Duo Zhang created HBASE-19608:
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Summary: Race in MasterRpcServices.getProcedureResult
Key: HBASE-19608
URL: https://issues.apache.org/jira/browse/HBASE-19608
Project: HBase
Issue Type: Bug
Components: proc-v2
Reporter: Duo Zhang
Assignee: Duo Zhang
Fix For: 2.0.0-beta-1
In ProcedureExecutor, we only consider a procedure to be finished when it is
removed from the procedures map. But in MasterRpcServices.getProcedureResult,
we will use the state of the procedure to determine whether it is finished. If
setFailure is called, the procedure may enter the FAILED state which indicates
it is finished before being removed from the procedure map, and then causes an
assertion when we calling ProcedureExecutor.removeResult in
MasterRpcServices.getProcedureResult.
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