liyang created KYLIN-1645:
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Summary: Exception inside coprocessor should report back to the
query thread
Key: KYLIN-1645
URL: https://issues.apache.org/jira/browse/KYLIN-1645
Project: Kylin
Issue Type: Bug
Reporter: liyang
Assignee: hongbin ma
Currently, exception inside coprocessor is logged at query side, but in a
separate thread. E.g.
2016-05-02 23:19:07,130 ERROR [pool-3-thread-23] v2.CubeHBaseEndpointRPC:110 :
Caught exception in thread pool-3-thread-23:
java.lang.RuntimeException: <sub-thread for GTScanRequest 7d354973> Error when
visiting cubes by endpoint
The problem is the exception does not notify the main query thread, which will
wait to timeout and throw out "Timeout visiting cube!" to client. Very
misleading.
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