TC 5: Support for multiple Coyote JK-Pools

[Rainer Jung]

Am I right, that by design TC 5 only fully supports one Coyote JK pool 
at the moment?

I enabled JMX HTTP adaptor via mx.enabled=true. Obviously 
org.apache.jk.common.JkMX tries to initialize the JMX HTTP adaptor not 
only once, but for every Coyote JK pool configured in server.xml. For 
the second pool I get an exception when starting tomcat (see below).

When trying to stop TC, the Coyote HTTP pool is shut down correctly, and 
one of the two JK pools doesn't listen any more, but the second JK pool 
still listens and TC does not shut down. Retrying shutdown does not 
help, the process is still alive.

Any plans (or work already done) to refactor JkMain/JkMX for 5.next?
Rainer Jung
Exception during start:
2004-07-26 12:37:58,929 (main) org.apache.jk.common.JkMX/ERROR: Can't 
load the MX4J http adapter
javax.management.InstanceAlreadyExistsException: Http:name=HttpAdaptor
        at mx4j.server.MBeanServerImpl.register(MBeanServerImpl.java:1123)
        at 
mx4j.server.MBeanServerImpl.registerImpl(MBeanServerImpl.java:1054)
        at 
mx4j.server.MBeanServerImpl.registerMBeanImpl(MBeanServerImpl.java:1002)
        at 
mx4j.server.MBeanServerImpl.registerMBean(MBeanServerImpl.java:978)
        at org.apache.jk.common.JkMX.registerObject(JkMX.java:314)
        at org.apache.jk.common.JkMX.loadAdapter(JkMX.java:157)
        at org.apache.jk.common.JkMX.init(JkMX.java:268)
        at org.apache.jk.server.JkMain.start(JkMain.java:339)
        at 
org.apache.jk.server.JkCoyoteHandler.start(JkCoyoteHandler.java:193)
        at 
org.apache.coyote.tomcat5.CoyoteConnector.start(CoyoteConnector.java:1527)
        at 
org.apache.catalina.core.StandardService.start(StandardService.java:489)
        at 
org.apache.catalina.core.StandardServer.start(StandardServer.java:2313)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:556)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:284)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:422)


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