Custom NameService by sun.net.spi.nameservice.provider.n doesn't work on WildFly -------------------------------------------------------------------------------- Key: WFLY-7354 URL: https://issues.jboss.org/browse/WFLY-7354 Project: WildFly Issue Type: Bug Components: Class Loading Affects Versions: 10.1.0.Final Reporter: Osamu Nagano Attachments: nameserviceProviderTest.zip System property {{sun.net.spi.nameservice.provider.<n>}} allows a user to customize a NameService. It works on a standalone java, which is using JBoss Modules, if {{services="import"}} is added on sun.jdk module dependency and the sun.jdk module has the following additional dependencies. {code} <path name="sun/net/spi/nameservice"/> <path name="sun/net/spi/nameservice/dns"/> {code} Though it doesn't work as a web application which has the same module path and the same dependency in jboss-deployment-structure.xml.