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java.lang.IllegalArgumentException: callerSubject is null	at org.jboss.security.plugins.javaee.WebAuthorizationHelper.hasRole(WebAuthorizationHelper.java:125)	at org.jboss.web.tomcat.security.SecurityAssociationActions$10.run(SecurityAssociationActions.java:363)	at org.jboss.web.tomcat.security.SecurityAssociationActions$10.run(SecurityAssociationActions.java:360)	at java.security.AccessController.doPrivileged(Native Method)	at org.jboss.web.tomcat.security.SecurityAssociationActions.hasRole(SecurityAssociationActions.java:359)	at org.jboss.web.tomcat.security.JBossWebRealm.hasRole(JBossWebRealm.java:598)	at org.apache.catalina.realm.RealmBase.hasResourcePermission(RealmBase.java:789)	at org.jboss.web.tomcat.security.JBossWebRealm.hasResourcePermission(JBossWebRealm.java:475)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:507)	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)	at org.terracotta.modules.tomcat.tomcat_5_5.SessionValve55.tcInvoke(SessionValve55.java:99)	at org.terracotta.modules.tomcat.tomcat_5_5.SessionValve55.invoke(SessionValve55.java:85)	at org.terracotta.session.ModernTomcatSessionValve.invoke(ModernTomcatSessionValve.java:66)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)