becketqin commented on a change in pull request #15425: URL: https://github.com/apache/flink/pull/15425#discussion_r604618784
########## File path: flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/SourceOperatorStreamTask.java ########## @@ -97,6 +97,11 @@ public void init() throws Exception { inputProcessor = new StreamOneInputProcessor<>(input, output, operatorChain); } + @Override + protected void finishTask() throws Exception { + stopMailboxProcessor(); Review comment: @pnowojski @kezhuw You are right. I misread the code. If so, why do we still need to call `cancelables.close()` in `cancel()` when the completion future is completed? What is the concern of removing that section? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org