Force IPv4

pom.xml

diff --git a/pom.xml b/pom.xml
index 547a3c4..26628fb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -233,6 +233,7 @@
         <version>2.20.1</version>
         <configuration>
           <systemPropertyVariables>
+            <java.net.preferIPv4Stack>true</java.net.preferIPv4Stack>
             <domainJar>${domain-lib-dir}/${domain-jar}</domainJar>
             <javax.management.builder.initial>${javax.management.builder.initial}</javax.management.builder.initial>
             <org.jsr107.tck.management.agentId>${org.jsr107.tck.management.agentId}</org.jsr107.tck.management.agentId>