Hello, Please refer the documentation for increasing the ephemeral ports. Mostly it will solve the issue.
https://www.google.com/amp/s/www.cyberciti.biz/tips/linux-increase-outgoing-network-sockets-range.html/amp Regards, Kalai On Thu, 9 Jan, 2020, 11:14 AM JOHN, BIBIN, <bj9...@att.com> wrote: > we don’t have mirrormaker configured in this cluster. Please find output > of netstat command. > > netstat -an | wc -l > 570322 > > > -----Original Message----- > From: kalai selvan <kalaicoo...@gmail.com> > Sent: Wednesday, January 8, 2020 11:41 PM > To: users@kafka.apache.org > Subject: Re: java.net.BindException: Address already in use (Bind failed) > with kafka-topics command > > Hello, > > Looks like your server is running out of ephemeral ports. The below > command confirms it is running out of ephemeral ports. We can restart the > process to solve the issue. Must probably root cause of the issue will be > wrong configuration of mirror maker process / it is a bug. > > netstat -an | wc -l > > Regards, > Kalai > > On Thu, 9 Jan, 2020, 10:46 AM JOHN, BIBIN, <bj9...@att.com> wrote: > > > 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 > > > > >
