njnu-seafish commented on code in PR #17821:
URL:
https://github.com/apache/dolphinscheduler/pull/17821#discussion_r2681026295
##########
dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/engine/WorkflowEventBusFireWorker.java:
##########
@@ -128,6 +131,19 @@ private void doFireSingleWorkflowEventBus(final
IWorkflowExecutionRunnable workf
ThreadUtils.sleep(5_000);
return;
}
+
+ // If task initializeTaskExecutionContext before dispatch is
failed
+ // construct and publish a dedicated TaskFatalLifecycleEvent
+ // so that the event will be handled by
TaskFatalLifecycleEventHandler
Review Comment:
> Mainly because I noticed you previously added explanatory comments at key
points.
// If the database connection is failed, do not remove the
event from the event bus
// so that the event can be fired again when the database
connection is recovered
if (ExceptionUtils.isDatabaseConnectedFailedException(ex)) {
workflowEventBus.publish(lifecycleEvent);
ThreadUtils.sleep(5_000);
return;
}
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