Ted Yu created FLINK-6400:
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Summary: Lack of protection accessing masterHooks in
CheckpointCoordinator#triggerCheckpoint
Key: FLINK-6400
URL: https://issues.apache.org/jira/browse/FLINK-6400
Project: Flink
Issue Type: Bug
Reporter: Ted Yu
Priority: Minor
Here is related code:
{code}
synchronized (triggerLock) {
...
try {
List<MasterState> masterStates =
MasterHooks.triggerMasterHooks(masterHooks.values(),
{code}
masterHooks is protected by lock in other methods while triggerLock is only
used in CheckpointCoordinator#triggerCheckpoint()
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