Github user tillrohrmann commented on a diff in the pull request: https://github.com/apache/flink/pull/750#discussion_r38195614 --- Diff: flink-runtime/src/main/scala/org/apache/flink/runtime/taskmanager/TaskManager.scala --- @@ -411,6 +411,23 @@ class TaskManager( log.debug(s"Cannot find task to fail for execution ${executionID})") } + // stops a task + case StopTask(executionID) => + val task = runningTasks.get(executionID) + if (task != null) { + try { + task.stopExecution() + sender ! new TaskOperationResult(executionID, true) + } catch { + case t: Throwable => + sender ! new TaskOperationResult(executionID, false, t.getMessage()) --- End diff -- If this can be a user code exception, then we have to serialize it and deserialize it with the correct class loader on the receiving side. Otherwise akka will fail.
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---