java.lang.NullPointerException

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  • java.lang.NullPointerException at weblogic.security.SimpleCallbackHandler.<init>(SimpleCallbackHandler.java:32) at weblogic.common.internal.RMIBootServiceImpl.authenticate(RMIBootServiceImpl.java:101) at weblogic.common.internal.RMIBootServiceImpl_WLSkel.invoke(Unknown Source) at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:503) at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:393) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:147) at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:389) at weblogic.rmi.internal.BasicServerRef.access$300(BasicServerRef.java:56) at weblogic.rmi.internal.BasicServerRef$BasicExecuteRequest.run(BasicServerRef.java:903) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207) at weblogic.work.ExecuteThread.run(ExecuteThread.java:179)

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