cadonna commented on code in PR #15870:
URL: https://github.com/apache/kafka/pull/15870#discussion_r1591204373


##########
streams/src/main/java/org/apache/kafka/streams/processor/internals/TaskManager.java:
##########
@@ -602,6 +608,47 @@ private void removeUnusedTaskFromStateUpdater(final TaskId 
taskId) {
         tasks.addPendingTaskToCloseClean(taskId);
     }
 
+    private void addToTasksToClose(final Map<TaskId, 
CompletableFuture<StateUpdater.RemovedTaskResult>> futures,
+                                   final Set<Task> 
tasksToCloseCleanFromStateUpdater,
+                                   final Set<Task> 
tasksToCloseDirtyFromStateUpdater) {
+        iterateAndActOnFuture(futures, removedTaskResult -> {
+            final Task task = removedTaskResult.task();
+            final Optional<RuntimeException> exception = 
removedTaskResult.exception();
+            if (exception.isPresent()) {
+                tasksToCloseDirtyFromStateUpdater.add(task);

Review Comment:
   I thought that these tasks are lost anyways, so why should we bother 
throwing an exception. 



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