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https://issues.apache.org/jira/browse/HADOOP-13669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Chen reopened HADOOP-13669:
--------------------------------

> KMS Server should log exceptions before throwing
> ------------------------------------------------
>
>                 Key: HADOOP-13669
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13669
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: kms
>            Reporter: Xiao Chen
>            Assignee: Suraj Acharya
>              Labels: supportability
>             Fix For: 2.8.0, 3.0.0-alpha2
>
>         Attachments: HADOOP-13369.2.patch, HADOOP-13369.patch, 
> HADOOP-13369.patch.1, HADOOP-13669.addendem2.patch, 
> HADOOP-13669.addendum.patch, trigger.patch
>
>
> In some recent investigation, it turns out when KMS throws an exception (into 
> tomcat), it's not logged anywhere and we can only see the exception message 
> from client-side, but not the stacktrace. Logging the stacktrance would help 
> debugging.



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