[WICKET-4842] WicketRuntimeException when Tomcat cleans up a session later on

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.5.7
• Fix Version/s: 1.5.9, 6.3.0
• Assignee: Martin Tzvetanov Grigorov
• Reporter: Matthias Keller
• Created: 26/Oct/12 06:43
• Updated: 02/Nov/12 14:51
• Resolved: 02/Nov/12 14:51

Description

When I let my tomcat 6 sit around for a couple hours, a session will expire after a while.
Exactly 4 hours after the last request, I then get this stacktrace on system out:

[exec] 25.10.2012 19:59:08 org.apache.catalina.core.ContainerBase backgroundProcess
[exec] WARNUNG: Exception processing manager org.apache.catalina.session.StandardManager@b3f7eb background process
[exec] org.apache.wicket.WicketRuntimeException: There is no application attached to current thread ContainerBackgroundProcessor[StandardEngine[Catalina]]
[exec] at org.apache.wicket.Application.get(Application.java:231)
[exec] at org.apache.wicket.protocol.http.AbstractRequestLogger.<init>(AbstractRequestLogger.java:111)
[exec] at org.apache.wicket.protocol.http.RequestLogger.<init>(RequestLogger.java:45)
[exec] at org.apache.wicket.Application.newRequestLogger(Application.java:759)
[exec] at org.apache.wicket.Application.getRequestLogger(Application.java:439)
[exec] at org.apache.wicket.protocol.http.WebApplication.sessionUnbound(WebApplication.java:511)
[exec] at org.apache.wicket.session.HttpSessionStore$SessionBindingListener.valueUnbound(HttpSessionStore.java:454)
[exec] at org.apache.catalina.session.StandardSession.removeAttributeInternal(StandardSession.java:1654)
[exec] at org.apache.catalina.session.StandardSession.expire(StandardSession.java:756)
[exec] at org.apache.catalina.session.StandardSession.isValid(StandardSession.java:592)
[exec] at org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:680)
[exec] at org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:665)
[exec] at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1316)
[exec] at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)
[exec] at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
[exec] at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
[exec] at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
[exec] at java.lang.Thread.run(Thread.java:662)