shangeyao opened a new issue #7867: URL: https://github.com/apache/dolphinscheduler/issues/7867
### 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 I created a workflow including switch node.   Then it caused an error. > `[INFO] 2022-01-07 10:48:22.745 org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread:[257] - process event: State Event :key: null type: TASK_STATE_CHANGE executeStatus: SUCCESS task instance id: 648 process instance id: 505 context: null [INFO] 2022-01-07 10:48:22.746 org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread:[334] - work flow 505 task 648 state:SUCCESS [ERROR] 2022-01-07 10:48:22.747 org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread:[220] - state handle error: java.lang.NullPointerException: null at org.apache.dolphinscheduler.dao.utils.DagHelper.skipTaskNode4Switch(DagHelper.java:401) at org.apache.dolphinscheduler.dao.utils.DagHelper.parseSwitchTask(DagHelper.java:393) at org.apache.dolphinscheduler.dao.utils.DagHelper.parsePostNodes(DagHelper.java:298) at org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread.submitPostNode(WorkflowExecuteThread.java:895) at org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread.taskFinished(WorkflowExecuteThread.java:365) at org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread.taskStateChangeHandler(WorkflowExecuteThread.java:318) at org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread.stateEventHandler(WorkflowExecuteThread.java:268) at org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread.handleEvents(WorkflowExecuteThread.java:216) at org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread.run(WorkflowExecuteThread.java:197) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:125) at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:57) at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:78)` In addition, task C failed to execute normally. ### What you expected to happen The state of workflow can change successfully. ### How to reproduce Above. ### Anything else Version: 2.0.2. ### Version 2.0.1 ### 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]
