[xwiki-devs] "List of Groups" property error

[shivshan]

Hi
If i try to add a property of type "List of Groups", i get the followng
error. Is this a known issue?
XWiki XE 1.4 running on Windows XP.
Thanks,
Shiva

A problem occured while trying to service your request. Please contact the
support if this happens again.

Detailed information:

        Error number 0 in 11: Uncaught exception
Wrapped Exception: com.xpn.xwiki.objects.meta.GroupsMetaClass
com.xpn.xwiki.XWikiException: Error number 0 in 11: Uncaught exception
Wrapped Exception: com.xpn.xwiki.objects.meta.GroupsMetaClass
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:230)
	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.doPost(ActionServlet.java:432)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:616)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428)
	at
org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:830)
	at
com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112)
	at
org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:821)
	at
org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:471)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568)
	at org.mortbay.http.HttpContext.handle(HttpContext.java:1565)
	at
org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:633)
	at org.mortbay.http.HttpContext.handle(HttpContext.java:1517)
	at org.mortbay.http.HttpServer.service(HttpServer.java:954)
	at org.mortbay.http.HttpConnection.service(HttpConnection.java:816)
	at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:983)
	at org.mortbay.http.HttpConnection.handle(HttpConnection.java:833)
	at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244)
	at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)
	at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)


Wrapped Exception:

java.lang.ClassCastException: com.xpn.xwiki.objects.meta.GroupsMetaClass
	at com.xpn.xwiki.web.PropAddAction.action(PropAddAction.java:56)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:204)
	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.doPost(ActionServlet.java:432)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:616)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428)
	at
org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:830)
	at
com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112)
	at
org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:821)
	at
org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:471)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568)
	at org.mortbay.http.HttpContext.handle(HttpContext.java:1565)
	at
org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:633)
	at org.mortbay.http.HttpContext.handle(HttpContext.java:1517)
	at org.mortbay.http.HttpServer.service(HttpServer.java:954)
	at org.mortbay.http.HttpConnection.service(HttpConnection.java:816)
	at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:983)
	at org.mortbay.http.HttpConnection.handle(HttpConnection.java:833)
	at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244)
	at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)
	at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)


    
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