zookeeper脚本启动集群时报错:
2022-11-18 10:09:13,054 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumPeer$QuorumServer@185] - Resolved hostname: kafka2 to address: kafka2/10.168.204.2
2022-11-18 10:09:13,054 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@847] - Notification time out: 800
2022-11-18 10:09:13,857 [myid:1] - WARN [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@584] - Cannot open channel to 2 at election address kafka2/10.168.204.2:3288
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.connectOne(QuorumCnxManager.java:558)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:610)
at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:838)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:958)
查看防火墙是否关闭
[root@kafka1 software]# systemctl status firewalld
● firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled)
Active: active (running) since 五 2022-11-18 08:56:26 CST; 1h 15min ago
Docs: man:firewalld(1)
Main PID: 2865 (firewalld)
CGroup: /system.slice/firewalld.service
└─2865 /usr/bin/python -Es /usr/sbin/firewalld --nofork --nopid
关闭防火墙
systemctl stop firewalld
永久关闭
systemctl disable firewalld.service
