TR: [opencms-dev] Help ! Resource loader error ...

M Butcher mbutcher at grcomputing.net
Tue Jul 15 19:24:01 CEST 2003 

What is Constants? Is it a class or an interface? How is it being used?

On Tue, 2003-07-15 at 03:53, Apostoly Guillaume wrote:
> Hi all,
> 
> I never managed to solve the below problem and this disable me to use
> classes for my intranet. I'm reduce to "full jsp" development.
> Has anybody an idea why my classes won't load ?
> 
> Thanks by advance.
> 
> Best regards,
> 
> Guillaume.
> 
> -----Message d'origine-----
> De: Apostoly Guillaume 
> Date: mardi 8 juillet 2003 19:33
> À: opencms-dev at opencms.org
> Objet: RE: [opencms-dev] Help ! Resource loader error ...
> 
> 
> Hi,
> 
> I've just tested something else: 
> - i've got my jsp and my class working in another webapp
> - i've copied the jsp to be dealed out of opencms but in the opencms webapp
> like : http://57.199.132.75:8080/opencms/jsp/testlogin/testlogin.jsp
> and i then have the same error, returned by tomcat : 
> Strange isn't it ?
> 
> HTTP Status 500 - 
> 
> ----------------------------------------------------------------------------
> ----
> 
> type Exception report
> 
> message 
> 
> description The server encountered an internal error () that prevented it
> from fulfilling this request.
> 
> exception 
> 
> org.apache.jasper.JasperException: com/europcar/intranet/Constants
> 	at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2
> 54)
> 	at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
> 	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
> FilterChain.java:247)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
> ain.java:193)
> 	at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
> va:256)
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
> va:191)
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at
> org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
> 	at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
> )
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
> java:171)
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:641)
> 	at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172
> )
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:641)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
> :174)
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at
> org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
> 	at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
> 	at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
> ction(Http11Protocol.java:392)
> 	at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
> 	at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
> a:619)
> 	at java.lang.Thread.run(Thread.java:536)
> 
> 
> root cause 
> 
> javax.servlet.ServletException: com/europcar/intranet/Constants
> 	at
> org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImp
> l.java:536)
> 	at org.apache.jsp.testlogin_jsp._jspService(testlogin_jsp.java:103)
> 	at
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> 	at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2
> 10)
> 	at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
> 	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
> FilterChain.java:247)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
> ain.java:193)
> 	at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
> va:256)
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
> va:191)
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at
> org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
> 	at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
> )
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
> java:171)
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:641)
> 	at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172
> )
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:641)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
> :174)
> 	at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
> 	at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> 	at
> org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
> 	at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
> 	at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
> ction(Http11Protocol.java:392)
> 	at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
> 	at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
> a:619)
> 	at java.lang.Thread.run(Thread.java:536)
> 
> 
> 
> ----------------------------------------------------------------------------
> ----
> 
> Apache Tomcat/4.1.24
> 
> > -----Message d'origine-----
> > De: Apostoly Guillaume 
> > Date: mardi 8 juillet 2003 19:06
> > À: opencms-dev at opencms.org
> > Objet: RE: [opencms-dev] Help ! Resource loader error ...
> > 
> > 
> > Sadly, this is exactly what's i've done ! And I get the 
> > specified error ...
> > I also even tested the class on another webapp.
> > I really have no idea of the problem ...
> > 
> > > -----Message d'origine-----
> > > De: M Butcher [mailto:mbutcher at grcomputing.net]
> > > Date: mardi 8 juillet 2003 19:12
> > > À: opencms-dev at opencms.org
> > > Objet: RE: [opencms-dev] Help ! Resource loader error ...
> > > 
> > > 
> > > If you create an instance of the class and then use it, 
> > what happens?
> > > 
> > > e.g.
> > > 
> > > Constants c =  new Constants();
> > > out.println(c.webAppPath);
> > > 
> > > I don't know much about the classloader that the JSPs use, but this
> > > would be an interesting test to try and isolate the problem.
