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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7328) When a serializer class is missing, return null, not throw an NPE.
Date Sat, 03 Sep 2011 21:03:10 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13096759#comment-13096759

Hadoop QA commented on HADOOP-7328:

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

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

    +1 tests included.  The patch appears to include 2 new or modified tests.

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

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit

    +1 core tests.  The patch passed unit tests in hadoop-common-project.

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

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/133//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/133//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-annotations.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/133//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-auth-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/133//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/133//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-auth.html
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/133//console

This message is automatically generated.

> When a serializer class is missing, return null, not throw an NPE.
> ------------------------------------------------------------------
>                 Key: HADOOP-7328
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7328
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 0.20.2
>            Reporter: Harsh J
>            Assignee: Harsh J
>              Labels: io, serialization
>             Fix For: 0.23.0
>         Attachments: 0.22-HADOOP-7328.r7.diff, 0.23-HADOOP-7328.r7.diff, HADOOP-7328.r1.diff,
HADOOP-7328.r2.diff, HADOOP-7328.r3.diff, HADOOP-7328.r4.diff, HADOOP-7328.r4.diff, HADOOP-7328.r5.diff,
HADOOP-7328.r6.diff, HADOOP-7328.r7.diff
> When you have a key/value class that's non Writable and you forget to attach io.serializers
for the same, an NPE is thrown by the tasks with no information on why or what's missing and
what led to it. I think a better exception can be thrown by SerializationFactory instead of
an NPE when a class is not found accepted by any of the loaded ones.

This message is automatically generated by JIRA.
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