java.io.StreamCorruptedException: invalid stream header
	java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:764)
	java.io.ObjectInputStream.<init>(ObjectInputStream.java:277)
	fitnesse.wiki.ProxyPage.getObjectFromUrl(ProxyPage.java:142)
	fitnesse.wiki.ProxyPage.retrievePage(ProxyPage.java:52)
	fitnesse.wiki.VirtualCouplingExtension.loadVirtualChildren(VirtualCouplingExtension.java:45)
	fitnesse.wiki.VirtualCouplingExtension.detectAndLoadVirtualChildren(VirtualCouplingExtension.java:40)
	fitnesse.wiki.VirtualCouplingExtension.getVirtualCoupling(VirtualCouplingExtension.java:33)
	fitnesse.wikitext.widgets.TOCWidget.buildListOfChildPages(TOCWidget.java:269)
	fitnesse.wikitext.widgets.TOCWidget.buildList(TOCWidget.java:164)
	fitnesse.wikitext.widgets.TOCWidget.buildContentsDiv(TOCWidget.java:150)
	fitnesse.wikitext.widgets.TOCWidget.buildListItem(TOCWidget.java:190)
	fitnesse.wikitext.widgets.TOCWidget.buildList(TOCWidget.java:165)
	fitnesse.wikitext.widgets.TOCWidget.buildContentsDiv(TOCWidget.java:150)
	fitnesse.wikitext.widgets.TOCWidget.render(TOCWidget.java:111)
	fitnesse.wikitext.widgets.ParentWidget.childHtml(ParentWidget.java:70)
	fitnesse.wikitext.widgets.WidgetRoot.render(WidgetRoot.java:92)
	fitnesse.wiki.PageData.processHTMLWidgets(PageData.java:196)
	fitnesse.wiki.PageData.getHtml(PageData.java:166)
	fitnesse.responders.WikiPageResponder.generateHtml(WikiPageResponder.java:95)
	fitnesse.responders.WikiPageResponder.makeHtml(WikiPageResponder.java:87)
	fitnesse.responders.WikiPageResponder.makePageResponse(WikiPageResponder.java:70)
	fitnesse.responders.WikiPageResponder.makeResponse(WikiPageResponder.java:45)
	fitnesse.FitNesseExpediter.createGoodResponse(FitNesseExpediter.java:122)
	fitnesse.FitNesseExpediter.makeResponse(FitNesseExpediter.java:105)
	fitnesse.FitNesseExpediter.start(FitNesseExpediter.java:47)
	fitnesse.FitNesseServer.serve(FitNesseServer.java:24)
	fitnesse.FitNesseServer.serve(FitNesseServer.java:17)
	fitnesse.socketservice.SocketService$ServerRunner.run(SocketService.java:88)
	java.lang.Thread.run(Thread.java:613)