We're using Tomcat 5.0.28 which is fronted by Apache 1.3.29 + modjk 1.2.6

We're seeing this error message in the logs occasionally. The error occurs at any time interval AFTER tomcat has been started up - two hours was the last time it occured after startup.

This server is one of two in a (jk) load balanced configuration - they do not use or share sessions and act purely as image servers (from a db + file system).

13-Jan-2005 17:27:36 org.apache.commons.modeler.Registry registerComponent
SEVERE: Error registering Catalina:type=RequestProcessor,worker=jk-8009,name=JkRequest129
javax.management.InstanceAlreadyExistsException: Catalina:type=RequestProcessor,worker=jk-8009,name=JkRequest129
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.commons.modeler.Registry.registerComponent(Registry.java:871)
at org.apache.jk.common.ChannelSocket.registerRequest(ChannelSocket.java:436)
at org.apache.jk.common.HandlerRequest.decodeRequest(HandlerRequest.java:443)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:352)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:675)
at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:534)
13-Jan-2005 17:27:36 org.apache.jk.common.ChannelSocket registerRequest
WARNING: Error registering request


Does anyone know if this is this serious? And do you think that this TC instance is still able to serve requests. (Because this is our production environment we can't do much testing with these servers and haven't seen the error on our development servers).

Thanks for any insight or help.

John Sidney-Woollett



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