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在netty的io线程中启动新阻塞式io操作时会触发死锁检测异常。此时如果这个io操作为创建客户端连接,可能造成连接已经创建但是由于抛出了异常导致新建的连接成了一个游离的连接无法释放。
通过以下类似的代码可以还原