gharris1727 commented on code in PR #12920:
URL: https://github.com/apache/kafka/pull/12920#discussion_r1035223460
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connect/runtime/src/test/java/org/apache/kafka/connect/runtime/ExactlyOnceWorkerSourceTaskTest.java:
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@@ -687,7 +687,26 @@ public void testCommitFlushCallbackFailure() throws
Exception {
callback.onCompletion(failure, null);
return null;
});
- testCommitFailure(failure);
+ testCommitFailure(failure, false);
+ }
+
+ @Test
+ public void testCommitFlushAsyncCallbackFailure() throws Exception {
+ Exception failure = new RecordTooLargeException();
+ when(offsetWriter.willFlush()).thenReturn(true);
+ when(offsetWriter.beginFlush()).thenReturn(true);
+ // doFlush delegates it's callback to the producer,
+ // which delays completing the callback until commitTransaction
+ AtomicReference<Callback<Void>> callback = new AtomicReference<>();
+ when(offsetWriter.doFlush(any())).thenAnswer(invocation -> {
+ callback.set(invocation.getArgument(0));
+ return null;
+ });
+ doAnswer(invocation -> {
+ callback.get().onCompletion(failure, null);
+ throw failure;
Review Comment:
this makes a lot of sense, thanks for catching this!
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