Receiving "Can not connect http client invoker. Response: OK/200." exception when executing JBoss ON script that updates roles

Issue

• When updating roles through JBoss ON CLI, receive exception:

Exception in thread "main" org.rhq.enterprise.client.script.CLIScriptException: javax.script.ScriptException: sun.org.mozilla.javascript.internal.WrappedException: Wrapped org.jboss.remoting.CannotConnectException: Can not connect http client invoker. Response: OK/200. (<Unknown source>#36) in <Unknown source> at line number 36
        at org.rhq.enterprise.client.commands.ScriptCommand.executeScriptFile(ScriptCommand.java:298)
        at org.rhq.enterprise.client.commands.ScriptCommand.execute(ScriptCommand.java:108)
        at org.rhq.enterprise.client.ClientMain$StartupConfiguration.process(ClientMain.java:141)
        at org.rhq.enterprise.client.ClientMain.main(ClientMain.java:161)
Caused by: javax.script.ScriptException: sun.org.mozilla.javascript.internal.WrappedException: Wrapped org.jboss.remoting.CannotConnectException: Can not connect http client invoker. Response: OK/200. (<Unknown source>#36) in <Unknown source> at line number 36
        at com.sun.script.javascript.RhinoScriptEngine.eval(RhinoScriptEngine.java:153)
        at javax.script.AbstractScriptEngine.eval(AbstractScriptEngine.java:232)
        at org.rhq.enterprise.client.commands.ScriptCommand.executeScriptFile(ScriptCommand.java:287)
        ... 3 more