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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-5983) Namenode shouldn't read mapred-site.xml
Date Mon, 12 Sep 2011 21:11:09 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13103050#comment-13103050
] 

Aaron T. Myers commented on HADOOP-5983:
----------------------------------------

Thanks for the update, Daryn. I agree with you that this change would in some sense be backward-incompatible,
but in a very real sense it's a "feature" that we never intended to include in the first place.
I'm certainly not married to this making it into 0.20.205 per se, but I do think it should
get fixed on branch-0.20-security, for the purpose of future releases.

> Namenode shouldn't read mapred-site.xml
> ---------------------------------------
>
>                 Key: HADOOP-5983
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5983
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: conf
>    Affects Versions: 0.20.206.0
>            Reporter: Rajiv Chittajallu
>
> The name node seem to read mapred-site.xml and fails if it can't parse it.
> 2009-06-05 22:37:15,663 FATAL org.apache.hadoop.conf.Configuration: error parsing conf
file: org.xml.sax.SAXParseException: Error attempting to parse XML file (href='/hadoop/conf/local/local-mapred-site.xml').
> 2009-06-05 22:37:15,664 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: java.lang.RuntimeException:
org.xml.sax.SAXParseException: Error attempting to parse XML file (href='/hadoop/conf/local/local-mapred-site.xml').
> In our config,  local-mapred-site.xml is included only in mapred-site.xml which we don't
push to the namenode.

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