cadonna commented on code in PR #17209:
URL: https://github.com/apache/kafka/pull/17209#discussion_r1775033648
##########
streams/src/test/java/org/apache/kafka/streams/processor/internals/TaskManagerTest.java:
##########
@@ -1243,6 +1245,50 @@ public void
shouldRetryInitializationWhenLockExceptionInStateUpdater() {
verify(stateUpdater).add(task01);
}
+ @Test
+ public void shouldRetryInitializationWhenCanNotInitializeTask() {
+ final StreamTask task00 = statefulTask(taskId00,
taskId00ChangelogPartitions)
+ .withInputPartitions(taskId00Partitions)
+ .inState(State.RESTORING).build();
+ final StandbyTask task01 = standbyTask(taskId01,
taskId01ChangelogPartitions)
+ .withInputPartitions(taskId01Partitions)
+ .inState(State.RUNNING).build();
+ final TasksRegistry tasks = mock(TasksRegistry.class);
+ when(tasks.drainPendingTasksToInit()).thenReturn(mkSet(task00,
task01));
+ doThrow(new LockException("Lock
Exception!")).when(task00).initializeIfNeeded();
+ taskManager =
setUpTaskManager(StreamsConfigUtils.ProcessingMode.AT_LEAST_ONCE, tasks, true);
+
+ taskManager.checkStateUpdater(time.milliseconds(), noOpResetter);
+
+ verify(task00).initializeIfNeeded();
+ verify(task01).initializeIfNeeded();
+ verify(tasks).addPendingTasksToInit(
+ argThat(tasksToInit -> tasksToInit.contains(task00) &&
!tasksToInit.contains(task01))
+ );
+ verify(stateUpdater, never()).add(task00);
+ verify(stateUpdater).add(task01);
+
+ taskManager.checkStateUpdater(time.milliseconds(), noOpResetter);
Review Comment:
Of course, you are right! My bad!
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