[WICKET-2268] NullPointerException NPE in DiskPageStore after Session Timeout

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.4-RC2
• Fix Version/s: 1.3.7, 1.4-RC6
• Component/s: wicket
• Environment: JDK 1.6, Netbeans 6.5 with GlassFish
• Assignee: Matej Knopp
• Reporter: bernard
• Created: 10/May/09 04:21
• Updated: 10/Jul/09 17:29
• Resolved: 10/Jul/09 15:14

Description

A NullPointerException is thrown on an attempt to sumit a login form after session timeout.
Wicket version 1.4 RC2

java.lang.NullPointerException
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:768)
at org.apache.wicket.protocol.http.pagestore.DiskPageStore.getSessionEntry(DiskPageStore.java:661)
at org.apache.wicket.protocol.http.pagestore.DiskPageStore.containsPage(DiskPageStore.java:1255)
at org.apache.wicket.protocol.http.SecondLevelCacheSessionStore$SecondLevelCachePageMap.containsPage(SecondLevelCacheSessionStore.java:268)
at org.apache.wicket.Session.getPage(Session.java:660)
at org.apache.wicket.request.target.coding.HybridUrlCodingStrategy.decode(HybridUrlCodingStrategy.java:211)
at org.apache.wicket.protocol.http.request.WebRequestCodingStrategy.targetForRequest(WebRequestCodingStrategy.java:490)
at org.apache.wicket.protocol.http.WebRequestCycleProcessor.resolve(WebRequestCycleProcessor.java:184)
at g1.base.MemberApplication$2.resolve(MemberApplication.java:327)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1246)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1366)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:498)
at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:444)
at org.apache.wicket.protocol.http.WicketServlet.doPost(WicketServlet.java:159)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:738)

Please refer to the attached testcase.