> > > 
> > > On Tue, 2003-07-08 at 10:10, Apostoly Guillaume wrote:
> > > > here's the detailed error i've got in the log : 
> > > > 
> > > > 2003-07-08 18:09:47 ApplicationDispatcher[/opencms] 
> > > Servlet.service() for
> > > > servlet jsp threw exception
> > > > org.apache.jasper.JasperException: com/machin/intranet/Constants
> > > >         at
> > > > 
> > > org.apache.jasper.servlet.JspServletWrapper.service(JspServlet
> > > Wrapper.java:2
> > > > 54)
> > > >         at
> > > > 
> > > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet
> > > .java:295)
> > > >         at 
> > > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
> > > >         at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > > >         at
> > > > 
> > > org.apache.catalina.core.ApplicationDispatcher.invoke(Applicat
> > > ionDispatcher.
> > > > java:684)
> > > >         at
> > > > 
> > > org.apache.catalina.core.ApplicationDispatcher.doInclude(Appli
> > > cationDispatch
> > > > er.java:575)
> > > >         at
> > > > 
> > > org.apache.catalina.core.ApplicationDispatcher.include(Applica
> > > tionDispatcher
> > > > .java:498)
> > > >         at
> > > > 
> > > com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFle
> > > xRequestDispat
> > > > cher.java:180)
> > > >         at 
> > > com.opencms.flex.CmsJspLoader.service(CmsJspLoader.java:955)
> > > >         at
> > > > 
> > > com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFle
> > > xRequestDispat
> > > > cher.java:268)
> > > >         at 
> > com.opencms.flex.CmsJspLoader.load(CmsJspLoader.java:567)
> > > >         at 
> > > com.opencms.flex.CmsJspLoader.initlaunch(CmsJspLoader.java:235)
> > > >         at com.opencms.core.OpenCms.showResource(OpenCms.java:956)
> > > >         at
> > > > 
> > > 
> > com.opencms.core.OpenCmsHttpServlet.doGet(OpenCmsHttpServlet.java:310)
> > > >         at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
> > > >         at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > > >         at
> > > > 
> > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
> > > er(Application
> > > > FilterChain.java:247)
> > > >         at
> > > > 
> > > org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
> > > cationFilterCh
> > > > ain.java:193)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardW
> > > rapperValve.ja
> > > > va:256)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:643)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > ine.java:480)
> > > >         at
> > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardContextValve.invoke(StandardC
> > > ontextValve.ja
> > > > va:191)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:643)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > ine.java:480)
> > > >         at
> > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardContext.invoke(StandardContex
> > > t.java:2415)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardHostValve.invoke(StandardHost
> > > Valve.java:180
> > > > )
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:643)
> > > >         at
> > > > 
> > > org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDi
> > > spatcherValve.
> > > > java:171)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:641)
> > > >         at
> > > > 
> > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReport
> > > Valve.java:172
> > > > )
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:641)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > ine.java:480)
> > > >         at
> > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEn
> > > gineValve.java
> > > > :174)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:643)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > ine.java:480)
> > > >         at
> > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > >         at
> > > > 
> > > org.apache.catalina.connector.warp.WarpRequestHandler.handle(U
> > > nknown Source)
> > > >         at 
> > > org.apache.catalina.connector.warp.WarpConnection.run(Unknown
> > > > Source)
> > > >         at java.lang.Thread.run(Thread.java:536)
> > > > ----- Root Cause -----
> > > > javax.servlet.ServletException: com/machin/intranet/Constants
> > > >         at
> > > > 
> > > org.apache.jasper.runtime.PageContextImpl.handlePageException(
> > > PageContextImp
> > > > l.java:536)
> > > >         at 
> > > org.apache.jsp.index_jsp_jsp._jspService(index_jsp_jsp.java:517)
> > > >         at
> > > > 
> > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
> > > >         at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > > >         at
> > > > 
> > > org.apache.jasper.servlet.JspServletWrapper.service(JspServlet
> > > Wrapper.java:2
> > > > 10)
> > > >         at
> > > > 
> > > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet
> > > .java:295)
> > > >         at 
> > > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
> > > >         at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > > >         at
> > > > 
> > > org.apache.catalina.core.ApplicationDispatcher.invoke(Applicat
> > > ionDispatcher.
