https://issues.apache.org/bugzilla/show_bug.cgi?id=50448
Summary: StandardSession.expire causes IllegalStateException:
getCreationTime: Session already invalidated
Product: Tomcat 7
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
AssignedTo: dev@tomcat.apache.org
ReportedBy: martin.grot...@googlemail.com
Hi,
when verifying the fix for #50360 I ran into an issue with expired sessions
during processExpires:
Dec 10, 2010 12:59:32 AM org.apache.catalina.core.ContainerBase
backgroundProcess
WARNING: Exception processing manager
de.javakaffee.web.msm.MemcachedBackupSessionManager[/] background process
java.lang.IllegalStateException: getCreationTime: Session already invalidated
at
org.apache.catalina.session.StandardSession.getCreationTime(StandardSession.java:1096)
at org.apache.catalina.session.ManagerBase.remove(ManagerBase.java:802)
at
org.apache.catalina.session.StandardSession.expire(StandardSession.java:840)
at
org.apache.catalina.session.StandardSession.isValid(StandardSession.java:655)
at
org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:609)
at
org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:594)
at
de.javakaffee.web.msm.MemcachedBackupSessionManager.backgroundProcess(MemcachedBackupSessionManager.java:1130)
at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1214)
AFAICS in MemcachedBackupSessionManager I could override remove(Session
session, boolean update) with calling super.remove(session, false) for invalid
sessions.
Another option would be to change
StandardSession.expire(StandardSession.java:840) so that it does not invoke
manager.remove(this, true) but manager.remove(this, false).
Or even better: change ManagerBase.remove(ManagerBase.java:802) to invoke some
session.getCreationTimeInternal() which skips validation.
What do you think?
Cheers,
Martin
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