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https://issues.apache.org/jira/browse/HADOOP-13862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17896652#comment-17896652
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Alexandre Helmer commented on HADOOP-13862:
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It is similar to this: [HADOOP-11461] Namenode stdout log contains
IllegalAccessException - ASF JIRA (apache.org)
You can disable these logs by updating your java logging configuration file with
{code:java}
com.sun.jersey.server.wadl.generators.AbstractWadlGeneratorGrammarGenerator.level=OFF{code}
> 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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