What version of OS and Java? I've had problems with Cocoon 2.1.8 and Java 5 (j2sdk 1.5.0_05 in my situation) in Windows 2000 Server and 2003 Server. I had to revert back to Java 1.4.2_xx (I'm running 1.4.2_10). The problem occurred regardless of the Java-Tomcat combination used (Java 5 - Tomcat 5.5.xx and Java 5 - Tomcat 5.0.xx).
Gary T. Schultz IT Administrator Wisconsin Department of Commerce 201 W. Washington Ave Madison, WI 53214 608-266-1283 [EMAIL PROTECTED] -----Original Message----- From: wangwenzhou wangwenzhou [mailto:[EMAIL PROTECTED] Sent: Tuesday, February 07, 2006 12:32 AM To: [email protected] Subject: a suprise problem Dear cocoon developers: I am the cocoon loyal user. Currently, my cocoon can not work. It always appears the follow information.But in the past it worked correctly. And now, my project is urgently near the dead line. Can you please to give me some 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 not load class org.apache.cocoon.components.ExtendedComponentSelector for component named 'http://java.sun.com/jsf/demo/components' at jndi:/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 not load class org.apache.cocoon.components.ExtendedComponentSelector for component named 'http://java.sun.com/jsf/demo/components' at jndi:/localhost/cocoon/WEB-INF/cocoon.xconf:1875:156 at org.apache.cocoon.components.ExtendedComponentSelector.configure(ExtendedCom ponentSelector.java:235) at org.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil. java:201) at org.apache.avalon.excalibur.component.DefaultComponentFactory.newInstance(De faultComponentFactory.java:289) at org.apache.avalon.excalibur.component.ThreadSafeComponentHandler.initialize( ThreadSafeComponentHandler.java:108) at org.apache.avalon.excalibur.component.ExcaliburComponentManager.initialize(E xcaliburComponentManager.java:524) at org.apache.cocoon.components.CocoonComponentManager.initialize(CocoonCompone ntManager.java:566) at org.apache.avalon.framework.container.ContainerUtil.initialize(ContainerUtil .java:244) at org.apache.cocoon.Cocoon.initialize(Cocoon.java:336) at org.apache.avalon.framework.container.ContainerUtil.initialize(ContainerUtil .java:244) at org.apache.cocoon.servlet.CocoonServlet.createCocoon(CocoonServlet.java:1429 ) at org.apache.cocoon.servlet.CocoonServlet.init(CocoonServlet.java:499) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:10 91) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:925) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java: 3857) at org.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) at org.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: Could not set up Component for hint [ http://java.sun.com/jsf/demo/components] (key [http://java.sun.com/jsf/demo/components]) at org.apache.avalon.excalibur.component.ExcaliburComponentSelector.addComponen t(ExcaliburComponentSelector.java:723) at org.apache.cocoon.components.ExtendedComponentSelector.configure(ExtendedCom ponentSelector.java:228) ... 27 more Caused by: org.apache.avalon.framework.configuration.ConfigurationException: Could not load class org.apache.cocoon.faces.samples.components.taglib.AreaTag for component named 'area' at jndi:/localhost/cocoon/WEB-INF/cocoon.xconf:1876:124 at org.apache.cocoon.components.ExtendedComponentSelector.configure(ExtendedCom ponentSelector.java:235) at org.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil. java:201) at org.apache.avalon.excalibur.component.DefaultComponentFactory.newInstance(De faultComponentFactory.java:289) at org.apache.avalon.excalibur.component.ThreadSafeComponentHandler.initialize( ThreadSafeComponentHandler.java:108) at org.apache.avalon.excalibur.component.ExcaliburComponentSelector.addComponen t(ExcaliburComponentSelector.java:705) ... 28 more Caused by: java.lang.ClassNotFoundException: org.apache.cocoon.faces.samples.components.taglib.AreaTag at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav a:1332) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav a:1181) at org.apache.cocoon.components.ExtendedComponentSelector.configure(ExtendedCom ponentSelector.java:227) ... 32 more stacktrace java.lang.ClassNotFoundException: org.apache.cocoon.faces.samples.components.taglib.AreaTag at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav a:1332) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav a:1181) at org.apache.cocoon.components.ExtendedComponentSelector.configure(ExtendedCom ponentSelector.java:227) at org.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil. java:201) at org.apache.avalon.excalibur.component.DefaultComponentFactory.newInstance(De faultComponentFactory.java:289) at org.apache.avalon.excalibur.component.ThreadSafeComponentHandler.initialize( ThreadSafeComponentHandler.java:108) at org.apache.avalon.excalibur.component.ExcaliburComponentSelector.addComponen t(ExcaliburComponentSelector.java:705) at org.apache.cocoon.components.ExtendedComponentSelector.configure(ExtendedCom ponentSelector.java:228) at org.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil. java:201) at org.apache.avalon.excalibur.component.DefaultComponentFactory.newInstance(De faultComponentFactory.java:289) at org.apache.avalon.excalibur.component.ThreadSafeComponentHandler.initialize( ThreadSafeComponentHandler.java:108) at org.apache.avalon.excalibur.component.ExcaliburComponentManager.initialize(E xcaliburComponentManager.java:524) at org.apache.cocoon.components.CocoonComponentManager.initialize(CocoonCompone ntManager.java:566) at org.apache.avalon.framework.container.ContainerUtil.initialize(ContainerUtil .java:244) at org.apache.cocoon.Cocoon.initialize(Cocoon.java:336) at org.apache.avalon.framework.container.ContainerUtil.initialize(ContainerUtil .java:244) at org.apache.cocoon.servlet.CocoonServlet.createCocoon(CocoonServlet.java:1429 ) at org.apache.cocoon.servlet.CocoonServlet.init(CocoonServlet.java:499) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:10 91) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:925) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java: 3857) at org.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) at org.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) Apache Cocoon 2.1.8 : 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