Prasad, Is there more information under the exception information you have supplied labelled "Root Cause: "?
If so, this is the information we need to help. Can you post this additional information to the list if it's there please? Best regards, Andy > -----Original Message----- > From: Prasad Parigi [mailto:[EMAIL PROTECTED]] > Sent: 11 February 2003 17:10 > To: 'Tomcat Users List' > Subject: Tomcat4.1.18 and ClassCastException. > > > Hi, > > I am new to this mailing list and I get the following error while > using Tomcat. I tried out all options to resolve this. Any help is > appreciated. If this is not a proper way of communication, please let me > know. > > I get an error "ClassCastException" when I try to use this line of code in > my JSP. This is using a Object database called CacheDatabase. > > > > testclass = (ClassA)ClassA._open(dbconnection); > > > > The return type from open is of type ClassA. > > > > org.apache.jasper.JasperException: Unable to process TestTomcat Page > at > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrap > per.java:2 > 48) > 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(A > pplication > FilterChain.java:247) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(Applicati > onFilterCh > ain.java:193) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapp > erValve.ja > va:260) > at > org.apache.catalina.core.StandardPipeline$StandardPipelineValveCon > text.invok > eNext(StandardPipeline.java:643) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline. > java:480) > at > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardConte > xtValve.ja > va:191) > at > org.apache.catalina.core.StandardPipeline$StandardPipelineValveCon > text.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(StandardHostValv > e.java:180 > ) > at > org.apache.catalina.core.StandardPipeline$StandardPipelineValveCon > text.invok > eNext(StandardPipeline.java:643) > at > org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispat > cherValve. > java:170) > at > org.apache.catalina.core.StandardPipeline$StandardPipelineValveCon > text.invok > eNext(StandardPipeline.java:641) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValv > e.java:172 > ) > at > org.apache.catalina.core.StandardPipeline$StandardPipelineValveCon > text.invok > eNext(StandardPipeline.java:641) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline. > java:480) > at > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngine > Valve.java > :174) > at > org.apache.catalina.core.StandardPipeline$StandardPipelineValveCon > text.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:432) > at > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.pr > ocessConne > ction(Http11Protocol.java:386) > at > org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:534) > at > org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Thre > adPool.jav > a:530) > at java.lang.Thread.run(Thread.java:484) > > > Please help me on this as I have no idea why it > shouldn't work. > It works fine on Jrun4 which also implements the JSP/Servlet version. > > > > Thanks, > > Prasad. > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
