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francois commented on WICKET-6485: ---------------------------------- I forgot to mention that : When I got this exception it was only after having closed the browser, reopened it and clicked on the stateful page link I previously bookmarked. But if I did not close the browser and just removed the history (clean the cache) I got the Page Expired, which was ok. > IllegalArgumentException: Argument 'pageClass' may not be null > -------------------------------------------------------------- > > Key: WICKET-6485 > URL: https://issues.apache.org/jira/browse/WICKET-6485 > Project: Wicket > Issue Type: Bug > Components: wicket > Affects Versions: 8.0.0-M7 > Reporter: francois > Assignee: Andrea Del Bene > Priority: Minor > Attachments: quickstart.zip > > > If I bookmark a stateful page, close the browser, reopen it and click on the > bookmark > I get an IllegalArgumentException > java.lang.IllegalArgumentException: Argument 'pageClass' may not be null. > at org.apache.wicket.util.lang.Args.notNull(Args.java:41) > at > org.apache.wicket.core.request.mapper.AbstractBookmarkableMapper$UrlInfo.<init>(AbstractBookmarkableMapper.java:90) > at > org.apache.wicket.core.request.mapper.AbstractBookmarkableMapper.mapHandler(AbstractBookmarkableMapper.java:410) > at > org.apache.wicket.request.mapper.CompoundRequestMapper.mapHandler(CompoundRequestMapper.java:210) -- This message was sent by Atlassian JIRA (v6.4.14#64029)