Failed to load webapp: '/em'

Question

Hi, I’m attempting to set up an 11g Forms Development environment on my desktop, and I’m having trouble with Enterprise Manager… From the WLS console / Deployments, I see ‘em’ with a state of ‘Failed’; in the Startup window, I see the error messages below.  (I’ve attempted the advice in another post – ‘delete all files under …domain..\servers\AdminServer\tmp’ and restart, to no avail).  Any help would be greatly appreciated. (Windows 7, JDK 1.6.0_43, WLS 10.3.6, Fusion Middleware 11.1.2.1.0_64)
<Sep 18, 2013 1:26:05 PM EDT> <Error> <HTTP> <BEA-101371> <There was a failure when processing annotations for application C:\Oracle\Middleware\user_projects\domains\ClassicDomain\servers\AdminServer\tmp\_WL_user\em\hsz5x1\em.war. Please make sure that the annotations are valid. The error is >
<Sep 18, 2013 1:26:05 PM EDT> <Error> <Deployer> <BEA-149205> <Failed to initialize the application 'em' due to error weblogic.application.ModuleException: Failed to load webapp: '/em'.
                weblogic.application.ModuleException: Failed to load webapp: '/em'
        at weblogic.servlet.internal.WebAppModule.prepare(WebAppModule.java:395)
        at weblogic.application.internal.flow.ScopedModuleDriver.prepare(ScopedModuleDriver.java:176)
        at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:199)
        at weblogic.application.internal.flow.DeploymentCallbackFlow$1.next(DeploymentCallbackFlow.java:517)
        at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52)
Truncated. see log file for complete stacktrace
Caused By: java.lang.ClassNotFoundException: org.apache.myfaces.trinidadinternal
.taglib.UIXCollectionTag
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
Truncated. see log file for complete stacktrace
>
<Sep 18, 2013 1:26:07 PM EDT> <Error> <org.apache.beehive.netui.pageflow.internal.AdapterManager> <BEA-000000> <ServletContainerAdapter manager not initialized correctly.>

Answer 1

Hello, pay attention to:
Caused By: java.lang.ClassNotFoundException: org.apache.myfaces.trinidadinternal
.taglib.UIXCollectionTag
The solution is here:
EM Fails to Start After Config with BEA-149205 Failed to initialize the application 'em' (Doc ID 1310884.1)