I have setup a host in the administration tool as follows:

-Tomcat Server
|_Service(Catalina)
 |_Host (localhost)
  |_Context (/Ikano)

For some reason when I click on the "Context(/Ikano)" link to change
some of the settings I receive an error of "HTTP Status 500 - Error
retrieving attribute debug" and the following is the output I receive in
the logs:


------------------------------------------------------------------------
-----------------
javax.management.InstanceNotFoundException:
Catalina:type=Manager,path=/ikano,host=localhost
     at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMB
eanServerInterceptor.java(Compiled
Code))
     at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(Defau
ltMBeanServerInterceptor.java(Compiled
Code))
     at
com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute (JmxMBeanServer.java(
Compiled
Code))
     at
org.apache.webapp.admin.context.EditContextAction.perform(EditContextAct
ion.java:226)
     at
org.apache.struts.action.Action.execute (Action.java:420)
     at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestPr
ocessor.java:484)
     at
org.apache.struts.action.RequestProcessor.process (RequestProcessor.java:
274)
     at
org.apache.struts.action.ActionServlet.process (ActionServlet.java:1482)
     at
org.apache.struts.action.ActionServlet.doGet (ActionServlet.java:507)
     at
javax.servlet.http.HttpServlet.service (HttpServlet.java:743)
     at
javax.servlet.http.HttpServlet.service (HttpServlet.java(Compiled
Code))
     at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java(Compiled
Code))
     at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java(Compiled
Code))
     at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
e.java(Compiled
Code))
     at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java(Compiled
Code))
     at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java(C
ompiled
Code))
     at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardCon
textValve.java(Compiled
Code))
     at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
e.java(Compiled
Code))
     at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java(Compiled
Code))
     at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authenticator
Base.java:540)
     at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java(Compiled
Code))
     at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java(C
ompiled
Code))
     at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
(Compiled
Code))
     at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java(Compiled
Code))
     at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
(Compiled
Code))
     at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java(Compiled
Code))
     at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java(C
ompiled
Code))
     at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
java(Compiled
Code))
     at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java(Compiled
Code))
     at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java(C
ompiled
Code))
     at
org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java(Compile
d
Code))
     at
org.apache.coyote.tomcat5.CoyoteAdapter.service (CoyoteAdapter.java(Compi
led
Code))
     at
org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:79
9)
     at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processC
onnection(Http11Protocol.java:705)
     at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:57
7)
     at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool
.java:683)
     at java.lang.Thread.run (Thread.java:567)

2007-02-14 10:23:27 StandardContext[/admin]action: Entered
TreeControlTestAction:perform()
2007-02-14 10:23:27 StandardContext[/admin]action: tree
param is null
2007-02-14 10:23:27 StandardContext[/admin]action: Select
event on
Catalina:j2eeType=WebModule,name=//localhost/ikano,J2EEApplication=none,
J2EEServer=none
------------------------------------------------------------------------
-----------------

I also receive an "HTTP Status 500 - Error invoking operation
removeContext" when I try to delete the Context. I can post the log
info if needed. Any ideas?

-Tomcat Version 5.0
-Red Hat EL 3

Thanks so much,
-Dana




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