Github user zentol commented on a diff in the pull request: https://github.com/apache/flink/pull/3778#discussion_r113442453 --- Diff: flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/AbstractUdfStreamOperator.java --- @@ -155,12 +155,14 @@ public void snapshotState(FSDataOutputStream out, long checkpointId, long timest @Override public void restoreState(FSDataInputStream in) throws Exception { + boolean readFlag = false; --- End diff -- the variable name is a bit ambiguous, (it could also mean "you have to read the flag".
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