We have WS failures in CI runs using IPv6 [1]. This looks to be caused by the issue logged upstream at https://issues.jboss.org/browse/JBWS-3712 . [1] http://lightning.mw.lab.eng.bos.redhat.com/viewLog.html?buildId=1661&tab=buildResultsDiv&buildTypeId=EAP_6xLinuxIPv6
Alessio, thank you for BZ. Petr hit this issue too, he was working on analysis. We agree with qa_ack which was set by Mark.
PR: https://github.com/jbossas/jboss-eap/pull/503 Upstream PR: https://github.com/wildfly/wildfly/pull/5199
verified on windows