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Date: Tue, 10 Mar 2009 21:16:50 -0700 (PDT)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-5450) Add support for
 application-specific typecodes to typed bytes
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    [ https://issues.apache.org/jira/browse/HADOOP-5450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680747#action_12680747 ] 

Hadoop QA commented on HADOOP-5450:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12401846/HADOOP-5450.patch
  against trunk revision 752292.

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

    +1 tests included.  The patch appears to include 3 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 warnings.

    +1 Eclipse classpath. The patch retains Eclipse classpath integrity.

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

    -1 core tests.  The patch failed core unit tests.

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

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/46/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/46/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/46/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/46/console

This message is automatically generated.

> Add support for application-specific typecodes to typed bytes
> -------------------------------------------------------------
>
>                 Key: HADOOP-5450
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5450
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: contrib/streaming
>            Reporter: Klaas Bosteels
>            Assignee: Klaas Bosteels
>         Attachments: HADOOP-5450.patch
>
>
> For serializing objects of types that are not supported by typed bytes serialization, applications might want to use a custom serialization format. Right now, typecode 0 has to be used for the bytes resulting from this custom serialization, which could lead to problems when deserializing the objects because the application cannot know if a byte sequence following typecode 0 is a customly serialized object or just a raw sequence of bytes. Therefore, a range of typecodes that are treated as aliases for 0 should be added, such that different typecodes can be used for application-specific purposes.

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