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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1347) Configuration XML bug: empty values
Date Thu, 15 Nov 2007 06:03:43 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12542679
] 

Hadoop QA commented on HADOOP-1347:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12369478/unset.patch
against trunk revision r594715.

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

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

    javac +1.  The applied patch does not generate any new compiler 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://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1097/testReport/
Findbugs warnings: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1097/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1097/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1097/console

This message is automatically generated.

> Configuration XML bug: empty values
> -----------------------------------
>
>                 Key: HADOOP-1347
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1347
>             Project: Hadoop
>          Issue Type: Bug
>          Components: conf
>            Reporter: Eelco Lempsink
>            Assignee: Rajagopal Natarajan
>            Priority: Critical
>         Attachments: unset.patch
>
>
> The configuration parser doesn't handle empty values well:
> if ("value".equals(field.getTagName()) && field.hasChildNodes())
> This logic makes it impossible to 'unset' a field when loading multiple configurations.

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