拥有18年软件开发和IT教学经验。曾任多家上市公司技术总监、架构师、项目经理、高级软件工程师等职务。 网络人气名人讲师，...
Generally, thread pools are used as singletons.
private static final ExecutorService executors = Executors.newCachedThreadPool();
There are already two thread pool instances in your code. So it showed up pool-2.
pool-2
Dear, this happened to me too, how did you solve it?
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Generally, thread pools are used as singletons.
There are already two thread pool instances in your code. So it showed up
pool-2.Dear, this happened to me too, how did you solve it?