[Bug] Flink restapi watching threads accumulate and blocked

[SusubingYi]

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

Java Version

1.8

Scala Version

2.12.x

StreamPark Version

2.1.1

Flink Version

1.14

deploy mode

yarn-application

What happened

The large amount of waiting threads in the Flink REST API watching executor leads to the accumulation of waiting, causing the failure of the streaming application state monitoring.

Error Exception

No response

Screenshots

Are you willing to submit PR?

• [ ] Yes I am willing to submit a PR!(您是否要贡献这个PR?)

Code of Conduct

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

[conorzhao]

We maintained around 700 jobs and frequently encountered thread blocking issues. Only by restarting the service can we recover.