- ::, [myid:] - WARN  [WorkerSender[myid=]:QuorumCnxManager@] - Cannot open channel to  at election address cdh03/192.168.5.148:

java.net.ConnectException: Connection refused (Connection refused)

    at java.net.PlainSocketImpl.socketConnect(Native Method)

    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:)

    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:)

    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:)

    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:)

    at java.net.Socket.connect(Socket.java:)

    at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)

    at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:)

    at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:)

    at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:)

    at java.lang.Thread.run(Thread.java:)

                - ::, [myid:] - INFO  [WorkerSender[myid=]:QuorumPeer$QuorumServer@] - Resolved hostname: cdh03 to address: cdh03/192.168.5.148

                - ::, [myid:] - WARN  [WorkerSender[myid=]:QuorumCnxManager@] - Cannot open channel to  at election address cdh04/192.168.5.149:

java.net.ConnectException: Connection refused (Connection refused)

    at java.net.PlainSocketImpl.socketConnect(Native Method)

    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:)

    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:)

    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:)

    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:)

    at java.net.Socket.connect(Socket.java:)

    at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)

    at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:)

    at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:)

    at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:)

    at java.lang.Thread.run(Thread.java:)

                - ::, [myid:] - INFO  [WorkerSender[myid=]:QuorumPeer$QuorumServer@] - Resolved hostname: cdh04 to address: cdh04/192.168.5.149

                - ::, [myid:] - WARN  [QuorumPeer[myid=]/:::::::::QuorumCnxManager@] - Cannot open channel to  at election address cdh03/192.168.5.148:

java.net.ConnectException: Connection refused (Connection refused)

解决方法：本机用节点 用  0.0.0.0  IP代替主机名

[hadoop@cdh02 ~]$ cat  /opt/software/zookeeper-3.4./conf/zoo.cfg

server.=0.0.0.0::

server.=cdh03::

server.=cdh04::

[hadoop@cdh03 ~]$ cat  /opt/software/zookeeper-3.4./conf/zoo.cfg

server.=cdh02::

server.=0.0.0.0::

server.=cdh04::

[hadoop@cdh04 ~]$ cat  /opt/software/zookeeper-3.4./conf/zoo.cfg

server.=cdh02::

server.=cdh03::

server.=0.0.0.0::

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