> > > > java:684)
> > > >         at
> > > > 
> > > org.apache.catalina.core.ApplicationDispatcher.doInclude(Appli
> > > cationDispatch
> > > > er.java:575)
> > > >         at
> > > > 
> > > org.apache.catalina.core.ApplicationDispatcher.include(Applica
> > > tionDispatcher
> > > > .java:498)
> > > >         at
> > > > 
> > > com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFle
> > > xRequestDispat
> > > > cher.java:180)
> > > >         at 
> > > com.opencms.flex.CmsJspLoader.service(CmsJspLoader.java:955)
> > > >         at
> > > > 
> > > com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFle
> > > xRequestDispat
> > > > cher.java:268)
> > > >         at 
> > com.opencms.flex.CmsJspLoader.load(CmsJspLoader.java:567)
> > > >         at 
> > > com.opencms.flex.CmsJspLoader.initlaunch(CmsJspLoader.java:235)
> > > >         at com.opencms.core.OpenCms.showResource(OpenCms.java:956)
> > > >         at
> > > > 
> > > 
> > com.opencms.core.OpenCmsHttpServlet.doGet(OpenCmsHttpServlet.java:310)
> > > >         at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
> > > >         at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > > >         at
> > > > 
> > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
> > > er(Application
> > > > FilterChain.java:247)
> > > >         at
> > > > 
> > > org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
> > > cationFilterCh
> > > > ain.java:193)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardW
> > > rapperValve.ja
> > > > va:256)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:643)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > ine.java:480)
> > > >         at
> > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardContextValve.invoke(StandardC
> > > ontextValve.ja
> > > > va:191)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:643)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > ine.java:480)
> > > >         at
> > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardContext.invoke(StandardContex
> > > t.java:2415)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardHostValve.invoke(StandardHost
> > > Valve.java:180
> > > > )
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:643)
> > > >         at
> > > > 
> > > org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDi
> > > spatcherValve.
> > > > java:171)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:641)
> > > >         at
> > > > 
> > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReport
> > > Valve.java:172
> > > > )
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:641)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > ine.java:480)
> > > >         at
> > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEn
> > > gineValve.java
> > > > :174)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > eContext.invok
> > > > eNext(StandardPipeline.java:643)
> > > >         at
> > > > 
> > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > ine.java:480)
> > > >         at
> > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > >         at
> > > > 
> > > org.apache.catalina.connector.warp.WarpRequestHandler.handle(U
> > > nknown Source)
> > > >         at 
> > > org.apache.catalina.connector.warp.WarpConnection.run(Unknown
> > > > Source)
> > > >         at java.lang.Thread.run(Thread.java:536)
> > > > 
> > > > 
> > > > 
> > > > > -----Message d'origine-----
> > > > > De: Apostoly Guillaume 
> > > > > Date: mardi 8 juillet 2003 17:45
> > > > > À: opencms-dev at opencms.org
> > > > > Objet: RE: [opencms-dev] Help ! Resource loader error ...
> > > > > 
> > > > > 
> > > > > I see what you mean, but it doesn't solve the problem : i've 
> > > > > checked the
> > > > > tomcat logs also, and there's nothing more.
> > > > > More than this, in my jsp, i've got just the instantiation of 
> > > > > my class (
> > > > > constructor with no parameters), and my class is an "empty" 
> > > > > class. In fact I
> > > > > never went further than that...
> > > > > Any idea ?
> > > > > 
> > > > > > -----Message d'origine-----
> > > > > > De: M Butcher [mailto:mbutcher at grcomputing.net]
> > > > > > Date: mardi 8 juillet 2003 18:03
> > > > > > À: opencms-dev at opencms.org
> > > > > > Objet: Re: [opencms-dev] Help ! Resource loader error ...
> > > > > > 
> > > > > > 
> > > > > > I spent a few hours dealing with the same exception on one of 
> > > > > > my pages,
> > > > > > thinking that it was the classloader that was causing 
> > > the problem.
> > > > > > Finally, I realized that I had a really dumb error in my 
> > > > > code that was
> > > > > > generating a NullPointerException... which got reported as 
> > > > > a Resource
> > > > > > loader error. Since then, I've seen a few other exceptions 
> > > > > > get reported
> > > > > > as this error, so it is not necessarily a classloader problem 
> > > > > > (though it
> > > > > > may be).
> > > > > > 
> > > > > > Sometimes the $TOMCAT/logs/ files had more to say than the 
> > > > > exceptions
> > > > > > that got reported to the screen, so it might help to 
> > > check there.
> > > > > > 
> > > > > > Matt
> > > > > > 
> > > > > > On Tue, 2003-07-08 at 03:00, Apostoly Guillaume wrote:
> > > > > > > Hi all,
> > > > > > >  
> > > > > > > I've got a problem with the classloader (maybe):
> > > > > > > I put <%@ page session="false" 
> > > > > > import="com.machin.intranet.* ......> in a
> > > > > > > jsp page. 
