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https://issues.apache.org/jira/browse/IGNITE-6502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yakov Zhdanov updated IGNITE-6502:
----------------------------------
    Description: 
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.

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}


  was:
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.

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}}


> 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
>              Labels: usability
>             Fix For: 2.3
>
>
> 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.
> 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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