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https://issues.apache.org/jira/browse/LUCENE-7920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-7920:
---------------------------------
Attachment: LUCENE-7920.patch
Here is a proposal that adds an expert factory method that directly takes the
binary representation of the address rather than an {{InetAddress}} instance.
> Make it easier to create ip prefix queries
> ------------------------------------------
>
> Key: LUCENE-7920
> URL: https://issues.apache.org/jira/browse/LUCENE-7920
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-7920.patch
>
>
> {{InetAddress.getByAddress}} automatically transforms ipv6-mapped ipv4
> addresses to ipv4 addresses. While this is usually desirable, it can make ip
> prefix query a bit trappy. For instance the following code:
> {code}
> InetAddressPoint.newPrefixQuery("a", InetAddress.getByName("::ffff:0:0"), 96);
> {code}
> throws an IAE complaining that the prefix length is invalid: {{illegal
> prefixLength '96'. Must be 0-32 for IPv4 ranges, 0-128 for IPv6 ranges}}.
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