallel from the same gateway, this is
a typical use case. If I re-run the tests sequentially, then the test pass. This seems to
be a problem from Hadoop.
> Additionally, the pig harness, expects to be able to run Pig-version-undertest against
Pig-version-stable from the same gateway.
> To replicate the error:
> I have two clusters running from the same gateway.
> If I run the Pig regression suites nightly.conf in local mode in paralell - once on each
cluster. Conflicts in M/R local mode result in failures in the tests. 
> org.apache.hadoop.util.DiskChecker$DiskErrorException: Could not find
> output/file.out in any of the configured local directories
>         at
> org.apache.hadoop.fs.LocalDirAllocator$AllocatorPerContext.getLocalPathToRead(LocalDirAllocator.java:429)
>         at
> org.apache.hadoop.fs.LocalDirAllocator.getLocalPathToRead(LocalDirAllocator.java:160)
>         at
> org.apache.hadoop.mapred.MapOutputFile.getOutputFile(MapOutputFile.java:56)
>         at org.apache.hadoop.mapred.Task.calculateOutputSize(Task.java:944)
>         at org.apache.hadoop.mapred.Task.sendLastUpdate(Task.java:924)
>         at org.apache.hadoop.mapred.Task.done(Task.java:875)
>         at org.apache.hadoop.mapred.MapTask.run(MapTask.java:374)
> ---
> 2012-05-17 20:25:36,762 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
> -
> HadoopJobId: job_local_0001
> 2012-05-17 20:25:36,778 [Thread-3] INFO  org.apache.hadoop.mapred.Task -
> Using ResourceCalculatorPlugin : org.apache.
> hadoop.util.LinuxResourceCalculatorPlugin@ffa490e
> 2012-05-17 20:25:36,837 [Thread-3] WARN
> org.apache.hadoop.mapred.LocalJobRunner - job_local_0001
> java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
>         at java.util.ArrayList.RangeCheck(ArrayList.java:547)
>         at java.util.ArrayList.get(ArrayList.java:322)
>         at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getLoadFunc(PigInputFormat.java
> :153)
>         at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.createRecordReader(PigInputForm
> at.java:106)
>         at
> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.<init>(MapTask.java:489)
>         at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:731)
>         at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370)
>         at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:212)
> 2012-05-17 20:25:41,291 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher

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