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What happened
I I updated Dolphin 3.1.6 and tested the Hive data source connection and found 5 more long links in the HiveServer2 service that did not close。
Dolphin:

hiveservice2:

api-log:

What you expected to happen
I expected hive datasource wiil be close
How to reproduce
you just test hive datasource
Anything else
No response
Version
3.1.x
Are you willing to submit PR?
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