Internal servlet error

Hi
    Some folks have asked me what the problem was with
Tomcat-4.0 and Cocoon-2.0B2. Here it is.

   Please let me know which jar I should delete from where
and which jar I should include and where it should be included.

Regards
Joseph Rajkumar
=======================================================================
Cocoon 2 - Internal servlet error

type internal-servlet-error

message Internal servlet error

description Cocoon was not initialized.

sender org.apache.cocoon.servlet.CocoonServlet

source Cocoon servlet

request-uri

/cocoon

embedded exception

org.apache.avalon.framework.component.ComponentException: Could not
access the Component for role:
org.apache.cocoon.components.parser.Parser

embedded exception stacktrace

org.apache.avalon.framework.component.ComponentException: Could not
access the Component for role:
org.apache.cocoon.components.parser.Parser
        at
org.apache.avalon.excalibur.component.ExcaliburComponentManager.lookup(ExcaliburComponentManager.java:286)

        at org.apache.cocoon.Cocoon.configure(Cocoon.java:210)
        at org.apache.cocoon.Cocoon.initialize(Cocoon.java:160)
        at
org.apache.cocoon.servlet.CocoonServlet.createCocoon(CocoonServlet.java:634)

        at
org.apache.cocoon.servlet.CocoonServlet.init(CocoonServlet.java:164)
        at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:856)
        at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3292)

        at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3402)

        at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:785)
        at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:415)
        at
org.apache.catalina.core.StandardHost.install(StandardHost.java:643)
        at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:647)
        at
org.apache.catalina.startup.HostConfig.start(HostConfig.java:777)
        at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:463)

        at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:155)

        at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1131)
        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(Unknown Source)
        at sun.reflect.InflatableMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:218)
Caused by: java.lang.ClassCastException:
org.apache.crimson.jaxp.SAXParserFactoryImpl
        at
javax.xml.parsers.SAXParserFactory.newInstance(SAXParserFactory.java:155)

        at
org.apache.cocoon.components.parser.JaxpParser.(JaxpParser.java:38)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
Source)
        at
sun.reflect.InflatableConstructorAccessorImpl.newInstance(Unknown
Source)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at java.lang.Class.newInstance0(Unknown Source)
        at java.lang.Class.newInstance(Unknown Source)
        at
org.apache.avalon.excalibur.component.DefaultComponentFactory.newInstance(DefaultComponentFactory.java:81)

        at
org.apache.avalon.excalibur.component.DefaultComponentHandler.get(DefaultComponentHandler.java:92)

        at
org.apache.avalon.excalibur.component.ExcaliburComponentManager.lookup(ExcaliburComponentManager.java:266)

        ... 27 more

exception

org.apache.avalon.framework.configuration.ConfigurationException: Error
trying to load configurations

stacktrace

org.apache.avalon.framework.configuration.ConfigurationException: Error
trying to load configurations
        at org.apache.cocoon.Cocoon.configure(Cocoon.java:220)
        at org.apache.cocoon.Cocoon.initialize(Cocoon.java:160)
        at
org.apache.cocoon.servlet.CocoonServlet.createCocoon(CocoonServlet.java:634)

        at
org.apache.cocoon.servlet.CocoonServlet.init(CocoonServlet.java:164)
        at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:856)
        at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3292)

        at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3402)

        at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:785)
        at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:415)
        at
org.apache.catalina.core.StandardHost.install(StandardHost.java:643)
        at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:647)
        at
org.apache.catalina.startup.HostConfig.start(HostConfig.java:777)
        at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:463)

        at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:155)

        at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1131)
        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(Unknown Source)
        at sun.reflect.InflatableMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:218)
Caused by: org.apache.avalon.framework.component.ComponentException:
Could not access the Component for role:
org.apache.cocoon.components.parser.Parser
        at
org.apache.avalon.excalibur.component.ExcaliburComponentManager.lookup(ExcaliburComponentManager.java:286)

        at org.apache.cocoon.Cocoon.configure(Cocoon.java:210)
        ... 26 more
Caused by: java.lang.ClassCastException:
org.apache.crimson.jaxp.SAXParserFactoryImpl
        at
javax.xml.parsers.SAXParserFactory.newInstance(SAXParserFactory.java:155)

        at
org.apache.cocoon.components.parser.JaxpParser.(JaxpParser.java:38)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
Source)
        at
sun.reflect.InflatableConstructorAccessorImpl.newInstance(Unknown
Source)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at java.lang.Class.newInstance0(Unknown Source)
        at java.lang.Class.newInstance(Unknown Source)
        at
org.apache.avalon.excalibur.component.DefaultComponentFactory.newInstance(DefaultComponentFactory.java:81)

        at
org.apache.avalon.excalibur.component.DefaultComponentHandler.get(DefaultComponentHandler.java:92)

        at
org.apache.avalon.excalibur.component.ExcaliburComponentManager.lookup(ExcaliburComponentManager.java:266)

        ... 27 more