Hi!

I experienced the same problem in 3.0: two spaces with the same names and i 
can't delete it also because of 

    Error number 0 in 11: Uncaught exception
Wrapped Exception: null
com.xpn.xwiki.XWikiException: Error number 0 in 11: Uncaught exception
Wrapped Exception: null
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:240)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:117)
        at 
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
        at 
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
        at 
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
        at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:129)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:152)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:68)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:218)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
        at java.lang.Thread.run(Unknown Source)


Wrapped Exception:

java.lang.NullPointerException
        at 
com.xpn.xwiki.doc.XWikiAttachment.toStringXML(XWikiAttachment.java:333)
        at 
com.xpn.xwiki.store.VoidAttachmentVersioningStore$VoidAttachmentArchive.getArchive(VoidAttachmentVersioningStore.java:143)
        at 
com.xpn.xwiki.doc.XWikiAttachmentArchive.getArchive(XWikiAttachmentArchive.java:126)
        at com.xpn.xwiki.doc.XWikiAttachment.toXML(XWikiAttachment.java:422)
        at com.xpn.xwiki.doc.XWikiDocument.toXML(XWikiDocument.java:4024)
        at com.xpn.xwiki.doc.XWikiDocument.toXML(XWikiDocument.java:4102)
        at com.xpn.xwiki.doc.XWikiDocument.toXML(XWikiDocument.java:3851)
        at com.xpn.xwiki.doc.XWikiDocument.toFullXML(XWikiDocument.java:3769)
        at 
com.xpn.xwiki.doc.XWikiDeletedDocument.setDocument(XWikiDeletedDocument.java:193)
        at 
com.xpn.xwiki.doc.XWikiDeletedDocument.<init>(XWikiDeletedDocument.java:89)
        at 
com.xpn.xwiki.store.XWikiHibernateRecycleBinStore.saveToRecycleBin(XWikiHibernateRecycleBinStore.java:68)
        at com.xpn.xwiki.XWiki.deleteDocument(XWiki.java:4319)
        at com.xpn.xwiki.XWiki.deleteDocument(XWiki.java:4299)
        at com.xpn.xwiki.XWiki.deleteAllDocuments(XWiki.java:6228)
        at com.xpn.xwiki.XWiki.deleteAllDocuments(XWiki.java:6217)
        at com.xpn.xwiki.web.DeleteAction.action(DeleteAction.java:94)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:215)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:117)
        at 
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
        at 
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
        at 
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
        at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:129)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:152)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:68)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:218)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
        at java.lang.Thread.run(Unknown Source)

> > Are you sure there is only one page ? Maybe you have a "WebHome" page
> > too in this spaces ? Did you checked with document index ?

I have several pages inside problematic space and no WebHome in it. None of 
these pages could be deleted.

So, now I'm waiting for the upgrade to export necessary spaces and import them 
back after dropping database :-((

Kind Regards,

Dmitry


Thu, 19 Apr 2012 13:26:12 +0100 от Martin Evans <[email protected]>:
> I am on Main.AllDocs and I enter '+' into the space field and two documents
> show up - try it yourself http://bit.ly/J7oIGU
> 
> I don't want these pages or spaces to exist so I press delete. It tells me
> the page does not exist when I try this.
> 
> 
> > Are you sure there is only one page ? Maybe you have a "WebHome" page
> > too in this spaces ? Did you checked with document index ?
> >
> > How do you delete/access the page ?
> >
> > On Wed, Apr 18, 2012 at 6:54 PM, Martin Evans <[email protected]>
> > wrote:
> > > I currently have two spaces, one called "Environment And Sustainability"
> > > and the other called "Environment+And+Sustainability". If I try to delete
> > > the only page in the erroneous space it says "The requested document
> > could
> > > not be found". So if the page isn't there, why is the space there?
> > >
> > > Martin
> >
> _______________________________________________
> users mailing list
> [email protected]
> http://lists.xwiki.org/mailman/listinfo/users
> 
Kind regards,

Dmitry
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