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Posted to users@tomcat.apache.org by Michael Davis <mi...@damaru.com> on 2004/03/12 19:52:51 UTC

final class problem


Hi,

I have a web app which was working fine. I made a lot of changes, and it works fine on my
machine at home. But when I try to install it on my server, using the tomcat manager init
command, I get this error. If I knew which class it was trying to instanciate, I might be
able to fix it, but I'm basically hoping that someone has seen this before and knows what
the problem is. None of the classes I wrote are marked 'final'.

This dump was copied from the app log.
Thanks in advance for any clues:

Michael Davis
Toronto


2004-03-12 13:29:27 Manager: ManagerServlet.install[/sham]
java.lang.VerifyError: Cannot inherit from final class
        at java.lang.ClassLoader.defineClass0(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:502)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
        at
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1664)
        at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:953)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1394)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1274)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
        at org.apache.xerces.impl.XMLNSDocumentScannerImpl.createContentDispatcher(Unknown
Source)
        at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.<init>(XMLDocumentFragmentScannerImpl.java:248)
        at
org.apache.xerces.impl.XMLDocumentScannerImpl.<init>(XMLDocumentScannerImpl.java:245)
        at org.apache.xerces.impl.XMLNSDocumentScannerImpl.<init>(Unknown Source)
        at
org.apache.xerces.parsers.IntegratedParserConfiguration.createDocumentScanner(Unknown Source)
        at org.apache.xerces.parsers.DTDConfiguration.<init>(DTDConfiguration.java:366)
        at
org.apache.xerces.parsers.StandardParserConfiguration.<init>(StandardParserConfiguration.java:197)
        at org.apache.xerces.parsers.IntegratedParserConfiguration.<init>(Unknown Source)
        at org.apache.xerces.parsers.XML11Configuration.<init>(Unknown Source)
        at org.apache.xerces.parsers.XML11Configuration.<init>(Unknown Source)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
        at java.lang.Class.newInstance0(Class.java:306)
        at java.lang.Class.newInstance(Class.java:259)
        at org.apache.xerces.util.ObjectFactory.newInstance(ObjectFactory.java:293)
        at org.apache.xerces.util.ObjectFactory.createObject(ObjectFactory.java:224)
        at org.apache.xerces.util.ObjectFactory.createObject(ObjectFactory.java:119)
        at org.apache.xerces.parsers.SAXParser.<init>(SAXParser.java:140)
        at org.apache.xerces.parsers.SAXParser.<init>(SAXParser.java:125)
        at org.apache.xerces.jaxp.SAXParserImpl.<init>(SAXParserImpl.java:102)
        at
org.apache.xerces.jaxp.SAXParserFactoryImpl.newSAXParser(SAXParserFactoryImpl.java:95)
        at org.apache.commons.digester.Digester.getParser(Digester.java:676)
        at org.apache.commons.digester.Digester.getXMLReader(Digester.java:892)
        at org.apache.commons.digester.Digester.parse(Digester.java:1514)
        at org.apache.catalina.startup.ContextConfig.tldScanStream(ContextConfig.java:977)
        at org.apache.catalina.startup.ContextConfig.tldScanJar(ContextConfig.java:921)
        at org.apache.catalina.startup.ContextConfig.tldScan(ContextConfig.java:868)
        at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:647)
        at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:243)
        at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3493)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:821)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:579)
        at
org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:257)
        at org.apache.catalina.core.StandardHost.install(StandardHost.java:772)
        at org.apache.catalina.servlets.ManagerServlet.install(ManagerServlet.java:650)
        at org.apache.catalina.servlets.ManagerServlet.doGet(ManagerServlet.java:342)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:527)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2396)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:469)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(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:405)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:380)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:533)
        at java.lang.Thread.run(Thread.java:536)


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