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https://issues.apache.org/jira/browse/HADOOP-11582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14633681#comment-14633681
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Allen Wittenauer commented on HADOOP-11582:
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IPv4 DNS servers should return IPv6 addresses as part of the lookup if the
requester asks for an IPv6 address. You can test this yourself by looking up
google.com against an IPv4 DNS server:
{code}
$ host www.google.com 8.8.8.8
Using domain server:
Name: 8.8.8.8
Address: 8.8.8.8#53
Aliases:
www.google.com has address 74.125.239.51
www.google.com has address 74.125.239.49
www.google.com has address 74.125.239.50
www.google.com has address 74.125.239.48
www.google.com has address 74.125.239.52
www.google.com has IPv6 address 2607:f8b0:4010:801::1014
{code}
> org.apache.hadoop.net.TestDNS failing with NumberFormatException -IPv6
> related?
> -------------------------------------------------------------------------------
>
> Key: HADOOP-11582
> URL: https://issues.apache.org/jira/browse/HADOOP-11582
> Project: Hadoop Common
> Issue Type: Bug
> Components: net
> Affects Versions: 3.0.0
> Environment: OSX yosemite
> Reporter: Steve Loughran
> Assignee: Varun Saxena
> Labels: ipv6
>
> {{org.apache.hadoop.net.TestDNS}} failing {{java.lang.NumberFormatException:
> For input string: ":3246:9aff:fe80:438f"}}
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