JON Agent fails to start on 2 or more servers, with shared home directory, due to "Cannot assign requested address"

Solution Verified - Updated -

Issue

  • Cannot start JBoss Operations Network (JON) agent  on 2 or more servers
  • Get the following exception when starting rhq-agent on other servers
    Failed to start the agent
java.net.BindException: Cannot assign requested address
        at java.net.PlainSocketImpl.socketBind(Native Method)
        at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:383)
        at java.net.ServerSocket.bind(ServerSocket.java:328)
        at java.net.ServerSocket.<init>(ServerSocket.java:194)
        at javax.net.DefaultServerSocketFactory.createServerSocket(ServerSocketFactory.java:170)
        at org.jboss.remoting.transport.socket.SocketServerInvoker.createServerSocket(SocketServerInvoker.java:264)
        at org.jboss.remoting.transport.socket.SocketServerInvoker.start(SocketServerInvoker.java:193)
        at org.jboss.remoting.transport.Connector.start(Connector.java:324)
        at org.rhq.enterprise.communications.ServiceContainer.setupServerConnector(ServiceContainer.java:1226)
        at org.rhq.enterprise.communications.ServiceContainer.start(ServiceContainer.java:550)
        at org.rhq.enterprise.communications.ServiceContainer.start(ServiceContainer.java:468)
        at org.rhq.enterprise.agent.AgentMain.startCommServices(AgentMain.java:2148)
        at org.rhq.enterprise.agent.AgentMain.start(AgentMain.java:636)
        at org.rhq.enterprise.agent.AgentMain.main(AgentMain.java:413)
Agent will be restarted soon to see if the failure condition cleared up
  • First agent fails to start due to "Cannot assign requested address" after second agent is configured
  • First agent is attempting to start using second agent's address
  • Agent is attempting to start using the configuration of another agent from the JON system
  • Unable to start agent on multiple machines that share the same user home directory

Environment

  • JBoss Operations Network (JON) 2.4.1
  • JON Agent
  • JON Agent host machines using a shared user or service account home directory

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