This is quick trick to register MySQL on Wildfly 8. Goto WILDFLY_HOME/modules/system/layers/base/com and create another directories mysql/main Inside the main directory, paste the myql.jar<version> file inside and create a "module.xml" file with the follow lines without the code <?xml version="1.0" encoding="UTF-8"?> <module xmlns="urn:jboss:module:1.1" name="com.mysql"> <resources> <resource-root path="mysql-connector-java-5.1.30-bin.jar"/> </resources> <dependencies> <module name="javax.api"/> <module name="javax.transaction.api"/> ...