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From "David Treves" <dw...@macam.ac.il>
Subject Re: Really weird Error...
Date Tue, 30 Oct 2001 15:39:51 GMT
Hi Elm,

sorry, but even though I am using sessions in my app that was not the
reason, I tried to access the servlet from a different session, yet I got
the same result.

Thanks anyway!
David.

----- Original Message -----
From: "Elm Gysel" <elm.gysel@dateq.be>
To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
Sent: Tuesday, October 30, 2001 4:03 PM
Subject: Re: Really weird Error...


> I think I've seen this before.
>
> Are you working with sessions? Try after recompiling going to the page
with
> another browser. (not the one you used before the recompile)
>
> Could you tell me if this was the problem?
>
> Elm
>
>
> > Hi,
> >
> > I am working with Tomcat 3.2.3 on win2000. Actually this is the pack you
> can
> > download from JBoss. e.g. Tomcat integrated with JBoss.
> >
> > Now, when I compile and run a servlet everything runs great, but if I
> decide
> > to update the servlet and recompile it WITHOUT restarting the server,
once
> I
> > invoke a request to that servlet I get the following error. Note that
> > restarting the server fixes everything.
> >
> > Error: 500
> > Location: /webTrails/admin
> > Internal Servlet Error:
> >
> > java.lang.IllegalStateException: Can't happen - classname is null, who
> added
> > this ?
> >  at
> >
org.apache.tomcat.core.ServletWrapper.loadServlet(ServletWrapper.java:261)
> >  at org.apache.tomcat.core.ServletWrapper.init(ServletWrapper.java:289)
> >  at org.apache.tomcat.core.Handler.service(Handler.java:254)
> >  at
org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
> >  at
> >
>
org.apache.tomcat.core.ContextManager.handleStatus(ContextManager.java:1081)
> >  at
> >
>
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79
> > 0)
> >  at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:758)
> >  at
> >
>
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
> > onnectionHandler.java:213)
> >  at
> >
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
> >  at
> >
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:501)
> >  at java.lang.Thread.run(Thread.java:539)
> >
> >
> > Any clue what is that strange error???
> >
> > TIA, David.
> >
> >
> > --
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