[jboss-jira] [JBoss JIRA] Created: (JBAS-6487) org.jboss.mq.server.MessageReference does override equals, but not hashCode

[Rico Neubauer (JIRA)]

org.jboss.mq.server.MessageReference does override equals, but not hashCode
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                 Key: JBAS-6487
                 URL: https://jira.jboss.org/jira/browse/JBAS-6487
             Project: JBoss Application Server
          Issue Type: Quality Risk
      Security Level: Public (Everyone can see)
          Components: JMS (JBossMQ)
    Affects Versions: JBossAS-4.2.3.GA
            Reporter: Rico Neubauer
            Assignee: Adrian Brock


org.jboss.mq.server.MessageReference does override equals() (and even compareTo()), but not hashCode().
This is a potential issue, when adding MessageReferences to hashCode-based Collections such as Hashmap or HashSet.

from java.lang.Object:
If two objects are equal according to the equals(Object) method, then calling the hashCode method on each of the two objects must produce the same integer result.

Will append a patch.

Came across this when searching for the root of a symptom, where messages were processed and removed from the MessageCache, but still were persistent in database - don't know yet if it's related.

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