> > > > > > > I've got a class called "Constants" into
> > > > > > > modules/com.machin.intranet/classes/com/machin/intranet 
> > > > > > which correspond to
> > > > > > > WEB-INF/classes/com/machin/intranet on the real system.
> > > > > > >  
> > > > > > > If I try to put this out.println("constant :
> > > > > > > "+com.europcar.intranet.Constants.webAppPath); into my jsp, 
> > > > > > i've got the
> > > > > > > following error...
> > > > > > > Has anybody any idea ? 
> > > > > > >  
> > > > > > > Thanks by advance.
> > > > > > >  
> > > > > > > Guillaume
> > > > > > >  
> > > > > > > javax.servlet.ServletException: Resource loader 
> > error in file
> > > > > > > '/intranetmachin/Domains/Marketing/index.jsp'
> > > > > > >  
> > > > > > > Root cause:
> > > > > > > org.apache.jasper.JasperException: 
> > > com/machin/intranet/Constants
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.jasper.servlet.JspServletWrapper.service(JspServlet
> > > > > > Wrapper.java:2
> > > > > > > 54)
> > > > > > >  at 
> > > > > > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet
> > > > > > .java:295)
> > > > > > >  at 
> > > > > > 
> > > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
> > > > > > >  at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.ApplicationDispatcher.invoke(Applicat
> > > > > > ionDispatcher.
> > > > > > > java:684)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.ApplicationDispatcher.doInclude(Appli
> > > > > > cationDispatch
> > > > > > > er.java:575)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.ApplicationDispatcher.include(Applica
> > > > > > tionDispatcher
> > > > > > > .java:498)
> > > > > > >  at
> > > > > > > 
> > > > > > com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFle
> > > > > > xRequestDispat
> > > > > > > cher.java:180)
> > > > > > >  at 
> > > com.opencms.flex.CmsJspLoader.service(CmsJspLoader.java:955)
> > > > > > >  at
> > > > > > > 
> > > > > > com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFle
> > > > > > xRequestDispat
> > > > > > > cher.java:268)
> > > > > > >  at 
> > com.opencms.flex.CmsJspLoader.load(CmsJspLoader.java:567)
> > > > > > >  at 
> > > > > com.opencms.flex.CmsJspLoader.initlaunch(CmsJspLoader.java:235)
> > > > > > >  at com.opencms.core.OpenCms.showResource(OpenCms.java:956)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > com.opencms.core.OpenCmsHttpServlet.doGet(OpenCmsHttpServlet.java:310)
> > > > > > >  at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
> > > > > > >  at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
> > > > > > er(Application
> > > > > > > FilterChain.java:247)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
> > > > > > cationFilterCh
> > > > > > > ain.java:193)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardW
> > > > > > rapperValve.ja
> > > > > > > va:256)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:643)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > > > > ine.java:480)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardContextValve.invoke(StandardC
> > > > > > ontextValve.ja
> > > > > > > va:191)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:643)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > > > > ine.java:480)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardContext.invoke(StandardContex
> > > > > > t.java:2415)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardHostValve.invoke(StandardHost
> > > > > > Valve.java:180
> > > > > > > )
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:643)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDi
> > > > > > spatcherValve.
> > > > > > > java:171)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:641)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReport
> > > > > > Valve.java:172
> > > > > > > )
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:641)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > > > > ine.java:480)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEn
> > > > > > gineValve.java
> > > > > > > :174)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:643)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > > > > ine.java:480)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > > > > >  at 
> > > > > > 
> > > org.apache.catalina.connector.warp.WarpRequestHandler.handle(Unknown
> > > > > > > Source)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > org.apache.catalina.connector.warp.WarpConnection.run(Unknown Source)
> > > > > > >  at java.lang.Thread.run(Thread.java:536)
> > > > > > >  
> > > > > > > --------------- End of root cause.
