Doap creator form crashes

got to 

http://registry.oss-watch.ac.uk/widgets/widgetTitle/doapcreator

and get following

We have encountered a problem

Unable to retrieve widget instance

Root Cause: No underlying cause
Please help us

We will do our best to resolve this as quickly as possible. In order to assist 
us please take a few moments to report this error in our issue tracker. The 
more information you give us the better useful details include:

    * what you were attempting to do?
    * what action did you take?
    * what did you expect to happen?
    * what actually happened?
    * is the error reproducable?

Please also cut and paste the content from below into the error report, this 
will help us to track down the problem.

Unable to retrieve widget instance

Error reported by: class uk.ac.osswatch.simal.wicket.widgets.WidgetInstancePage

uk.ac.osswatch.simal.wicket.UserReportableException: Unable to retrieve widget 
instance
    at uk.ac.osswatch.simal.wicket.widgets.WidgetInstancePage.reportError(WidgetInstancePage.java:89)
    at uk.ac.osswatch.simal.wicket.widgets.WidgetInstancePage.populatePage(WidgetInstancePage.java:84)
    at uk.ac.osswatch.simal.wicket.widgets.WidgetInstancePage.<init>(WidgetInstancePage.java:59)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at org.apache.wicket.session.DefaultPageFactory.createPage(DefaultPageFactory.java:188)
    at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:89)
    at org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.newPage(BookmarkablePageRequestTarget.java:306)
    at org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.getPage(BookmarkablePageRequestTarget.java:321)
    at org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.processEvents(BookmarkablePageRequestTarget.java:234)
    at org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
    at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1250)
    at org.apache.wicket.RequestCycle.step(RequestCycle.java:1329)
    at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1428)
    at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
    at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:468)
    at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:301)
    at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
    at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:387)
    at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
    at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
    at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
    at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)
    at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
    at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
    at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
    at org.mortbay.jetty.Server.handle(Server.java:326)
    at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)
    at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864)
    at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539)
    at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
    at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
    at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
    at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)

Simal User Site | Simal Developer Site
Original issue reported on code.google.com by ste...@fullmeasure.co.uk on 24 Nov 2010 at 5:35
HughP / simal

Doap creator form crashes #357
