[jbossts-issues] [JBoss JIRA] (JBTM-1989) Uid comparison fails for max uid

[Michael Musgrove (JIRA)]

     [ https://issues.jboss.org/browse/JBTM-1989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Musgrove updated JBTM-1989:
-----------------------------------

              Status: Pull Request Sent  (was: Open)
    Git Pull Request: https://github.com/jbosstm/narayana/pull/504

    
> Uid comparison fails for max uid
> --------------------------------
>
>                 Key: JBTM-1989
>                 URL: https://issues.jboss.org/browse/JBTM-1989
>             Project: JBoss Transaction Manager
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Common
>    Affects Versions: 5.0.0.M6
>            Reporter: Michael Musgrove
>            Assignee: Michael Musgrove
>             Fix For: 5.0.0.Final
>
>
> The largest Uid (Uid.MAX_UID) is defined to have the string form 7fffffff:7fffffff:7fffffff:7fffffff:7fffffff
> The first 2 components are hex values corresponding to Integer.MAX_INT but these two fields end up being converted into 2 longs to populate the field long[] hostAddr hostAddr. Consequently most Uids will end up being greater than MAX_UID (which causes problems when trying to order last resources last in the intentions list.
> The fix is to use "7fffffffffffffff:7fffffffffffffff:7fffffff:7fffffff:7fffffff" for MAX_UID

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