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From "Gary Dusbabek (JIRA)" <>
Subject [jira] Commented: (CASSANDRA-969) Server fails to join cluster if IPv6 only
Date Tue, 13 Apr 2010 01:19:49 GMT


Gary Dusbabek commented on CASSANDRA-969:

As I suspected: we have more code that is not IPv6 friendly.

Cody, can you give me the low-down on how I can turn off IPv4 and test in an environment that
is reasonably similar to yours?  Assume I have an ubuntu VM at my disposal.

> Server fails to join cluster if IPv6 only
> -----------------------------------------
>                 Key: CASSANDRA-969
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: Ubuntu 9.10 x64
> java: Java(TM) SE Runtime Environment (build 1.6.0_15-b03)
> cassandra 0.6.0-rc1
>            Reporter: Cody Lerum
>            Assignee: Gary Dusbabek
>            Priority: Minor
>             Fix For: 0.6.1
>         Attachments: cassandra-v6-2-filtered.pcap, cassandra-v6.pcap, encode_decode_ipv6_addresses_safely.txt,
server1.log, server2.log
> When configuring Cassandra for IPv6 connectivity on the server to server side the addition
of a second node causes the both servers to loop on ArrayIndexOutOfBoundsExection for 5 minutes
> The first server has 
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 65536
>         at
> While the second has
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 131072
>         at
> the index is double.
> These servers work find in a cluster together if they are configured IPv4
> server1 in the output is 2607:f3d0:0:2::16
> server2 is 2607:f3d0:0:1::f

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