java.lang.ClassNotFoundException: oracle.security.jps.wls.listeners.JpsApplicati

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　　1. issue description: I got exception when deploy my web application in weblogic server
　　

java.lang.ClassNotFoundException: oracle.adf.share.weblogic.listeners.ADFApplicationLifecycleListener
java.lang.ClassNotFoundException: oracle.mds.lcm.weblogic.WLLifecycleListener
java.lang.ClassNotFoundException: oracle.security.jps.wls.listeners.JpsApplicationLifecycleListener
Actually, even the em won't start in AdminServer becoz of this:
<Sep 23, 2011 12:47:40 PM SGT> <Error> <Deployer> <BEA-149205> <Failed to initialize the application 'em' due to error weblogic.management.DeploymentException: .
weblogic.management.DeploymentException:
at weblogic.application.internal.flow.BaseLifecycleFlow$CreateListenerAction.run(BaseLifecycleFlow.java:176)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.application.internal.flow.BaseLifecycleFlow$BaseAction.invoke(BaseLifecycleFlow.java:104)
at weblogic.application.internal.flow.HeadLifecycleFlow.createListener(HeadLifecycleFlow.java:117)
Truncated. see log file for complete stacktrace
Caused By: java.lang.ClassNotFoundException: oracle.security.jps.wls.listeners.JpsApplicationLifecycleListener
at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(GenericClassLoader.java:297)
at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:270)
at java.lang.ClassLoader.loadClass(ClassLoader.java:305)
at java.lang.ClassLoader.loadClass(ClassLoader.java:246)
at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:179)
Truncated. see log file for complete stacktrace

　　2. the missing class locates at: $WM_HOME\oracle_common\modules\oracle.jps_11.1.1\jps-wls.jar
　　3. add the jar file to your weblogic classes path, then restart the weblogic server