[jboss-jira] [JBoss JIRA] Commented: (JBMESSAGING-1682) duplicate key value violates unique constraint "jbm_msg_pkey" exceptions in a clustered

[Howard Gao (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBMESSAGING-1682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12475704#action_12475704 ] 

Howard Gao commented on JBMESSAGING-1682:
-----------------------------------------

The TimeAndCounterIDGenerator in JBM 2.0 is not suitable for 1.4 because it doesn't use node id. We need the node id to guarantee the uniqueness across the cluster (as we use shared DB).



> duplicate key value violates unique constraint "jbm_msg_pkey" exceptions in a clustered
> ---------------------------------------------------------------------------------------
>
>                 Key: JBMESSAGING-1682
>                 URL: https://jira.jboss.org/jira/browse/JBMESSAGING-1682
>             Project: JBoss Messaging
>          Issue Type: Bug
>          Components: JMS Clustering
>    Affects Versions: 1.4.0.SP3.CP07, 1.4.0.SP3.CP08, 1.4.4.GA
>            Reporter: Masao Kato
>            Assignee: Howard Gao
>            Priority: Blocker
>             Fix For: 1.4.0.SP3.CP09, 1.4.5.GA
>
>
> NodeID(server peer id) of the cluster : in the adjoined identification number such as 0 and 1, 2 and 3. 
> When message ID is generated at the same time, the exception might be generated by the duplicate of ID. 

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