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• I had searched in the issues and found no similar issues.

What happened

1. No worker:
[INFO] 2022-04-08 06:14:58.688 org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread:[309] - process event: State Event : key : null type: TASK_STATE_CHANGE executeStatus: NEED_FAULT_TOLERANCE task instance id: 8 process instance id: 7 context: null
2. Worker high load
fail to execute : ... due to no suitable worker, current task needs worker group ... to execute
3. The running task was deleted
[INFO] 2022-04-06 11:13:46.749 org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread:[301] - process event: State Event : key : null type: TASK_TIMEOUT executeStatus: null task instance id: 10277 process instance id: 6 context: null
[ERROR] 2022-04-06 11:13:46.749 org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteThread:[264] - state handle error:
java.lang.NullPointerException: null

What you expected to happen

Master should not print logs frequently.

How to reproduce

Please take a look

Anything else

No response

Version

2.0.5

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct