[jira] [Created] (FLINK-4534) Lack of synchronization in BucketingSink#restoreState() w.r.t. state.bucketStates

[Shang Yuanchun (Jira)]

Ted Yu created FLINK-4534:
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             Summary: Lack of synchronization in BucketingSink#restoreState() w.r.t. state.bucketStates
                 Key: FLINK-4534
                 URL: https://issues.apache.org/jira/browse/FLINK-4534
             Project: Flink
          Issue Type: Bug
            Reporter: Ted Yu


Iteration over state.bucketStates is protected by synchronization in other methods, except for the following in restoreState():
{code}
    for (BucketState<T> bucketState : state.bucketStates.values()) {
{code}



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