Hello,
I am new to CDH4, my zookeeper worked fine but now is in bad health.
I can not start and I'll get this error
ERROR org.apache.zookeeper.server.ZooKeeperServerMain
Unexpected exception, exiting abnormally
java.net.BindException: Address already in use
at sun.nio.ch.Net.bind(Native Method)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:126)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:52)
at org.apache.zookeeper.server.NIOServerCnxnFactory.configure(NIOServerCnxnFactory.java:100)
at org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:115)
at org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:91)
at org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:53)
at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:121)
at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:79)