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Posted to dev@zookeeper.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/03/13 19:49:00 UTC
[jira] [Commented] (ZOOKEEPER-2989) IPv6 literal address causes
problems for Quorum members
[ https://issues.apache.org/jira/browse/ZOOKEEPER-2989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16397544#comment-16397544 ]
ASF GitHub Bot commented on ZOOKEEPER-2989:
-------------------------------------------
GitHub user troodes opened a pull request:
https://github.com/apache/zookeeper/pull/489
ZOOKEEPER-2989: IPv6 literal address causes problems for Quorum members
Handle tokenizing of "address:port" when address is an IPv6 literal address.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/troodes/zookeeper ZOOKEEPER-2989
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zookeeper/pull/489.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 #489
----
commit 9e31f3448b6d5a950ea70ae715f26a8a0ca456d0
Author: Rick Trudeau <ri...@...>
Date: 2018-03-13T19:41:43Z
ZOOKEEPER-2989: IPv6 literal address causes problems for Quorum members
----
> IPv6 literal address causes problems for Quorum members
> -------------------------------------------------------
>
> Key: ZOOKEEPER-2989
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2989
> Project: ZooKeeper
> Issue Type: Bug
> Components: quorum
> Affects Versions: 3.5.3
> Reporter: Rick Trudeau
> Priority: Major
>
> We're using ZK 3.5.3-beta.
> When using literal IPv6 addresses in the zoo.cfg.dynamic file, ZK fails to come up with the connection to the peer ZKs keeps getting reset.
> zookeeper.log indicates a badly formed address is the cause.
> {noformat}
> <2018.03.01 15:14:30 163 -0500><E><sdn3></2001:db8:0:0:0:0:0:4:3888><org.apache.zookeeper.server.quorum.QuorumCnxManager> org.apache.zookeeper.server.quorum.QuorumCnxManager$InitialMessage$InitialMessageException: Badly formed address: 2001:db8:0:0:0:0:0:2:3888{noformat}
> Our zoo.cfg.dynamic uses literal IPv6 addresses which according to ZOOKEEPER-1460 is supported.
> {noformat}
> server.1=[2001:db8::2]:2888:3888;2181
> server.2=[2001:db8::3]:2888:3888;2181
> server.3=[2001:db8::4]:2888:3888;2181{noformat}
>
> Digging into QuorumCnxManager.java, InitialMessage.parse attemps to seperate the host portion from the port portion using ":" as a delimeter, which is a problem for IPv6 IPs. And there's this comment:
> {code:java}
> // FIXME: IPv6 is not supported. Using something like Guava's HostAndPort
> // parser would be good.{code}
> So it looks like peers address:port is failing to be parsed if they are specified as literal IPv6 addresses. To confirm a workaround, I replaced my zoo.cfg.dynamic with hostnames instead, and everything worked as expected.
>
>
>
>
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