"Export to CSV" fails for reports in JBoss ON UI

Issue

• Trying to export Suspect Metrics Report but receive below message:

"User was authorized, but has no rights for the operation. If this is an LDAP user, the user needs to log in to the UI and complete registration."

• Using rhqadmin the server.log contains:

java.lang.IllegalAccessException: Failed to validate request: could not access subject for request URL http://jonserver:7080/coregui/reports/suspectMetrics.csv
    at org.rhq.enterprise.server.rest.ReportsInterceptor.setCaller(ReportsInterceptor.java:88) [rhq-server.jar:4.12.0.JON330GA-redhat-6]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_102]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_102]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_102]
    at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_102]
    at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptor.java:89) [jboss-as-ee-7.5.8.Final-redhat-2.jar:7.5.8.Final-redhat-2]
    at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
    at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
    at org.rhq.enterprise.server.common.PerformanceMonitorInterceptor.monitorHibernatePerformance(PerformanceMonitorInterceptor.java:32) [rhq-server.jar:4.12.0.JON330GA-redhat-6]
    at sun.reflect.GeneratedMethodAccessor81.invoke(Unknown Source) [:1.8.0_102]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_102]
    at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_102]...