This is very valuable information to have, thanks!
One thing: is there an issue with the "glog.webserver.session.SessionViewerServlet"? Every time I try to use this (and how I would like to use this one!) I get an error which I have pasted at the end of this message.
Do I need to change a parameter setting to make this active of should it work by default?
The error:
HTTP Status 500 - type Exception report
message description The server encountered an internal error () that prevented it from fulfilling this request. exception
javax.servlet.ServletException: Error allocating a servlet instance
org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:105)
org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:14

org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyo teHandler.java:199)
org.apache.jk.common.HandlerRequest.invoke(Handler Request.java:282)
org.apache.jk.common.ChannelSocket.invoke(ChannelS ocket.java:754)
org.apache.jk.common.ChannelSocket.processConnecti on(ChannelSocket.java:684)
org.apache.jk.common.ChannelSocket$SocketConnectio n.runIt(ChannelSocket.java:876)
org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:684)
java.lang.Thread.run()V(Unknown Source)
root cause
java.lang.NoClassDefFoundError: glog/webserver/session/SessionViewerServlet : org/apache/catalina/ContainerServlet
java.lang.ClassLoader.defineClass(Ljava.lang.Strin g;[BIILjava.security.ProtectionDomain

Ljava.lang.Cla ss;(Unknown Source)
java.security.SecureClassLoader.defineClass(Secure ClassLoader.java:123)
java.net.URLClassLoader.defineClass(URLClassLoader .java:251)
java.net.URLClassLoader.access$100(URLClassLoader. java:55)
java.net.URLClassLoader$1.run(URLClassLoader.java: 194)
java.net.URLClassLoader.findClass(URLClassLoader.j ava:187)
java.lang.ClassLoader.loadClass(Ljava.lang.String; Z)Ljava.lang.Class;(Unknown Source)
sun.misc.Launcher$AppClassLoader.loadClass(Launche r.java:264)
java.lang.ClassLoader.loadClass(Ljava.lang.String; )Ljava.lang.Class;(Unknown Source)
org.apache.catalina.loader.WebappClassLoader.loadC lass(WebappClassLoader.java:1267)
org.apache.catalina.loader.WebappClassLoader.loadC lass(WebappClassLoader.java:119

org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:105)
org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:14

org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyo teHandler.java:199)
org.apache.jk.common.HandlerRequest.invoke(Handler Request.java:282)
org.apache.jk.common.ChannelSocket.invoke(ChannelS ocket.java:754)
org.apache.jk.common.ChannelSocket.processConnecti on(ChannelSocket.java:684)
org.apache.jk.common.ChannelSocket$SocketConnectio n.runIt(ChannelSocket.java:876)
org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:684)