qinjunjerry commented on a change in pull request #17597:
URL: https://github.com/apache/flink/pull/17597#discussion_r758321643
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File path: docs/content/docs/dev/datastream/operators/asyncio.md
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@@ -194,6 +194,8 @@ The following two parameters control the asynchronous
operations:
When an async I/O request times out, by default an exception is thrown and job
is restarted.
If you want to handle timeouts, you can override the `AsyncFunction#timeout`
method.
+Make sure you call `ResultFuture.complete()` or
`ResultFuture.completeExceptionally()` when overriding
Review comment:
Did not know that. Let me check.
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