ERROR Unexpected exception exiting abnormally org apache zookeeper server ZooKeeperServerMain java net BindException Address already in use

Question

Hi everyone,

I am getting this error when try to start kafka server.

[2020-02-05 13:29:34,028] INFO Server environment:user.dir=/root/Desktop/kafka (org.apache.zookeeper.server.ZooKeeperServer)
[2020-02-05 13:29:34,073] INFO tickTime set to 3000 (org.apache.zookeeper.server.ZooKeeperServer)
[2020-02-05 13:29:34,074] INFO minSessionTimeout set to -1 (org.apache.zookeeper.server.ZooKeeperServer)
[2020-02-05 13:29:34,074] INFO maxSessionTimeout set to -1 (org.apache.zookeeper.server.ZooKeeperServer)
[2020-02-05 13:29:34,429] INFO binding to port 0.0.0.0/0.0.0.0:2181 (org.apache.zookeeper.server.NIOServerCnxnFactory)
[2020-02-05 13:29:34,438] ERROR Unexpected exception, exiting abnormally (org.apache.zookeeper.server.ZooKeeperServerMain)
java.net.BindException: Address already in use
    at sun.nio.ch.Net.bind0(Native Method)
    at sun.nio.ch.Net.bind(Net.java:433)
    at sun.nio.ch.Net.bind(Net.java:425)
    at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
    at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
    at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:67)
    at org.apache.zookeeper.server.NIOServerCnxnFactory.configure(NIOServerCnxnFactory.java:95)
    at org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:111)
    at org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:86)
    at org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:52)
    at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:116)
    at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:78)

Can anyone help me to solve this?

Thank You

Answer 1

Hi@akhtar,

Here the zookeeper service is already started in your  node. So you can stop and the zookeeper service again.

$ ./bin/zookeeper-server-start.sh config/zookeeper.properties

$ kill -9 ID

$ ./bin/zookeeper-server.stop.sh config/zookeeper.properties

Thank You