onejimmyboy opened a new issue, #8407: URL: https://github.com/apache/rocketmq/issues/8407
### 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/discussions). - [X] I have searched the [GitHub Issues](https://github.com/apache/rocketmq/issues) and [GitHub Discussions](https://github.com/apache/rocketmq/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. ### Runtime platform environment centos 7 ### RocketMQ version rocketmq 5.1.3 ### JDK Version openjdk1.8 ### Describe the Bug 使用官方的异步发送消息例子，将messageCount调成1W时，执行报错，报错信息如下  ### Steps to Reproduce broker：5.1.3 client：5.1.3 使用官方的例子，异步发送报错，demo为  ### What Did You Expect to See? 全部发送成功 ### What Did You See Instead? 很多消息发送失败 ### 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]
