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java.lang.NullPointerException
javax.security.auth.login.LoginException: java.lang.NullPointerException	at oracle.bi.security.provider.wls.authentication.dbms.SQLGroupDatabaseConnectionPool.checkinConnection(SQLGroupDatabaseConnectionPool.java:65)	at oracle.bi.security.provider.wls.authentication.dbms.SQLGroupLoginModule.checkinConnection(SQLGroupLoginModule.java:297)	at oracle.bi.security.provider.wls.authentication.dbms.SQLGroupLoginModule.login(SQLGroupLoginModule.java:241)	at com.bea.common.security.internal.service.LoginModuleWrapper$1.run(LoginModuleWrapper.java:110)	at java.security.AccessController.doPrivileged(Native Method)	at com.bea.common.security.internal.service.LoginModuleWrapper.login(LoginModuleWrapper.java:106)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at javax.security.auth.login.LoginContext.invoke(LoginContext.java:769)	at javax.security.auth.login.LoginContext.access$000(LoginContext.java:186)	at javax.security.auth.login.LoginContext$4.run(LoginContext.java:683)	at java.security.AccessController.doPrivileged(Native Method)	at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680)	at javax.security.auth.login.LoginContext.login(LoginContext.java:579)	at com.bea.common.security.internal.service.JAASLoginServiceImpl.login(JAASLoginServiceImpl.java:113)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.bea.common.security.internal.utils.Delegator$ProxyInvocationHandler.invoke(Delegator.java:57)	at $Proxy38.login(Unknown Source)	at weblogic.security.service.internal.WLSJAASLoginServiceImpl$ServiceImpl.login(WLSJAASLoginServiceImpl.java:89)	at com.bea.common.security.internal.service.JAASAuthenticationServiceImpl.authenticate(JAASAuthenticationServiceImpl.java:82)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.bea.common.security.internal.utils.Delegator$ProxyInvocationHandler.invoke(Delegator.java:57)	at $Proxy58.authenticate(Unknown Source)	at weblogic.security.service.WLSJAASAuthenticationServiceWrapper.authenticate(WLSJAASAuthenticationServiceWrapper.java:40)	at weblogic.security.service.PrincipalAuthenticator.authenticate(PrincipalAuthenticator.java:348)	at weblogic.security.service.CommonSecurityServiceManagerDelegateImpl.doBootAuthorization(CommonSecurityServiceManagerDelegateImpl.java:929)	at weblogic.security.service.CommonSecurityServiceManagerDelegateImpl.initialize(CommonSecurityServiceManagerDelegateImpl.java:1050)	at weblogic.security.service.SecurityServiceManager.initialize(SecurityServiceManager.java:873)	at weblogic.security.SecurityService.start(SecurityService.java:141)	at weblogic.t3.srvr.SubsystemRequest.run(SubsystemRequest.java:64)	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)	at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)	at javax.security.auth.login.LoginContext.invoke(LoginContext.java:872)	at javax.security.auth.login.LoginContext.access$000(LoginContext.java:186)	at javax.security.auth.login.LoginContext$4.run(LoginContext.java:683)	at java.security.AccessController.doPrivileged(Native Method)	at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680)