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https://issues.apache.org/jira/browse/IGNITE-6502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16474230#comment-16474230
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ASF GitHub Bot commented on IGNITE-6502:
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Github user asfgit closed the pull request at:
https://github.com/apache/ignite/pull/2776
> Need to output warning if -Djava.net.preferIPv4Stack=true is not set
> --------------------------------------------------------------------
>
> Key: IGNITE-6502
> URL: https://issues.apache.org/jira/browse/IGNITE-6502
> Project: Ignite
> Issue Type: Improvement
> Reporter: Yakov Zhdanov
> Assignee: vk
> Priority: Major
> Labels: usability
> Fix For: 2.6
>
>
> Some issues were reported on dev/user list that may be caused by ipv6 usage.
> I am not sure if Ignite can properly work with ipv6 networks. This needs to
> be tested and another issue has been filed -
> https://issues.apache.org/jira/browse/IGNITE-6503.
> For now it seems to be pretty handy just to have warning on node start:
> {noformat}
> Please set system property '-Djava.net.preferIPv4Stack=true' to avoid
> possible problems in mixed environments.
> {noformat}
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