ListView multiple windows

[wheleph <wh...@gmail.com>]

Hello everyone.

Preamble: I want to forbid simultaneous login of the same user from
different clients. In particular I must handle opening of new window in the
same session (Ctrl+N in IE). To achieve this I override
WebPage.onNewBrowserWindow().

Here is the use case that causes a problem.
1. A user successfully logs in with IE.
2. The user presses Ctrl+N
3. Static html-page containing info that my app doesn't support multiple
windows gets displayed in a new window.
4. The user clicks on a link that is located within ListView in the initial
window and
5. Gets the following exception:
2007-11-16 13:01:40,304 ERROR [wicket.RequestCycle] - 
java.lang.NullPointerException
	at
wicket.request.compound.DefaultRequestTargetResolverStrategy.resolveListenerInterfaceTarget(DefaultRequestTargetResolverStrategy.java:295)
	at
wicket.request.compound.DefaultRequestTargetResolverStrategy.resolveRenderedPage(DefaultRequestTargetResolverStrategy.java:228)
	at
wicket.request.compound.DefaultRequestTargetResolverStrategy.resolve(DefaultRequestTargetResolverStrategy.java:153)
	at
wicket.request.compound.AbstractCompoundRequestCycleProcessor.resolve(AbstractCompoundRequestCycleProcessor.java:48)
	at wicket.RequestCycle.step(RequestCycle.java:992)
	at wicket.RequestCycle.steps(RequestCycle.java:1084)
	at wicket.RequestCycle.request(RequestCycle.java:454)
	at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:219)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
	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:712)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
	at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:211)
	at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
	at org.mortbay.jetty.Server.handle(Server.java:313)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506)
	at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:830)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
	at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:396)
	at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)

The problem is that link in ListView may not be resolved. I guess this is
because it was in some way "detached" from parent ListView.

How to "refresh" that ListView? Or maybe some other ideas?

wheleph
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