ALC-DSC-031-000: com.adobe.idp.dsc.net.DSCNamingException: Remote EJBObject lookup failed for ejb/In

Hi

I have seen this error way too often now and every time i think i have found a solution to it i get it again. Can anyone please let me know if they have seen this and what the resolution for it is?

Thanks :)

[8/05/08 17:53:10:078 EST] 00000038 WebApp E [Servlet Error]-[check-login]: ALC-DSC-031-000: com.adobe.idp.dsc.net.DSCNamingException: Remote EJBObject lookup failed for ejb/Invocation provider
at com.adobe.idp.dsc.provider.impl.ejb.EjbMessageDispatcher.initialise(EjbMessageDispatcher. java:97)
at com.adobe.idp.dsc.provider.impl.ejb.EjbMessageDispatcher.doSend(EjbMessageDispatcher.java :130)
at com.adobe.idp.dsc.provider.impl.base.AbstractMessageDispatcher.send(AbstractMessageDispat cher.java:57)
at com.adobe.idp.dsc.clientsdk.ServiceClient.invoke(ServiceClient.java:208)
at com.adobe.workspace.users.Authentication.doSSO(Authentication.java:296)
at com.adobe.workspace.users.Authentication.servletCheckLogin(Authentication.java:234)
at com.adobe.workspace.users.AuthenticationServlet.doGet(AuthenticationServlet.java:53)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1068)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1009)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:145)
at com.adobe.workspace.events.RemoteEventClientLifeCycle.doFilter(RemoteEventClientLifeCycle .java:126)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java: 190)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:87)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:771)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:679)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:539)