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From "Rama, Ramasamy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4944) Allow Xinclude in hadoop config file
Date Fri, 23 Jan 2009 20:51:59 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12666697#action_12666697

Rama, Ramasamy commented on HADOOP-4944:

That was the original idea, but xerces currently doesn’t support xpointer() scheme (http://xerces.apache.org/xerces2-j/faq-xinclude.html#faq-8)
and got the following error:

hadoop5224.snc1.facebook.com: [Warning] hadoop-site.xml:9:147: SchemeUnsupported: The XPointer
scheme 'xpointer' is not supported.
2009-01-23 12:28:49,678 FATAL org.apache.hadoop.conf.Configuration: error parsing conf file:
org.xml.sax.SAXParseException: An 'include' failed, and no 'fallback' element was found.
2009-01-23 12:28:49,679 ERROR org.apache.hadoop.mapred.TaskTracker: Can not start task tracker
because java.lang.RuntimeException: org.xml.sax.SAXParseException: An 'include' failed, and
no 'fallback' element was found.
        at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:912)

> Allow Xinclude in hadoop config file
> ------------------------------------
>                 Key: HADOOP-4944
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4944
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: conf
>            Reporter: Rama, Ramasamy
>            Assignee: Rama, Ramasamy
>            Priority: Minor
>             Fix For: 0.20.0
>         Attachments: configInclude2.patch, includes_in_conf.diff.txt
> It would be easier to mange the configuration of hadoop by allowing include files in
configuration file (file: hadoop-site.xml)

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