Hi, Could it be something to do with Proxmox containers? --------------- Could be but I tried VMs as well and gave me the same error
Which ZooKeeper version are u running? Zookeeper version: 3.4.10-39d3a4f269333c922ed3db283be479f9deacaa0f, built on 03/23/2017 10:13 GMT Looks like you restarted zk01 and it was trying to connect to itself. (zk001/172.31.254.56:3888) Would you please attach your Zk config files too? -------------- dataDir=/var/lib/zookeeper clientPort=2181 maxClientCnxns=0 tickTime=2000 initLimit=5 syncLimit=2 server.1=zk001:2888:3888 server.2=zk002:2888:3888 server.3=zk003:2888:3888 ------------ /etc/hosts file 172.31.254.57 zk002 172.31.254.56 zk001 172.31.254.10 zk003 Regards, Andor On Wed, Apr 4, 2018 at 10:51 PM, Rashwan, Abderahman < abderahman.rash...@bell.ca> wrote: > Hello, > > > > I have 2 servers, I installed proxmox in both and created a cluster > contains 6 kafka nodes and 3 zookeepers > > Server1: kafka1, kafka2, kafka3, zk1 > > Server2: kafka4, kafka5, kafka6, zk2 > > VM: zk3 > > > > When i shut down one server, for example server1 (kafka1, kafka2, > kafka3, zk1) and then power it up Zk01 gives me an error and can’t join > the cluster, and I got this error > > > > [2018-04-03 10:22:04,370] WARN Cannot open channel to 1 at election > address zk001/172.31.254.56:3888 (org.apache.zookeeper.server. > quorum.QuorumCnxManager) > > java.net.ConnectException: Connection refused (Connection refused) > > 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:562) > > at org.apache.zookeeper.server.quorum.QuorumCnxManager. > handleConnection(QuorumCnxManager.java:479) > > at org.apache.zookeeper.server.quorum.QuorumCnxManager. > receiveConnection(QuorumCnxManager.java:379) > > at org.apache.zookeeper.server.quorum.QuorumCnxManager$ > Listener.run(QuorumCnxManager.java:757) > > [2018-04-03 10:22:04,370] INFO Resolved hostname: zk001 to address: > zk001/ > 172.31.254.56 (org.apache.zookeeper.server.quorum.QuorumPeer) > > [2018-04-03 10:22:17,171] INFO Received connection request / > 172.31.254.56:58322 > (org.apache.zookeeper.server.quorum.QuorumCnxManager) > > [2018-04-03 10:22:17,172] WARN Cannot open channel to 1 at election > address zk001/172.31.254.56:3888 (org.apache.zookeeper.server. > quorum.QuorumCnxManager) > > java.net.ConnectException: Connection refused (Connection refused) > > > > > > > > When I restart the zookeeper service, it joined the cluster > > > > Also when I start the zookeeper service after the boot with 10 sec, it > worked > > > > What could be the cause > > > > Abderahman Rashwan > > [image: bell]Bell Network | SOC > > Network Security Engineering|Cyber Security Analyst > > T: (514) 870-7001 M: (514) 443-5820 > > C: abderahman.rash...@bell.ca > > >
