Users unable to login to CMA

Hi,

Our users cannot login to CMA and I looked at VCM Runtime log and found this error:

2008-05-29 18:29:11,305 | ERROR | tte.logging.VgnLoggedException | 003-003-0013: Authentication for user mcmsVgnadmin was denied. [Thread-20] [com.vignette.authn.WLContextAuthentication@72d2b72]
com.vignette.authn.AuthnException: 05/29/2008 18:29:11:305, Error 0 (Unknown), Message 003-003-0013: Authentication for user mcmsVgnadmin was denied.
    at com.vignette.authn.AuthnException.getOne(AuthnException.java:166)
    at com.vignette.authn.AuthnException.getOne(AuthnException.java:140)
    at com.vignette.authn.WLContextAuthentication.loginUser(WLContextAuthentication.java:85)
    at com.vignette.authn.BaseAuthentication.login(BaseAuthentication.java:72)
    at com.vignette.authn.LoginMgr.updateLogin(LoginMgr.java:134)
    at com.vignette.authn.LoginMgr.login(LoginMgr.java:114)
    at com.vignette.pws.utils.HomeLocatorFactory.ensureLogin(HomeLocatorFactory.java:337)
    at com.vignette.pws.utils.HomeLocatorFactory.getInitialContext(HomeLocatorFactory.java:259)
    at com.vignette.pws.utils.HomeLocatorFactory.getClientInitialContext(HomeLocatorFactory.java:199)
    at com.vignette.pws.processengine.TimeoutSweepTask.getProcessEngineBean(TimeoutSweepTask.java:65)
    at com.vignette.pws.processengine.TimeoutSweepTask.run(TimeoutSweepTask.java:50)
    at java.util.TimerThread.mainLoop(Timer.java:432)
    at java.util.TimerThread.run(Timer.java:382)
Nested exception is:
javax.security.auth.login.FailedLoginException: [Security:090304]Authentication Failed: User mcmsVgnadmin weblogic.security.internal.encryption.EncryptionServiceException - with nested exception:
[com.rsa.jsafe.JSAFE_InvalidUseException: IV missing.]
    at weblogic.security.providers.authentication.LDAPAtnLoginModuleImpl.login(LDAPAtnLoginModuleImpl.java:197)
    at weblogic.security.service.DelegateLoginModuleImpl.login(DelegateLoginModuleImpl.java:71)
    at jrockit.reflect.VirtualNativeMethodInvoker.invoke(Ljava.lang.Object;[Ljava.lang.Object;)Ljava.lang.Object;(Unknown Source)
    at java.lang.reflect.Method.invoke(Ljava.lang.Object;[Ljava.lang.Object;I)Ljava.lang.Object;(Unknown Source)
    at javax.security.auth.login.LoginContext.invoke(LoginContext.java:675)
    at javax.security.auth.login.LoginContext.access$000(LoginContext.java:129)
    at javax.security.auth.login.LoginContext$4.run(LoginContext.java:610)
    at javax.security.auth.login.LoginContext.invokeModule(LoginContext.java:607)
    at javax.security.auth.login.LoginContext.login(LoginContext.java:534)
    at weblogic.security.service.PrincipalAuthenticator.authInternal(PrincipalAuthenticator.java:366)
    at weblogic.security.service.PrincipalAuthenticator.authenticate(PrincipalAuthenticator.java:306)
    at weblogic.security.service.PrincipalAuthenticator.authenticate(PrincipalAuthenticator.java:314)
    at weblogic.jndi.WLInitialContextFactoryDelegate.authenticateLocally(WLInitialContextFactoryDelegate.java:597)
    at weblogic.jndi.WLInitialContextFactoryDelegate.pushSubject(WLInitialContextFactoryDelegate.java:540)
    at weblogic.jndi.WLInitialContextFactoryDelegate.newContext(WLInitialContextFactoryDelegate.java:355)
    at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLInitialContextFactoryDelegate.java:327)
    at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLInitialContextFactoryDelegate.java:253)
    at weblogic.jndi.WLInitialContextFactory.getInitialContext(WLInitialContextFactory.java:135)
    at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:662)
    at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243)

2008-05-29 18:29:11,320 | ERROR | e.pws.utils.HomeLocatorFactory | 013-024-0011: lookupHome: could not get initial context. [Thread-20] []

It has been resolved by restarting the VCM Server.

Have you experienced this kind of error? Any idea what causes this problem?

For your advise please. 

regards,

alming