查看日志，显示报错
2021-09-08 18:15:25,573 [myid:3] - INFO [node03/192.168.100.211:3888:QuorumCnxManager$Listener@936] - Received connection request from /192.168.100.201:51698
2021-09-08 18:15:25,575 [myid:3] - WARN [QuorumConnectionThread-[myid=3]-4:QuorumCnxManager@381] - Cannot open channel to 1 at election address /192.168.100.201:3888
java.net.NoRouteToHostException: 没有到主机的路由 (Host unreachable)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.initiateConnection(QuorumCnxManager.java:373)
at org.apache.zookeeper.server.quorum.QuorumCnxManager$QuorumConnectionReqThread.run(QuorumCnxManager.java:436)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2021-09-08 18:15:25,974 [myid:3] - INFO [node03/192.168.100.211:3888:QuorumCnxManager$Listener@936] - Received connection request from /192.168.100.201:51702
2021-09-08 18:15:25,976 [myid:3] - WARN [QuorumConnectionThread-[myid=3]-5:QuorumCnxManager@381] - Cannot open channel to 1 at election address /192.168.100.201:3888
java.net.NoRouteToHostException: 没有到主机的路由 (Host unreachable)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.initiateConnection(QuorumCnxManager.java:373)
at org.apache.zookeeper.server.quorum.QuorumCnxManager$QuorumConnectionReqThread.run(QuorumCnxManager.java:436)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2021-09-08 18:15:26,775 [myid:3] - INFO [node03/192.168.100.211:3888:QuorumCnxManager$Listener@936] - Received connection request from /192.168.100.201:51706
2021-09-08 18:15:26,776 [myid:3] - WARN [QuorumConnectionThread-[myid=3]-5:QuorumCnxManager@381] - Cannot open channel to 1 at election address /192.168.100.201:3888
java.net.NoRouteToHostException: 没有到主机的路由 (Host unreachable)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.initiateConnection(QuorumCnxManager.java:373)
at org.apache.zookeeper.server.quorum.QuorumCnxManager$QuorumConnectionReqThread.run(QuorumCnxManager.java:436)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2021-09-08 18:15:28,376 [myid:3] - INFO [node03/192.168.100.211:3888:QuorumCnxManager$Listener@936] - Received connection request from /192.168.100.201:51710
2021-09-08 18:15:28,379 [myid:3] - WARN [QuorumConnectionThread-[myid=3]-5:QuorumCnxManager@381] - Cannot open channel to 1 at election address /192.168.100.201:3888
java.net.NoRouteToHostException: 没有到主机的路由 (Host unreachable)
/192.168.100.201:3888
java.net.NoRouteToHostException: 没有到主机的路由 (Host unreachable)
at java.net.PlainSocketImpl.socketConnect(Native Method)
host填错了
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/etc/hosts有没有写错IP
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防火墙关闭了吗最后只是一台机器的防火墙未关闭
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