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https://issues.apache.org/jira/browse/SPARK-22180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16187508#comment-16187508
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Sean Owen commented on SPARK-22180:
-----------------------------------
To be clear I don't think this make IPv6 fully work for Spark, but, may let
some more things happen to work
> Allow IPv6 address in org.apache.spark.util.Utils.parseHostPort
> ---------------------------------------------------------------
>
> Key: SPARK-22180
> URL: https://issues.apache.org/jira/browse/SPARK-22180
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.2.0
> Reporter: Stefan Obermeier
> Priority: Minor
>
> External applications like Apache Cassandra are able to deal with IPv6
> addresses. Libraries like spark-cassandra-connector combine Apache Cassandra
> with Apache Spark.
> This combination is very useful IMHO.
> One problem is that {code:java}
> org.apache.spark.util.Utils.parseHostPort(hostPort: String) {code} takes the
> last colon to sepperate the port from host path. This conflicts with literal
> IPv6 addresses.
> I think we can take {code}hostPort{code} as literal IPv6 address if it
> contains tow ore more colons. If IPv6 addresses are enclosed in square
> brackets port definition is still possible.
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