Cannot log onto the Portal on any servers!

Hi All
I have been attempting to set up a demo of our portal PRD environment which contains one central instance and two dialog instances. I installed the the Cental instance first and then the the dialog instances one at a time. All seemed ok all of the services are started (Green in SAPMMC), however I cannot log into the portal on ANY of the servers.
On both of the application servers I get the following message 'You have requested an application that is currently stopped' and on the central instance I get this message 'Application error occurs during processing the request.'
java.lang.NullPointerException
at com.sap.portal.navigation.Gateway.service(Gateway.java:74)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:385)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:263)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:340)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:318)
at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:821)
at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:239)
at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)
at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:147)
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:37)
at com.sap.engine.core.cluster.impl6.session.UnorderedChannel$MessageRunner.run(UnorderedChannel.java:71)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:94)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:162)'
This is confussing as all of the services are started. I have had a look at the logs and on the application server I have an entry which says 'SAP_J2EECluster=EPP not in repository' and on the Central instance The is no enrty!
I am really stuck here so any help would be great!
Thanks in advance!

Have found this is one of the logs:
#1.5#0014C2612C6300450000FEBD00000DF4000409EB52F77884#1136806220828#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FEBF00000DF4000409EB53900CF2#1136806230828#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FEC100000DF4000409EB5428A15F#1136806240828#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FEC300000DF4000409EB54C135BD#1136806250828#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FEC500000DF4000409EB5559CA3C#1136806260828#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FEC700000DF4000409EB55F25E9A#1136806270828#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FEC900000DF4000409EB568AF31D#1136806280828#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FECB00000DF4000409EB5723877D#1136806290827#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FECD00000DF4000409EB57BC1BFD#1136806300827#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FECF00000DF4000409EB5854B068#1136806310827#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FED100000DF4000409EB58ED44FA#1136806320827#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FED300000DF4000409EB5985D957#1136806330827#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FED500000DF4000409EB5A1E6E91#1136806340827#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FED700000DF4000409EB5AB70234#1136806350827#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##
#1.5#0014C2612C6300450000FED900000DF4000409EB5B4F97C8#1136806360827#com.sap.ip.collaboration.rtc#sap.com/irj#com.sap.ip.collaboration.rtc.class com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.JMSPolling.startRunning()#Guest#2####40a967507ec211dacdac0014c2612c63#Thread[Thread-55,5,SAPEngine_Application_Thread[impl:3]_Group]##0#0#Error##Java###Exception in method: javax.jms.JMSException: JMS Service is not started!##

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