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https://issues.apache.org/jira/browse/HADOOP-13669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15572618#comment-15572618
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Xiao Chen commented on HADOOP-13669:
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[~jojochuang] thanks looking and kicking a rebuild.
But as you can see from the history, addendum patch didn't trigger the
pre-commit for the findbugs. So I added a trigger.patch identical to the
addendum fix, plus a line break in KMS.java, so findbugs is run in pre-commit.
As a result, findbugs is reporting the trunk version has 2 errors, while the
patched version does not have any.
Makes sense?
> 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.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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