stalary opened a new issue, #11476: URL: https://github.com/apache/dolphinscheduler/issues/11476
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/dolphinscheduler/issues?q=is%3Aissue) and found no similar issues. ### What happened Master-server down, Failed to submit the workflow instance, will resend the workflow start event ### What you expected to happen Normal run. ### How to reproduce [ERROR] 2022-08-15 10:04:08.181 +0800 org.apache.dolphinscheduler.server.master.event.WorkflowStartEventHandler:[74] - [WorkflowInstance-0][TaskInstance-0] - Failed to submit the workflow instance, will resend the workflow start event: WorkflowEvent(workflowEventType=START_WORKFLOW, workflowInstanceId=1193) [INFO] 2022-08-15 10:04:08.181 +0800 org.apache.dolphinscheduler.server.master.runner.WorkflowEventLooper:[79] - [WorkflowInstance-1193][TaskInstance-0] - Workflow event looper receive a workflow event: WorkflowEvent(workflowEventType=START_WORKFLOW, workflowInstanceId=1193), will handle this [INFO] 2022-08-15 10:04:08.181 +0800 org.apache.dolphinscheduler.server.master.event.WorkflowEventQueue:[38] - [WorkflowInstance-0][TaskInstance-0] - Added workflow event to workflowEvent queue, event: WorkflowEvent(workflowEventType=START_WORKFLOW, workflowInstanceId=1193) [INFO] 2022-08-15 10:04:08.181 +0800 org.apache.dolphinscheduler.server.master.event.WorkflowStartEventHandler:[54] - [WorkflowInstance-1193][TaskInstance-0] - Handle workflow start event, begin to start a workflow, event: WorkflowEvent(workflowEventType=START_WORKFLOW, workflowInstanceId=1193) [ERROR] 2022-08-15 10:04:08.181 +0800 org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteRunnable:[688] - [WorkflowInstance-1194][TaskInstance-0] - Start workflow error java.lang.NullPointerException: null at org.apache.dolphinscheduler.dao.utils.DagHelper.parsePostNodes(DagHelper.java:301) at org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteRunnable.submitPostNode(WorkflowExecuteRunnable.java:1257) at org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteRunnable.call(WorkflowExecuteRunnable.java:682) at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) ### Anything else _No response_ ### Version 3.0.0 ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
