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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3093) ma/reduce throws the following exception if "io.serializations" is not set:
Date Tue, 01 Apr 2008 15:36:25 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12584186#action_12584186

Hadoop QA commented on HADOOP-3093:

-1 overall.  Here are the results of testing the latest attachment 
against trunk revision 643282.

    @author +1.  The patch does not contain any @author tags.

    tests included -1.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new javac compiler warnings.

    release audit +1.  The applied patch does not generate any new release audit warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2111/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2111/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2111/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2111/console

This message is automatically generated.

> ma/reduce throws the following exception if "io.serializations" is not set:
> ---------------------------------------------------------------------------
>                 Key: HADOOP-3093
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3093
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.17.0
>            Reporter: Runping Qi
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.17.0
>         Attachments: patch-3093.txt, patch-3093.txt
> map/reduce throws the following exception if "io.serializations" is not set:
> java.lang.NullPointerException
>         at org.apache.hadoop.io.serializer.SerializationFactory.<init>(SerializationFactory.java:52)
>         at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.<init>(MapTask.java:325)
>         at org.apache.hadoop.mapred.MapTask.run(MapTask.java:177)
>         at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2073)
> Map/reduce should use org.apache.hadoop.io.serializer.WritableSerialization as the default
class as it had in the past.

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