Subject: Re: [Off-Topic ?] Problem with Struts/Tomcat/Jbuilder/ 1 2 3 4 5 6 7 8 9 From: "David Bolsover" <[EMAIL PROTECTED]> === Hi
I also use TC4.0.1, Struts and JB6(pro) and have seen a similar problem. To be honest I can't remember how I cured but I think it was because I had a reference to the servlet library in the JB project props - you try looking there. Also - do you get the same problem when you deploy your project as a war and run under TC outside of JB6? - might give some clue as to where the problem lies. David Bolsover "Slimane Zouggari" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED]... > Hi, > > I have a very strange problem here. And I don't know what is the cause of > that problem (Tomcat ? Struts ? JBuilder ? something else ?). > > Here's my problem: when I run a first time my project with Jbuilder 6 > (using Tomcat 4.0.1), I have practically no problem. > Then I stop the Tomcat server and try to run it again (without changing a > thing !). And suddenly, the following exception is thrown: > > >Apache Tomcat/4.0.1 - Error report<!--H1{font-family : > >sans-serif,Arial,Tahoma;color : white;background-color : #0086b2;} > >BODY{font-family : sans-serif,Arial,Tahoma;color : black;background-color > >: white;} B{color : white;background-color : #0086b2;} HR{color : > >#0086b2;} -->Apache Tomcat/4.0.1 - HTTP Status 500 - Internal Server > >Errortype Exception reportmessage Internal Server Errordescription The > >server encountered an internal error (Internal Server Error) that > >prevented it from fulfilling this request.exception > >javax.servlet.ServletException: duplicate class definition: > >org/apache/jasper/runtime/HttpJspBase > > at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:484) > > 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:243) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:201) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) > > at > > org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:2 46) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > > org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344) > > at > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164 ) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) > > at > > org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:170) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) > > at > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170 ) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :163) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > > org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java: 1011) > > at > > org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106 ) > > at java.lang.Thread.run(Thread.java:536) > >root cause java.lang.LinkageError: duplicate class definition: > >org/apache/jasper/runtime/HttpJspBase > > at java.lang.ClassLoader.defineClass0(Native Method) > > at java.lang.ClassLoader.defineClass(ClassLoader.java:509) > > at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123) > > at java.net.URLClassLoader.defineClass(URLClassLoader.java:246) > > at java.net.URLClassLoader.access$100(URLClassLoader.java:54) > > at java.net.URLClassLoader$1.run(URLClassLoader.java:193) > > at java.security.AccessController.doPrivileged(Native Method) > > at java.net.URLClassLoader.findClass(URLClassLoader.java:186) > > at > > org.apache.catalina.loader.StandardClassLoader.findClass(StandardClassLoader .java:671) > > at > > org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader .java:1090) > > at > > org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader .java:989) > > at > > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav a:1293) > > at > > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav a:1156) > > at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:198) > > at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:132) > > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:322) > > at java.lang.ClassLoader.defineClass0(Native Method) > > at java.lang.ClassLoader.defineClass(ClassLoader.java:509) > > at java.lang.ClassLoader.defineClass(ClassLoader.java:438) > > at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:216) > > at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:132) > > at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:575) > > at > > org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspSe rvlet.java:177) > > at > > org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.ja va:189) > > at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382) > > at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474) > > 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:243) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:201) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) > > at > > org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:2 46) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > > org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344) > > at > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164 ) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) > > at > > org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:170) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) > > at > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170 ) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :163) > > at > > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) > > at > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > > at > > org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java: 1011) > > at > > org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106 ) > > at java.lang.Thread.run(Thread.java:536) > > BUT, if I delete all the *.class generated by Jbuilder and then try to run > again my project. It still runs fine. > So the problem seems to occur only the second times I try to run my project ! > Very weird isn't it ??? > > So, here's my question, what could be the problem ? > Is it Jbuilder having trouble unloading my *.class ? > Is it Tomcat, which when it is stopped, doesn't unload my *.class correctly ? > Is it Struts, messing something with my *.class ? (I strongly doubt about > that one, but I don't have a clue...) > Or finally is it something else ? > > Thanx for having taken the time to read me ? And any suggestion would be > appreciated as I don't have any clue why that exception is only thrown the > second time I run my project :( > > Friendly Regards, > Slimane > > NB.: my config: > JBuilder 6.0 > Tomcat 4.0.1 > Struts nightly build of 28/02/2002 > > PS: as nobody answered my previous mail > (http://www.mail-archive.com/struts-user@jakarta.apache.org/msg25574.html) > I suppose there's no solution for complex link with Struts. > > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
