When we try to add a Wildfly 8 server in Eclipse Luna,By default it does not show Wildfly Servers.
In order to add Wildlfy Server, Please follow below Steps:
Go to Help–>Eclipse Market Place
Search for Jboss Tools.
Find JBoss Tools(Luna) 4.2.3.Final and select only JbossAs tools and Jboss Webservice tools.
Click Next, agree to the license terms, install, restart Eclipse.
After Eclipse restarts:
Go to your Servers view and right-click.
Select "WildFly 8.x", click Next.
Set the Home Directory appropriately.