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https://issues.apache.org/jira/browse/IMPALA-4713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-4713.
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Resolution: Won't Fix
I think this is currently too vague to be useful. I think this specific bug
might have been because the JVM doesn't always create stack traces for NPE:
https://stackoverflow.com/questions/2411487/nullpointerexception-in-java-with-no-stacktrace
Anyway, we should file JIRAs for more specific issues as we encounter them.
> Java backtrace should be logged for all frontend errors
> -------------------------------------------------------
>
> Key: IMPALA-4713
> URL: https://issues.apache.org/jira/browse/IMPALA-4713
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 2.6.0
> Reporter: Tim Armstrong
> Priority: Major
> Labels: ramp-up, supportability
>
> I'm trying to debug failure queries where an IllegalStateException is thrown
> wrapping a NullPointerException from an "invalidate metadata <table>" query.
> The error message shows up in impala-shell but it doesn't appear that the
> Java backtrace is logged anywhere in the logs. This makes it impossible to
> determine where the NPE has come from.
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