java.lang.NullPointerException: This exception has no message.
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java.lang.NullPointerException:
at java.util.Hashtable.get(Hashtable.java:320)
at weblogic.security.acl.internal.FileRealm.getUser(FileRealm.java:386)
at weblogic.security.acl.CachingRealm.getUserEntry(CachingRealm.java:829)
at weblogic.security.acl.CachingRealm.getUser(CachingRealm.java:670)
at com.i2.shared.server.weblogic.security.RdbmsRealm51.getUser(RdbmsRealm51.java:232)
at weblogic.security.acl.CachingRealm.authenticate(CachingRealm.java:956)
at weblogic.security.acl.CachingRealm.getUser(CachingRealm.java:863)
at weblogic.security.acl.Realm.authenticate(Realm.java:200)
at weblogic.security.acl.Realm.getAuthenticatedName(Realm.java:233)
at weblogic.security.acl.internal.Security.authenticate(Security.java:116)
at weblogic.servlet.security.internal.SecurityModule.checkAuthenticate(SecurityModule.java:248)
at weblogic.servlet.security.ServletAuthentication.weak(ServletAuthentication.java:208)
at weblogic.servlet.security.ServletAuthentication.weak(ServletAuthentication.java:185)
at weblogic.servlet.security.internal.BasicSecurityModule.checkAuthenticateHeader(BasicSecurityModule.java:65)
at weblogic.servlet.security.internal.ServletSecurityManager.checkAccess(ServletSecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:1250)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:1631)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)