[jboss-jira] [JBoss JIRA] (AS7-3295) SingletonService does not call election policy for single-node clusters

[James Livingston (JIRA)]

James Livingston created AS7-3295:
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             Summary: SingletonService does not call election policy for single-node clusters
                 Key: AS7-3295
                 URL: https://issues.jboss.org/browse/AS7-3295
             Project: Application Server 7
          Issue Type: Bug
          Components: Clustering
    Affects Versions: 7.1.0.CR1b
            Reporter: James Livingston
            Assignee: Paul Ferraro


SingletonService.elect() currently checks whether there is only a single node in the cluster view and returns that node as the master rather then delegating to the election policy. While the policy obviously cannot return any other node it could have returned null instead, and not delegating prevents that from happening.

This means that it is impossible to implement an election policy that requires a quorum, since single-node cluster caused by a split will elect itself as master rather than letting the election policy return null to indicate it should have no HA singleton services running.

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