Could you please let me know why sometimes I am getting, below exception?
Cluster is up and running. Kafka and ZK is running in same server. We also have
jmx exporter configured for monitoring.
kafka-topics --zookeeper localhost:2181 --list
Error: Exception thrown by the agent : java.rmi.server.ExportException: Port
already in use: 0; nested exception is:
java.net.BindException: Address already in use (Bind failed)
sun.management.AgentConfigurationError: java.rmi.server.ExportException: Port
already in use: 0; nested exception is:
java.net.BindException: Address already in use (Bind failed)
at
sun.management.jmxremote.ConnectorBootstrap.startLocalConnectorServer(ConnectorBootstrap.java:553)
at sun.management.Agent.startLocalManagementAgent(Agent.java:137)
at sun.management.Agent.startAgent(Agent.java:265)
at sun.management.Agent.startAgent(Agent.java:452)
Caused by: java.rmi.server.ExportException: Port already in use: 0; nested
exception is:
java.net.BindException: Address already in use (Bind failed)
at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:346)
at
sun.rmi.transport.tcp.TCPTransport.exportObject(TCPTransport.java:254)
at sun.rmi.transport.tcp.TCPEndpoint.exportObject(TCPEndpoint.java:411)
at sun.rmi.transport.LiveRef.exportObject(LiveRef.java:147)
at
sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:236)
at
sun.management.jmxremote.ConnectorBootstrap$PermanentExporter.exportObject(ConnectorBootstrap.java:199)
at
javax.management.remote.rmi.RMIJRMPServerImpl.export(RMIJRMPServerImpl.java:146)
at
javax.management.remote.rmi.RMIJRMPServerImpl.export(RMIJRMPServerImpl.java:122)
at
javax.management.remote.rmi.RMIConnectorServer.start(RMIConnectorServer.java:404)
at
sun.management.jmxremote.ConnectorBootstrap.startLocalConnectorServer(ConnectorBootstrap.java:550)
... 3 more
Caused by: java.net.BindException: Address already in use (Bind failed)
at java.net.PlainSocketImpl.socketBind(Native Method)
at
java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:387)
at java.net.ServerSocket.bind(ServerSocket.java:375)
at java.net.ServerSocket.<init>(ServerSocket.java:237)
at java.net.ServerSocket.<init>(ServerSocket.java:128)
at
sun.management.jmxremote.LocalRMIServerSocketFactory$1.<init>(LocalRMIServerSocketFactory.java:49)
at
sun.management.jmxremote.LocalRMIServerSocketFactory.createServerSocket(LocalRMIServerSocketFactory.java:49)
at
sun.rmi.transport.tcp.TCPEndpoint.newServerSocket(TCPEndpoint.java:666)
at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:335)
... 12 more
