Failed to bind NettyServer on /172.16.13.126:20891, cause: Address already in use: bind

引用中的错误信息"Failed to bind NettyServer on /192.168.xxx.xxx:20880, cause: Failed to bind to:/0.0.0.0:20880"表明Dubbo服务提供者在启动时遇到了绑定地址失败的问题。引用中的配置"dubbo: protocol: name: dubbo port: 20881"显示了修改了端口号为20881。而引用中的内容与问题无关，不需要引用。
根据错误信息"Failed to bind NettyServer on /172.16.13.126:20891, cause: Address already in use: bind"，这意味着在启动Dubbo服务提供者时，该IP地址和端口号已经被其他进程占用了。解决这个问题的方法是更改Dubbo服务提供者的IP地址和端口号，或者停止占用该地址和端口号的进程，然后重新启动Dubbo服务提供者。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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