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From "Wei Guo (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12734) NameNode with naming contained underline "_" can not be started
Date Sun, 24 Jan 2016 05:35:40 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15114206#comment-15114206
] 

Wei Guo commented on HADOOP-12734:
----------------------------------

@Steve at least a friendly warning can be given.

> NameNode with naming contained underline "_"  can not be started
> ----------------------------------------------------------------
>
>                 Key: HADOOP-12734
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12734
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: conf
>    Affects Versions: 2.7.1
>            Reporter: Wei Guo
>            Priority: Minor
>
> I wrote core-site.xml with nameNode  contains "_" char , the nameNode will not be able
to start up, which with error msg like:
> "Incorrect configuration: namenode address dfs.namenode.rpc-address is not configured"
> -->"hdp_m1:9000"
> --------------------
> <property>
> 	<name>fs.default.name</name>
> 	<value>hdfs://hdp_m1:9000</value>
> </property>
> --------------------
> NameNode starts up after removing "_".



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