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netty resolver may get ipv6 addresses even when only ipv4 is available #1570
Following up on this groups thread https://groups.google.com/d/topic/vertx/7xTo_a_lOWk/discussion, it is necessary to switch to the next netty version 4.1.5 when it becomes available to get fix for the issue that the resolver might get a ipv6 address even though only ipv4 is available and is unable to connect to the address. This behaviour is switched off by -Djava.net.preferIPv4Stack=true, which was not honoured by the new resolver in netty 4.1.
The netty issue for the issue is netty/netty#5657