Sailesh Mukil created IMPALA-7376:
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Summary: Impala hits a DCHECK if a fragment instance fails to
initialize the filter bank
Key: IMPALA-7376
URL: https://issues.apache.org/jira/browse/IMPALA-7376
Project: IMPALA
Issue Type: Bug
Components: Backend
Reporter: Sailesh Mukil
Assignee: Sailesh Mukil
While Prepare()-ing a fragment instance, if we fail to initialize the runtime
filter bank, we will exit FIS::Prepare() without acquiring a thread token
(AcquireThreadToken()):
https://github.com/apache/impala/blob/316b17ac55adb3d1deeb1289b4045688269b201d/be/src/runtime/fragment-instance-state.cc#L135-L139
FIS::Finalize() is called *always* regardless of whether the fragment instance
succeeded or failed. And FIS::Finalize() tries to ReleaseThreadToken() even
though it might not have gotten acquired:
https://github.com/apache/impala/blob/316b17ac55adb3d1deeb1289b4045688269b201d/be/src/runtime/fragment-instance-state.cc#L464
, causing a DCHECK to be hit.
This was found while I was adding global debug actions (IMPALA-7046) to the FIS.
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