Initialization of dispatcher failed ...... coz of DATABASE error ...

hi friends,

I am working on my developement server which is on windows 2000 machine .... i started my dispatcher, server, and state controllers batch file .... but when i am trying to access my portal thru browser i am getting the following error :

Service Unavailable 503!

javax.servlet.UnavailableException: Initialization of Dispatcher failed

at com.sapportals.portal.prt.dispatcher.Dispatcher.initDispatcher(Dispatcher.java:370)

at com.sapportals.portal.prt.dispatcher.Dispatcher.initDispatcher(Dispatcher.java:212)

at com.sapportals.portal.prt.dispatcher.Dispatcher.access$400(Dispatcher.java:40)

at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:447)

at java.security.AccessController.doPrivileged(Native Method)

at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:415)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at com.inqmy.services.servlets_jsp.server.InvokerServlet.service(InvokerServlet.java:126)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at com.inqmy.services.servlets_jsp.server.RunServlet.runSerlvet(RunServlet.java:149)

at com.inqmy.services.servlets_jsp.server.ServletsAndJspImpl.startServlet(ServletsAndJspImpl.java:832)

at com.inqmy.services.httpserver.server.RequestAnalizer.checkFilename(RequestAnalizer.java:665)

at com.inqmy.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:312)

at com.inqmy.services.httpserver.server.Response.handle(Response.java:173)

at com.inqmy.services.httpserver.server.HttpServerFrame.request(HttpServerFrame.java:1245)

at com.inqmy.core.service.context.container.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:36)

at com.inqmy.core.cluster.impl5.ParserRunner.run(ParserRunner.java:55)

at com.inqmy.core.thread.impl0.ActionObject.run(ActionObject.java:46)

at java.security.AccessController.doPrivileged(Native Method)

at com.inqmy.core.thread.impl0.SingleThread.run(SingleThread.java:148)

Could neone tell me why this error is coming? and the solution for this .....

rgds,

nilz