[Solved] Zookeeper “java.net.BindException: Address already in use”


Generally we receive this issue when we trying zookeeper start again with same port while one instance of zookeeper is already running . For resolving issue follow below steps:

Exception :

[2017-05-08 13:54:00,409] 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)

Follow below steps:

  • To check zookeeper running instance and get process Id run below command
ps -ef|grep zookeeper
  • Kill this process if you want to start zookeeper again
kill -9 zookeeperProcessId
  • Restart zookeeper of you have kill zookeeper process.

Issues Solution

For more Kafka issue solution follow link Kafka and Zookeeper Issues.

Integration

Integrate Filebeat, Kafka, Logstash, Elasticsearch and Kibana

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