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https://issues.apache.org/jira/browse/GEODE-7478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Shu resolved GEODE-7478.
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Fix Version/s: 1.12.0
Resolution: Fixed
> Geode session management fails to replicate if enableLocalCache is set to
> true in Tomcat module for client-sever setting
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: GEODE-7478
> URL: https://issues.apache.org/jira/browse/GEODE-7478
> Project: Geode
> Issue Type: Bug
> Components: http session
> Reporter: Eric Shu
> Assignee: Eric Shu
> Priority: Major
> Labels: GeodeCommons
> Fix For: 1.12.0
>
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> Currently geode only tests client-server setting with local cache not enabled.
> If enableLocalCache is set to true (the default setting), the session
> replication would fail in client-server case.
> This is caused by the following code:
> {code}
> if (sessionRegion.getAttributes().getDataPolicy() == DataPolicy.EMPTY) {
> sessionRegion.registerInterest("ALL_KEYS", InterestResultPolicy.KEYS);
> }
> {code}
> And
> {code}
> /*
> * If we're using an empty client region, we register interest so that
> expired sessions are
> * destroyed correctly.
> */
> if (!getSessionManager().getEnableLocalCache()) {
> region.registerInterest("ALL_KEYS", InterestResultPolicy.KEYS);
> }
> {code}
> The implementation would cause only one Tomcat local client cache has the
> correct data for the session. If a user tries on to any other Tomcat
> instance, it would be a cache miss as the session data is not sent to other
> client caches. This would trigger a get from the server, and bring in the
> session data to the new client cache (in the new Tomcat instance). So far we
> do not have data replication problem.
> However, if there is an update on the session (adding a new attribute or
> update an existing attribute), these update of the session would not be
> replicated to the other Tomcat instance. If user failed over/land on
> different Tomcat, the session data are different.
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