Hi,

While trying to install coccon we are facing some problems even if we go as
per the installation guide. We are trying to install it on WindowsNT 4.0 sp6
running weblogic 6.0. The version of cocoon is 2.1. The error that we are
getting is given below.

<Feb 22, 2002 6:44:12 PM GMT+05:30> <Error> <HTTP>
<[WebAppServletContext(7267308,cocoon)] Error l
oading servlet: 'Cocoon2'
java.lang.NoSuchMethodError
        at
org.apache.avalon.framework.configuration.DefaultConfigurationBuilder.<init>
(DefaultCon
figurationBuilder.java:88)
        at
org.apache.avalon.framework.configuration.DefaultConfigurationBuilder.<init>
(DefaultCon
figurationBuilder.java:64)
        at
org.apache.cocoon.servlet.CocoonServlet.initLogger(CocoonServlet.java:582)
        at
org.apache.cocoon.servlet.CocoonServlet.init(CocoonServlet.java:165)
        at
weblogic.servlet.internal.ServletStubImpl.createServlet(ServletStubImpl.java
:638)
        at
weblogic.servlet.internal.ServletStubImpl.createInstances(ServletStubImpl.ja
va:581)
        at
weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.jav
a:526)
        at
weblogic.servlet.internal.WebAppServletContext.preloadServlet(WebAppServletC
ontext.java
:1078)
        at
weblogic.servlet.internal.WebAppServletContext.preloadServlets(WebAppServlet
Context.jav
a:1022)
        at
weblogic.servlet.internal.HttpServer.loadWARContext(HttpServer.java:468)
        at
weblogic.servlet.internal.HttpServer.loadWebApp(HttpServer.java:404)
        at weblogic.j2ee.WebAppComponent.deploy(WebAppComponent.java:74)
        at weblogic.j2ee.Application.addComponent(Application.java:133)
        at weblogic.j2ee.J2EEService.addDeployment(J2EEService.java:115)
        at
weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentT
arget.java:
327)
        at
weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentT
arget.java:
143)
        at
weblogic.management.mbeans.custom.WebServer.addWebDeployment(WebServer.java:
76)
        at java.lang.reflect.Method.invoke(Native Method)
        at
weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl
.java:562)
        at
weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:5
48)
        at
weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBea
nImpl.java:
285)
        at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
        at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
        at
weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:439)
        at
weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:180)
        at $Proxy29.addWebDeployment(Unknown Source)
        at
weblogic.management.configuration.WebServerMBean_CachingStub.addWebDeploymen
t(WebServer
MBean_CachingStub.java:1012)
        at
weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentT
arget.java:
313)
        at
weblogic.management.mbeans.custom.DeploymentTarget.addDeployments(Deployment
Target.java
:277)
        at
weblogic.management.mbeans.custom.DeploymentTarget.updateServerDeployments(D
eploymentTa
rget.java:232)
        at
weblogic.management.mbeans.custom.DeploymentTarget.updateDeployments(Deploym
entTarget.j
ava:192)
        at java.lang.reflect.Method.invoke(Native Method)
        at
weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl
.java:562)
        at
weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:5
48)
        at
weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBea
nImpl.java:
285)
        at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
        at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
        at
weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:439)
        at
weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:180)
        at $Proxy26.updateDeployments(Unknown Source)
        at
weblogic.management.configuration.ServerMBean_CachingStub.updateDeployments(
ServerMBean
_CachingStub.java:2299)
        at
weblogic.management.mbeans.custom.ApplicationManager.startConfigManager(Appl
icationMana
ger.java:240)
        at
weblogic.management.mbeans.custom.ApplicationManager.start(ApplicationManage
r.java:122)

        at java.lang.reflect.Method.invoke(Native Method)
        at
weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl
.java:562)
        at
weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:5
48)
        at
weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBea
nImpl.java:
285)
        at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
        at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
        at
weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:439)
        at
weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:180)
        at $Proxy20.start(Unknown Source)
        at
weblogic.management.configuration.ApplicationManagerMBean_CachingStub.start(
Application
ManagerMBean_CachingStub.java:435)
        at
weblogic.management.Admin.startApplicationManager(Admin.java:1033)
        at weblogic.management.Admin.finish(Admin.java:493)
        at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java:429)
        at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:170)
        at weblogic.Server.main(Server.java:35)
>
javax.servlet.ServletException: Servlet class:
'org.apache.cocoon.servlet.CocoonServlet' could not
 be handled by the ClassLoader

Thanks in advance

Sandeep 
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