StephanEwen commented on a change in pull request #13423:
URL: https://github.com/apache/flink/pull/13423#discussion_r492658937
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/StreamSource.java
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@@ -107,7 +106,11 @@ public void run(final Object lockingObject,
// in theory, the subclasses of StreamSource
may implement the BoundedOneInput interface,
// so we still need the following call to end
the input
synchronized (lockingObject) {
- operatorChain.endMainOperatorInput(1);
+ if (this instanceof BoundedOneInput) {
+ ((BoundedOneInput)
this).endInput();
+ } else if (this instanceof
BoundedMultiInput) {
+ ((BoundedMultiInput)
this).endInput(1);
Review comment:
This looks tricky. The source might run at other positions than input 1.
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