5.3.3. Configure JVM Stack Preferences for IPv6 Addresses

Summary
This topic covers configuring the JBoss EAP 6 installation to prefer IPv6 addresses through the configuration files.

Procedure 5.3. Configure the JBoss EAP 6 Installation to Prefer IPv6 Addresses

  1. Open the relevant file for the installation:

    • For a Standalone Server:

      Open EAP_HOME/bin/standalone.conf.

    • For a Managed Domain:

      Open EAP_HOME/bin/domain.conf.
  2. Append the following Java property to the Java VM options: 
    -Djava.net.preferIPv6Addresses=true
    For example: 
    # Specify options to pass to the Java VM.
#
if [ "x$JAVA_OPTS" = "x" ]; then
   JAVA_OPTS="-Xms64m -Xmx512m -XX:MaxPermSize=256m -Djava.net.preferIPv4Stack=false 
   -Dorg.jboss.resolver.warning=true -Dsun.rmi.dgc.client.gcInterval=3600000 
   -Dsun.rmi.dgc.server.gcInterval=3600000 -Djava.net.preferIPv6Addresses=true"
fi
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