akalash commented on a change in pull request #15496:
URL: https://github.com/apache/flink/pull/15496#discussion_r613835090
##########
File path:
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/tasks/StreamTaskTest.java
##########
@@ -2419,4 +2462,48 @@ public void notifyCheckpointComplete(long checkpointId) {
throw new ExpectedTestException();
}
}
+
+ public static class FailedSource extends RichParallelSourceFunction<String>
+ implements CheckpointedFunction {
+
+ private static CountDownLatch runningLatch = null;
+
+ private volatile boolean running;
+
+ public FailedSource() {
+ runningLatch = new CountDownLatch(1);
+ }
+
+ @Override
+ public void open(Configuration parameters) throws Exception {
+ running = true;
+ }
+
+ @Override
+ public void run(SourceContext<String> ctx) throws Exception {
+ runningLatch.countDown();
+ while (running) {
+ LockSupport.parkNanos(1_000);
Review comment:
Ok, I will replace it
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