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https://issues.apache.org/jira/browse/HADOOP-13862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17803028#comment-17803028
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Shilun Fan commented on HADOOP-13862:
-------------------------------------

Bulk update: moved all 3.4.0 non-blocker issues, please move back if it is a 
blocker. Retarget 3.5.0.

> AbstractWadlGeneratorGrammarGenerator couldn't find grammar element for class 
> java.util.Map
> -------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-13862
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13862
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: kms
>    Affects Versions: 3.0.0-alpha2
>            Reporter: John Zhuge
>            Assignee: John Zhuge
>            Priority: Minor
>
> Annoying messages in kms.log:
> {noformat}
> 2016-12-02 22:23:33,580 INFO  AbstractWadlGeneratorGrammarGenerator - 
> Couldn't find grammar element for class javax.ws.rs.core.Response
> 2016-12-02 22:23:33,580 INFO  AbstractWadlGeneratorGrammarGenerator - 
> Couldn't find grammar element for class java.util.Map
> 2016-12-02 22:23:33,580 INFO  AbstractWadlGeneratorGrammarGenerator - 
> Couldn't find grammar element for class java.util.Map
> 2016-12-02 22:23:33,580 INFO  AbstractWadlGeneratorGrammarGenerator - 
> Couldn't find grammar element for class java.util.Map
> 2016-12-02 22:23:33,581 INFO  AbstractWadlGeneratorGrammarGenerator - 
> Couldn't find grammar element for class javax.ws.rs.core.Response
> 2016-12-02 22:23:33,581 INFO  AbstractWadlGeneratorGrammarGenerator - 
> Couldn't find grammar element for class javax.ws.rs.core.Response
> 2016-12-02 22:23:33,581 INFO  AbstractWadlGeneratorGrammarGenerator - 
> Couldn't find grammar element for class java.util.Map
> {noformat}}
> http://stackoverflow.com/questions/15767973/jersey-what-does-couldnt-find-grammar-element-mean.
>  Tried disabling WADL, but KMS didn't work: {{hadoop key list}} 
> authentication failed.



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