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java.lang.NullPointerException at weblogic.security.service.PrincipalAuthenticator.initialize(PrincipalAuthenticator.java:258) at weblogic.security.service.PrincipalAuthenticator.<init>(PrincipalAuthenticator.java:328) at weblogic.security.service.SecurityServiceManagerDelegateImpl.doATN(SecurityServiceManagerDelegateImpl.java:592) at weblogic.security.service.SecurityServiceManagerDelegateImpl.initializeRealm(SecurityServiceManagerDelegateImpl.java:442) at weblogic.security.service.SecurityServiceManagerDelegateImpl.loadRealm(SecurityServiceManagerDelegateImpl.java:695) at weblogic.security.service.SecurityServiceManagerDelegateImpl.initializeRealms(SecurityServiceManagerDelegateImpl.java:724) at weblogic.security.service.SecurityServiceManagerDelegateImpl.initialize(SecurityServiceManagerDelegateImpl.java:876) at weblogic.security.service.SecurityServiceManager.initialize(SecurityServiceManager.java:775) at weblogic.security.SecurityService.start(SecurityService.java:133) at weblogic.t3.srvr.SubsystemRequest.run(SubsystemRequest.java:64) at weblogic.work.ServerWorkManagerImpl$WorkAdapterImpl.run(ServerWorkManagerImpl.java:518) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207) at weblogic.work.ExecuteThread.run(ExecuteThread.java:179)Caused by: java.lang.NullPointerException at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) at weblogic.security.service.SecurityServiceManagerDelegateImpl.createSecurityProvider(SecurityServiceManagerDelegateImpl.java:267) at weblogic.security.service.SecurityServiceManager.createSecurityProvider(SecurityServiceManager.java:1000) at weblogic.security.service.adapters.AdapterFactory.getAuthenticationProvider(AdapterFactory.java:73) at weblogic.security.service.PrincipalAuthenticator.initialize(PrincipalAuthenticator.java:180) ... 12 more