ERROR [main:QuorumPeerMain@113] - Unexpected exception, exiting abnormally java.net.BindException: Address already in use

回答: 根据报错信息，出现了"Address already in use"的错误，这意味着zookeeper的2181端口已经被占用了。有几种可能性导致这个问题：一是zookeeper没有正常关闭，导致2181端口没有释放；二是其他应用程序占用了2181端口。你可以通过以下几种方法来解决这个问题：首先，可以打开终端，使用命令"netstat -ano|findstr "2181""来查看占用2181端口的进程。\[1\]其次，你可以使用命令"sudo kill -9 <进程ID>"来终止占用2181端口的进程，然后重新启动zookeeper。\[2\]最后，你可以重启zookeeper来释放2181端口。\[2\]希望这些方法能够帮助你解决问题。
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