a suprise problem

wangwenzhou wangwenzhou Mon, 06 Feb 2006 23:18:42 -0800

Dear cocoon developers:

I am the cocoon loyal user. Currently, my cocoon can not work. It alwaysappears the follow information.But in the past it worked correctly. Andnow, my project is urgently near the dead line. Can you please to give mesome advice for solving this problem, these can help me a lot.Thanks so much.

your best guard
           George Wang

Initialization Problem
Message: org.apache.cocoon.faces.samples.components.taglib.AreaTag

Description:org.apache.avalon.framework.configuration.ConfigurationException: Could notload class org.apache.cocoon.components.ExtendedComponentSelector forcomponent named 'http://java.sun.com/jsf/demo/components' atjndi:/localhost/cocoon/WEB-INF/cocoon.xconf:1875:156

Sender: org.apache.cocoon.servlet.CocoonServlet
Source: Cocoon Servlet
cause

java.lang.ClassNotFoundException:org.apache.cocoon.faces.samples.components.taglib.AreaTag

request-uri
/cocoon/
full exception chain stacktrace

org.apache.avalon.framework.configuration.ConfigurationException: Could notload class org.apache.cocoon.components.ExtendedComponentSelector forcomponent named 'http://java.sun.com/jsf/demo/components' atjndi:/localhost/cocoon/WEB-INF/cocoon.xconf:1875:156atorg.apache.cocoon.components.ExtendedComponentSelector.configure(ExtendedComponentSelector.java:235)

atorg.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil.java:201)

atorg.apache.avalon.excalibur.component.DefaultComponentFactory.newInstance(DefaultComponentFactory.java:289)

atorg.apache.avalon.excalibur.component.ThreadSafeComponentHandler.initialize(ThreadSafeComponentHandler.java:108)

atorg.apache.avalon.excalibur.component.ExcaliburComponentManager.initialize(ExcaliburComponentManager.java:524)

atorg.apache.cocoon.components.CocoonComponentManager.initialize(CocoonComponentManager.java:566)

atorg.apache.avalon.framework.container.ContainerUtil.initialize(ContainerUtil.java:244)


        at org.apache.cocoon.Cocoon.initialize(Cocoon.java:336)

atorg.apache.avalon.framework.container.ContainerUtil.initialize(ContainerUtil.java:244)

atorg.apache.cocoon.servlet.CocoonServlet.createCocoon(CocoonServlet.java:1429)


        at org.apache.cocoon.servlet.CocoonServlet.init(CocoonServlet.java:499)

atorg.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1091)


        at 
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:925)

atorg.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3857)

atorg.apache.catalina.core.StandardContext.start(StandardContext.java:4118)

        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
        at 
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)

atorg.apache.catalina.core.StandardService.start(StandardService.java:450)

        at 
org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)

Caused by: org.apache.avalon.framework.component.ComponentException: Couldnot set up Component for hint [ http://java.sun.com/jsf/demo/components](key [http://java.sun.com/jsf/demo/components])atorg.apache.avalon.excalibur.component.ExcaliburComponentSelector.addComponent(ExcaliburComponentSelector.java:723)

atorg.apache.cocoon.components.ExtendedComponentSelector.configure(ExtendedComponentSelector.java:228)


        ... 27 more

Caused by:org.apache.avalon.framework.configuration.ConfigurationException: Could notload class org.apache.cocoon.faces.samples.components.taglib.AreaTag forcomponent named 'area' atjndi:/localhost/cocoon/WEB-INF/cocoon.xconf:1876:124atorg.apache.cocoon.components.ExtendedComponentSelector.configure(ExtendedComponentSelector.java:235)

atorg.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil.java:201)

atorg.apache.avalon.excalibur.component.DefaultComponentFactory.newInstance(DefaultComponentFactory.java:289)

atorg.apache.avalon.excalibur.component.ThreadSafeComponentHandler.initialize(ThreadSafeComponentHandler.java:108)

atorg.apache.avalon.excalibur.component.ExcaliburComponentSelector.addComponent(ExcaliburComponentSelector.java:705)


        ... 28 more

Caused by: java.lang.ClassNotFoundException:org.apache.cocoon.faces.samples.components.taglib.AreaTagatorg.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)

atorg.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)

atorg.apache.cocoon.components.ExtendedComponentSelector.configure(ExtendedComponentSelector.java:227)


        ... 32 more
stacktrace

java.lang.ClassNotFoundException:org.apache.cocoon.faces.samples.components.taglib.AreaTagatorg.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)