dawidwys commented on a change in pull request #16184:
URL: https://github.com/apache/flink/pull/16184#discussion_r669564296
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/SourceStreamTask.java
##########
@@ -158,7 +158,16 @@ protected void
processInput(MailboxDefaultAction.Controller controller) throws E
// compatibility reasons with the current source interface (source
functions run as a loop,
// not in steps).
sourceThread.setTaskDescription(getName());
- sourceThread.start();
+
+ if (operatorChain.isFinishedOnRestore()) {
+ LOG.debug(
+ "Legacy source {} skip execution since the task is
finished on restore",
+ getTaskNameWithSubtaskAndId());
+ sourceThread.getCompletionFuture().complete(null);
Review comment:
Yes, you are right!
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