[jira] [Created] (IMPALA-9267) Impala hits DCHECK in ClientRequestState due to invalid state transition

["Joe McDonnell (Jira)" <ji...@apache.org>]

Joe McDonnell created IMPALA-9267:
-------------------------------------

             Summary: Impala hits DCHECK in ClientRequestState due to invalid state transition
                 Key: IMPALA-9267
                 URL: https://issues.apache.org/jira/browse/IMPALA-9267
             Project: IMPALA
          Issue Type: Bug
          Components: Backend
    Affects Versions: Impala 3.4.0
            Reporter: Joe McDonnell


Some test runs see the coordinator Impalad hit this DCHECK:
{code:java}
case ExecState::FINISHED:
  // A query can transition from PENDING to FINISHED if it is cancelled by the
  // client.
  DCHECK(old_state == ExecState::PENDING || old_state == ExecState::RUNNING)
      << Substitute(
          error_msg, ExecStateToString(old_state), ExecStateToString(new_state));
  UpdateExecState(new_state);
  break;{code}
The error message is:
{noformat}
F1222 23:01:14.020613 10494 client-request-state.cc:951] Check failed: old_state == ExecState::PENDING || old_state == ExecState::RUNNING Illegal state transition: ERROR -> FINISHED{noformat}
This happened on one exhaustive run on Centos6 and an s3 run. There doesn't seem to be a pattern, so I'm assuming this is a generic issue.



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