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(E jbMessageDispatcher.java:97)
at com.adobe.idp.dsc.provider.impl.ejb.EjbMessageDispatcher.doSend(EjbMe ssageDispatcher.java:130)
at com.adobe.idp.dsc.provider.impl.base.AbstractMessageDispatcher.send(A bstractMessageDispatcher.java:57)
at com.adobe.idp.dsc.clientsdk.ServiceClient.invoke(ServiceClient.java:2 08)
at com.adobe.workspace.users.Authentication.doSSO(Authentication.java:29 6)
at com.adobe.workspace.users.Authentication.servletCheckLogin(Authentica tion.java:234)
at com.adobe.workspace.users.AuthenticationServlet.doGet(AuthenticationS ervlet.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(WebAppFilte rChain.java:145)
at com.adobe.workspace.events.RemoteEventClientLifeCycle.doFilter(Remote EventClientLifeCycle.java:126)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterI nstanceWrapper.java:190)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilte rChain.java:130)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilt erChain.java:87)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFil terManager.java:771)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFil terManager.java:679)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletW rapper.java:539)