> > > > > > >  
> > > > > > >  at 
> > > com.opencms.flex.CmsJspLoader.service(CmsJspLoader.java:962)
> > > > > > >  at
> > > > > > > 
> > > > > > com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFle
> > > > > > xRequestDispat
> > > > > > > cher.java:268)
> > > > > > >  at 
> > com.opencms.flex.CmsJspLoader.load(CmsJspLoader.java:567)
> > > > > > >  at 
> > > > > com.opencms.flex.CmsJspLoader.initlaunch(CmsJspLoader.java:235)
> > > > > > >  at com.opencms.core.OpenCms.showResource(OpenCms.java:956)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > com.opencms.core.OpenCmsHttpServlet.doGet(OpenCmsHttpServlet.java:310)
> > > > > > >  at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
> > > > > > >  at 
> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
> > > > > > er(Application
> > > > > > > FilterChain.java:247)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
> > > > > > cationFilterCh
> > > > > > > ain.java:193)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardW
> > > > > > rapperValve.ja
> > > > > > > va:256)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:643)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > > > > ine.java:480)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardContextValve.invoke(StandardC
> > > > > > ontextValve.ja
> > > > > > > va:191)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:643)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > > > > ine.java:480)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardContext.invoke(StandardContex
> > > > > > t.java:2415)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardHostValve.invoke(StandardHost
> > > > > > Valve.java:180
> > > > > > > )
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:643)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDi
> > > > > > spatcherValve.
> > > > > > > java:171)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:641)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReport
> > > > > > Valve.java:172
> > > > > > > )
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:641)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > > > > ine.java:480)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEn
> > > > > > gineValve.java
> > > > > > > :174)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline$StandardPipelineValv
> > > > > > eContext.invok
> > > > > > > eNext(StandardPipeline.java:643)
> > > > > > >  at
> > > > > > > 
> > > > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipel
> > > > > > ine.java:480)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > > > > > >  at 
> > > > > > 
> > > org.apache.catalina.connector.warp.WarpRequestHandler.handle(Unknown
> > > > > > > Source)
> > > > > > >  at 
> > > > > > 
> > > > > 
> > > 
> > org.apache.catalina.connector.warp.WarpConnection.run(Unknown Source)
> > > > > > >  at java.lang.Thread.run(Thread.java:536)
> > > > > > >  
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > _______________________________________
> > > > > > > Guillaume APOSTOLY 
> > > > > > > Business-Analyst EIS-BSD 
> > > > > > > Tél: +33 (0)1.30.44.95.22 
> > > > > > > Fax: +33 (0)1.30.44.98.08 
> > > > > > > ApostolyG at mail.europcar.com 
> > <mailto:ApostolyG at mail.europcar.com>  
> > > > > > _______________________________________ 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > >  
> > > > > > _______________________________________________
> > > > > > This mail is send to you from the opencms-dev mailing list
> > > > > > To change your list options, or to unsubscribe from the 
> > > > > list, please visit
> > > > > > http://mail.opencms.org/mailman/listinfo/opencms-dev
> > > > > -- 
> > > > > M Butcher <mbutcher at grcomputing.net>
> > > > > _______________________________________________
> > > > > This mail is send to you from the opencms-dev mailing list
> > > > > To change your list options, or to unsubscribe from the list, 
> > > > > please visit
> > > > > http://mail.opencms.org/mailman/listinfo/opencms-dev
> > > > > 
> > > > _______________________________________________
> > > > This mail is send to you from the opencms-dev mailing list
> > > > To change your list options, or to unsubscribe from the list, 
> > > > please visit
> > > > http://mail.opencms.org/mailman/listinfo/opencms-dev
> > > > 
> > > _______________________________________________
> > > This mail is send to you from the opencms-dev mailing list
> > > To change your list options, or to unsubscribe from the 
> > list, please visit
> > > http://mail.opencms.org/mailman/listinfo/opencms-dev
> > -- 
> > M Butcher <mbutcher at grcomputing.net>
> > _______________________________________________
> > This mail is send to you from the opencms-dev mailing list
> > To change your list options, or to unsubscribe from the list, 
> > please visit
> > http://mail.opencms.org/mailman/listinfo/opencms-dev
> > _______________________________________________
> > This mail is send to you from the opencms-dev mailing list
> > To change your list options, or to unsubscribe from the list, 
> > please visit
> > http://mail.opencms.org/mailman/listinfo/opencms-dev
> > 
> _______________________________________________
> This mail is send to you from the opencms-dev mailing list
> To change your list options, or to unsubscribe from the list, please visit
> http://mail.opencms.org/mailman/listinfo/opencms-dev
> _______________________________________________
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-- 
M Butcher <mbutcher at grcomputing.net>

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