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https://issues.apache.org/jira/browse/OPENJPA-2055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Heath Thomann resolved OPENJPA-2055.
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Resolution: Fixed
Fix Version/s: 2.1.1
2.2.0
> 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
> Fix For: 2.2.0, 2.1.1
>
> 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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