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From "Heath Thomann (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OPENJPA-2055) IPv6 addresses not supported in UUIDGenerator
Date Fri, 30 Sep 2011 18:31:45 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-2055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Heath Thomann updated OPENJPA-2055:
-----------------------------------

    Attachment: OPENJPA-2055-2.1.x.patch

Albert Lee and I have worked on a solution to account for the possibility of an IPv6 address.
 I'm attaching a patch with our proposed solution.
                
> IPv6 addresses not supported in UUIDGenerator
> ---------------------------------------------
>
>                 Key: OPENJPA-2055
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2055
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 2.1.0
>            Reporter: Heath Thomann
>            Assignee: Heath Thomann
>            Priority: Minor
>         Attachments: OPENJPA-2055-2.1.x.patch
>
>
> UUIDGenerator class uses an IPv4 address as part of its seed when generating a UUID.
 That is, the UUIDGenerator makes a call to InteAddress 'getAddress' method to get the address
and assumes it returns a byte array of size 4 (the size of an IPv4 address).  However, in
an environment which uses IPv6, 'getAddress' can return a byte array of length 16.  UUIDGenerator
needs to be updated to account for an IPv6 address.

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