qianye1001 opened a new pull request, #8528: URL: https://github.com/apache/rocketmq/pull/8528
<!-- Please make sure the target branch is right. In most case, the target branch should be `develop`. --> ### Which Issue(s) This PR Fixes <!-- Please ensure that the related issue has already been created, and [link this pull request to that issue using keywords](<https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword>) to ensure automatic closure. --> Fixes #8517 ### Brief Description client send UNREGISTER_CLIENT request twice may cause proxy NPE check channel is null before use it, if channel is null, log warn instead of NPE <!-- Write a brief description for your pull request to help the maintainer understand the reasons behind your changes. --> ### How Did You Test This Change? <!-- In order to ensure the code quality of Apache RocketMQ, we expect every pull request to have undergone thorough testing. --> -- 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]
