Red Hat Fuse 7.8 on Karaf can be accessed with client script.

Issue

• The following error while executing the FUSE_HOME/bin/client script to connect to Red Hat Fuse 7.8 on Karaf.

slf4j-api-1.7.22.redhat-2.jar org.apache.karaf.client.Main
Error: Exception thrown by the agent : java.rmi.server.ExportException: Port already in use: 9003; nested exception is:
   java.net.BindException: Address already in use (Bind failed)
sun.management.AgentConfigurationError: java.rmi.server.ExportException: Port already in use: 9003; nested exception is:
   java.net.BindException: Address already in use (Bind failed)
   at sun.management.jmxremote.ConnectorBootstrap.startRemoteConnectorServer(ConnectorBootstrap.java:480)
   at sun.management.Agent.startAgent(Agent.java:262)
   at sun.management.Agent.startAgent(Agent.java:452)
Caused by: java.rmi.server.ExportException: Port already in use: 9003; 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:412)
   at sun.rmi.transport.LiveRef.exportObject(LiveRef.java:147)
   at sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:237)
   at sun.rmi.registry.RegistryImpl.setup(RegistryImpl.java:213)
   at sun.rmi.registry.RegistryImpl.<init>(RegistryImpl.java:173)
   at sun.management.jmxremote.SingleEntryRegistry.<init>(SingleEntryRegistry.java:49)
   at sun.management.jmxremote.ConnectorBootstrap.exportMBeanServer(ConnectorBootstrap.java:816)
   at sun.management.jmxremote.ConnectorBootstrap.startRemoteConnectorServer(ConnectorBootstrap.java:468)
   ... 2 more

• However when we remove below jmx configuration in setenv file , it is working.

export EXTRA_JAVA_OPTS="-Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.port=9003 -Dcom.sun.management.jmxremote.password.file=/some/path/jmxremote.password -Dcom.sun.management.jmxremote.access.file=/some/path/jmxremote.access -Dcom.sun.management.jmxremote.ssl=false"

• Note - Same configuration is working fine with FUSE 7.7.