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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=4330 ClassCastException with DocumentBuilderFactoryImpl Summary: ClassCastException with DocumentBuilderFactoryImpl Product: Tomcat 4 Version: 4.0.1 Final Platform: PC OS/Version: Linux Status: NEW Severity: Blocker Priority: Other Component: Jasper AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] I was starting up the Tomcat 4.0 servlet engine, running against JDK 1.4 and received the following error when attempting to start the engine. I'm willing to believe this is just a library issue on my part, but I'm not an idiot and have been hunting it down for 2 days now. I even rebuilt the XErces2 jar under my running 1.4 environment (by downloading the source and running Ant against my JAVA_HOME. I have posted several questions to the tomcat users list with no reponses, and searched through the archives for similar issues with no success. This leads me to believe it may in fact be a bug. Please contact for more info if necessary. The Stacktrace follows.... javax.servlet.ServletException: Servlet.init() for servlet jsp threw exception at org.apache.catalina.core.StandardWrapper.load (StandardWrapper.java:871) at org.apache.catalina.core.StandardContext.loadOnStartup (StandardContext.java:3267) at org.apache.catalina.core.StandardContext.start (StandardContext.java:3384) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardHost.start(StandardHost.java:612) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardEngine.start (StandardEngine.java:307) at org.apache.catalina.core.StandardService.start (StandardService.java:388) at org.apache.catalina.core.StandardServer.start (StandardServer.java:505) at org.apache.catalina.startup.Catalina.start(Catalina.java:776) at org.apache.catalina.startup.Catalina.execute(Catalina.java:681) at org.apache.catalina.startup.Catalina.process(Catalina.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:42) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:28) at java.lang.reflect.Method.invoke(Method.java:313) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243) ----- Root Cause ----- java.lang.ClassCastException: org.apache.xerces.jaxp.DocumentBuilderFactoryImpl at javax.xml.parsers.DocumentBuilderFactory.newInstance (DocumentBuilderFactory.java:103) at org.apache.jasper.parser.ParserUtils.parseXMLDocument (ParserUtils.java:183) at org.apache.jasper.compiler.TldLocationsCache.processWebDotXml (TldLocationsCache.java:165) at org.apache.jasper.compiler.TldLocationsCache.<init> (TldLocationsCache.java:138) at org.apache.jasper.EmbededServletOptions.<init> (EmbededServletOptions.java:324) at org.apache.jasper.servlet.JspServlet.init(JspServlet.java:266) at org.apache.catalina.core.StandardWrapper.load (StandardWrapper.java:852) at org.apache.catalina.core.StandardContext.loadOnStartup (StandardContext.java:3267) at org.apache.catalina.core.StandardContext.start (StandardContext.java:3384) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardHost.start(StandardHost.java:612) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardEngine.start (StandardEngine.java:307) at org.apache.catalina.core.StandardService.start (StandardService.java:388) at org.apache.catalina.core.StandardServer.start (StandardServer.java:505) at org.apache.catalina.startup.Catalina.start(Catalina.java:776) at org.apache.catalina.startup.Catalina.execute(Catalina.java:681) at org.apache.catalina.startup.Catalina.process(Catalina.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:42) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:28) at java.lang.reflect.Method.invoke(Method.java:313) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)
