[jboss-jira] [JBoss JIRA] (WFLY-6591) Memory leak of expired session in Infinispan cache with optimistic locking

[Gabriel Lavoie (JIRA)]

Gabriel Lavoie created WFLY-6591:
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             Summary: Memory leak of expired session in Infinispan cache with optimistic locking
                 Key: WFLY-6591
                 URL: https://issues.jboss.org/browse/WFLY-6591
             Project: WildFly
          Issue Type: Bug
          Components: Clustering
    Affects Versions: 10.0.0.Final, 10.1.0.Final
            Reporter: Gabriel Lavoie
            Assignee: Paul Ferraro


When using optimistic locking on the web cache, data from expired sessions is not removed from the web cache by the org.wildfly.clustering.web.infinispan.session.SessionExpirationScheduler and leaks forever.

Session seems to be invalidated correctly and isn't accessible anymore.

After tracing the code, org.wildfly.clustering.web.infinispan.session.InfinispanSessionMetaDataFactory.remove() doesn't remove the metadata entries when "this.properties.isLockOnWrite()" returns false (which is always the case for optimistic locking). Then in org.wildfly.clustering.web.infinispan.session.InfinispanSessionFactory.remove(), the call to attributesFactory.remove(id) also gets skipped.



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