https://issues.apache.org/bugzilla/show_bug.cgi?id=51614
Bug #: 51614
Summary: PersistentManager loads session from Store and calls
session.expire() twice.
Product: Tomcat 7
Version: trunk
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
AssignedTo: dev@tomcat.apache.org
ReportedBy: kfuj...@apache.org
Classification: Unclassified
To check whether session is loaded into memory, StoreBase#processExpires calls
findSession(id).
=====
...
if (manager.findSession(keys[i]) != null) {
isLoaded = true;
}
...
=====
However, PersistentManager#findSession(id) loads session from Store when there
is no session in memory.
Because session loaded from Store is an invalid session
PersistentManager logs errorlog, calls session.expire(), and deletes session
from Store.
As a result, findSession(id) returns null, and isLoaded becomes false.
And, session.expire() is called again, and the session is deleted from Store.
If manager is PersistentManager, it is necessary to call
PersistentManagerBase#isLoaded(id).
However, to avoid regression of r1033024, other managers call findSession(id).
Best regards.
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