Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/2652#discussion_r83801277
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/taskmanager/TaskTest.java
---
@@ -565,6 +568,50 @@ public void testOnPartitionStateUpdate() throws
Exception {
verify(inputGate,
times(1)).retriggerPartitionRequest(eq(partitionId.getPartitionId()));
}
+ /**
+ * Task cancellation blocks the task canceller. Interrupt after cancel
via
+ * cancellation watch dog.
+ */
+ @Test
+ public void testTaskCancelWatchDog() throws Exception {
+ Configuration config = new Configuration();
+
config.setLong(ConfigConstants.TASK_CANCELLATION_INTERVAL_MILLIS, 100);
+
config.setLong(ConfigConstants.TASK_CANCELLATION_TIMEOUT_MILLIS, 1000);
+
+ Task task = createTask(InvokableBlockingInCancel.class, config);
+ task.startTaskThread();
+
+ awaitLatch.await();
+
+ task.cancelExecution();
+
+ triggerLatch.await();
+ }
+
+ @Test
+ public void testReportFatalErrorAfterCancellationTimeout() throws
Exception {
+ Configuration config = new Configuration();
+
config.setLong(ConfigConstants.TASK_CANCELLATION_INTERVAL_MILLIS, 10);
+
config.setLong(ConfigConstants.TASK_CANCELLATION_TIMEOUT_MILLIS, 200);
+
+ Task task = createTask(InvokableBlockingInvokeAndCancel.class,
config);
+ task.startTaskThread();
+
+ awaitLatch.await();
+
+ task.cancelExecution();
+
+ for (int i = 0; i < 10; i++) {
+ Object msg = taskManagerMessages.poll(1,
TimeUnit.SECONDS);
+ if (msg instanceof TaskManagerMessages.FatalError) {
+ System.out.println(msg);
--- End diff --
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