Using the environment as described, java has preferential treatment to opening an IPv6 port over IPv4. As described here, this was a fix: http://notes.richdougherty.com/2011/09/minecraft-server-and-ipv6.html. This; however, only seems to work up to MC version 1.7.10.
Having tried the latest release of 1.8, 1.9. 1.10, and 1.11.2, this does not work.
I have the -Djava.net.preferIPv4Stack=true set for both but only 1.7.10 seems to take it.
Attached is an image of both 1.7.10 and 1.11.2, any help would be much appreciated.
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marcono1234
Possibly related to MC-3776
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I don't believe this is the same issue as that issue to my knowledge is with IPv6 not working, it's working in this case and I don't want it too.
marcono1234
I meant only "related" since it could be caused by the fix of that bug or at least both reports are about a similar topic, but not like this report is a duplicate.
wobst.michael
I could reproduce it with 1.11.2, but it seems to work as expected from version 1.12 onwards. It's working in 17w50a as well.