Explicitly say "Hive Internal Error" to ease debugging
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Key: HIVE-1212
URL: https://issues.apache.org/jira/browse/HIVE-1212
Project: Hadoop Hive
Issue Type: Improvement
Reporter: Zheng Shao
Assignee: Zheng Shao
Our users complain that hive fails error messages like "FAILED: Unknown
exception: null".
We should explicitly mention that's an internal error of Hive, and provide more
information (stacktrace) on the screen to ease bug reporting and debugging.
In other cases, we will still put the detailed information (stacktrace) in the
log, since users should be able to figure out what's wrong with a single line
of message.
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