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https://issues.apache.org/jira/browse/OOZIE-1637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dénes Bodó resolved OOZIE-1637.
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Resolution: Cannot Reproduce
It works in Oozie 5.
> Oozie client hangs when IPv6 is enabled
> ---------------------------------------
>
> Key: OOZIE-1637
> URL: https://issues.apache.org/jira/browse/OOZIE-1637
> Project: Oozie
> Issue Type: Bug
> Components: client
> Affects Versions: trunk
> Reporter: Robert Kanter
> Priority: Major
>
> When IPv6 is enabled, we saw the Oozie client hang on trying to connect to
> the Oozie server; there were no error messages or anything.
> The workaround was to do
> {noformat}
> export OOZIE_CLIENT_OPTS="-Djava.net.preferIPv4Stack=true"
> {noformat}
> to force Java to use IPv4.
> It would be nice if the client were to try IPv6, and if that fails, fallback
> to IPv4 instead of just hanging.
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