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https://issues.apache.org/jira/browse/KAFKA-3448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15267884#comment-15267884
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ASF GitHub Bot commented on KAFKA-3448:
---------------------------------------

GitHub user soumyajit-sahu opened a pull request:

    https://github.com/apache/kafka/pull/1305

    KAFKA-3448: Fix ipv6 regex pattern trunk

    IPV6 address can contain % character.
    This PR is in lieu of the now abandoned PR 1120

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/Microsoft/kafka fixIPV6RegexPattern_trunk

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/kafka/pull/1305.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1305
    
----
commit 859ee4c34038799518b8f4d42ee7f91a71a8ace2
Author: Som Sahu <sos...@microsoft.com>
Date:   2016-05-03T01:01:30Z

    Adding % character to IPV6 regex parsing

commit ce842fc12693cdd8e3cd9f627427b387cfab81d1
Author: Soumyajit Sahu <soumyajit-s...@users.noreply.github.com>
Date:   2016-05-03T01:10:11Z

    Merge pull request #1 from apache/trunk
    
    Merging Apache trunk to Microsoft trunk

commit 860710763a20132c0078cc329d0ad7e5ff82bf0c
Author: Som Sahu <sos...@microsoft.com>
Date:   2016-05-03T01:23:58Z

    Merge branch 'trunk' into fixIPV6RegexPattern_trunk

----


> IPV6 Regex is missing % character
> ---------------------------------
>
>                 Key: KAFKA-3448
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3448
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.9.0.0
>         Environment: Windows,Linux
>            Reporter: Soumyajit Sahu
>             Fix For: 0.10.1.0
>
>
> IPV6 addresses could have the % character.
> When an address is written textually, the zone index is appended to the 
> address, separated by a percent sign (%).
> Reference: https://en.wikipedia.org/wiki/IPv6_address
> Example: Link-local IPv6 Address . . . . . : 
> fe80::b1da:69ca:57f7:63d8%3(Preferred)
> Then, the broker would throw the IllegalStateException(s"connectionId has 
> unexpected format: $connectionId")



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