tianping526 opened a new issue, #509: URL: https://github.com/apache/rocketmq-clients/issues/509
### Before Creating the Bug Report - [X] I found a bug, not just asking a question, which should be created in [GitHub Discussions](https://github.com/apache/rocketmq-clients/discussions). - [X] I have searched the [GitHub Issues](https://github.com/apache/rocketmq-clients/issues) and [GitHub Discussions](https://github.com/apache/rocketmq-clients/discussions) of this repository and believe that this is not a duplicate. - [X] I have confirmed that this bug belongs to the current repository, not other repositories of RocketMQ. ### Programming Language of the Client Go ### Runtime Platform Environment 5.8.0-43-generic #49~20.04.1-Ubuntu SMP Fri Feb 5 09:57:56 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux ### RocketMQ Version of the Client/Server github.com/apache/rocketmq-clients/golang/v5 v5.0.1-rc.3 ### Run or Compiler Version _No response_ ### Describe the Bug rocketmq-clients/golang/[email protected]/rpc_client.go ```golang func (rc *rpcClient) GracefulStop() error { rc.mux.Lock() sugarBaseLogger.Warnf("close rpc client, target=%s", rc.target) closeResult := rc.conn.Close() rc.mux.Lock() return closeResult } ``` the GracefulStop method did not release the lock correctly ### Steps to Reproduce calling GracefulStop method in parallel, the second concurrent process will block permanently ### What Did You Expect to See? Lock is released correctly ### What Did You See Instead? Lock not released correctly ### Additional Context _No response_ -- 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]
