Fix a bug in some cases that RPC close would not be called #17054
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What type of PR is this?
Which issue(s) this PR fixes:
issue #16741
What this PR does / why we need it:
修了网络自己发生错误的情况下,不会调用rpc.close()方法的错误,这可能会导致查询结束后资源不被释放。