[jboss-jira] [JBoss JIRA] (WFLY-12669) Clustering: scattered cache errors

[Tommasso Borgato (Jira)]

Tommasso Borgato created WFLY-12669:
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             Summary: Clustering: scattered cache errors
                 Key: WFLY-12669
                 URL: https://issues.jboss.org/browse/WFLY-12669
             Project: WildFly
          Issue Type: Bug
          Components: Clustering
    Affects Versions: 18.0.0.Final
            Reporter: Tommasso Borgato
            Assignee: Paul Ferraro
         Attachments: clusterbench-ee8.ear

The issue is about scattered cache replication across cluster nodes;
WildFly is started in clustered mode using a scattered cache for replicating HTTP session data across cluster nodes; all 4 nodes in the cluster are initialized with the following `cli` script:

{noformat}
embed-server --server-config=standalone-ha.xml
/subsystem=jgroups/channel=ee:write-attribute(name=stack,value=tcp)
/subsystem=infinispan/cache-container=web/scattered-cache=testScattered:add()
/subsystem=infinispan/cache-container=web:write-attribute(name=default-cache, value=testScattered)
{noformat}

The test is run with version `wildfly-18.​0.0.Final.zip`; the same tests run with version `wildfly-17.​0.1.Final.zip` do not have any problem; hence this looks like a regression:

- OK [eap-7.x-clustering-http-session-shutdown-scattered with wildfly-17.​0.1.Final.zip](https://eap-qe-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/view/EAP7/view/EAP7-Clustering/view/EAP7-Clustering-HTTP-Session/job/eap-7.x-clustering-http-session-shutdown-scattered/34/)
- ERROR [eap-7.x-clustering-http-session-shutdown-scattered with wildfly-18.​0.0.Final.zip](https://eap-qe-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/view/EAP7/view/EAP7-Clustering/view/EAP7-Clustering-HTTP-Session/job/eap-7.x-clustering-http-session-shutdown-scattered/33)

On the server we deploy, as usual, `clusterbench` (see attachment clusterbench-ee8.ear).

As usual, we test that the serial value stored in the scattered cache is incremented at every call: we observer 97617 inconsistencies meaning e.g. 3 was expected but 2 was received;





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