Hi Chad,
Yes. I think more or less any time I write to WEB-INF/classes
without re-starting tomcat I get exact same error.
I have the same set-up but also had the same problem tomcat 3.2 and redhat 6.2
andrew
On Wed, 16 May 2001, you wrote:
> tomcat 3.2.1
> redhat 7
>
> every now and then, we get the following error. it seems to only happen
> when we are compiling new classes a lot during development. if we are
> not developing, but rather, just using our application, we never get
> this error.
>
> has anyone seen this before?
>
>
>
> Error: 500
> Location: /MQ100/servlet/MQ100Generator
> 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:1049)
> at
> org.apache.tomcat.facade.HttpServletResponseFacade.sendError
> (HttpServletResp
> onseFacade.java:216)
> at
> org.apache.tomcat.facade.HttpServletResponseFacade.sendRedirect
> (HttpServletR
> esponseFacade.java:230)
> at Admin.Redirect(Admin.java:46)
> at AddScoreCard.SelectAddScoreCard(AddScoreCard.java:143)
> at MQ100Generator.doGet(MQ100Generator.java:287)
> at MQ100Generator.doPost(MQ100Generator.java:389)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
> org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
> at org.apache.tomcat.core.Handler.service(Handler.java:286)
> at
> org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
> at
> org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:
> 79
> 7)
> at
> org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
> at
> org.apache.tomcat.service.http.HttpConnectionHandler.processConnection
> (HttpC
> onnectionHandler.java:210)
> at
> org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
> at
> org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
> at java.lang.Thread.run(Thread.java:484)
--
===========================================
Andrew Robson
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