diff --git a/YACOSCore/ejbModule/META-INF/application.xml b/YACOSCore/ejbModule/META-INF/application.xml
new file mode 100644
index 0000000..63b1626
--- /dev/null
+++ b/YACOSCore/ejbModule/META-INF/application.xml
@@ -0,0 +1,31 @@
+<!DOCTYPE application PUBLIC "-//Sun Microsystems, 
+Inc.//DTD J2EE Application 1.2//EN" 
+"http://java.sun.com/j2ee/dtds/application_1_2.dtd">
+
+<application>
+	<icon></icon>
+	<display-name>YACOS</display-name>
+	<description></description>
+	<module>
+		<ejb>YACOSCore.jar</ejb>
+	</module>
+	<module>
+		<java></java>
+	</module>
+	<module>
+		<web>
+			<web-uri></web-uri>
+			<context-root></context-root>
+		</web>
+	</module>
+
+	<security-role>
+		<description>the gold customer role</description>
+		<role-name>gold_customer</role-name>
+	</security-role>
+	<security-role>
+		<description>the customer role</description>
+		<role-name>customer</role-name>
+	</security-role>
+
+</application>
diff --git a/YACOSCore/ejbModule/META-INF/persistence.xml b/YACOSCore/ejbModule/META-INF/persistence.xml
new file mode 100644
index 0000000..b9b98b2
--- /dev/null
+++ b/YACOSCore/ejbModule/META-INF/persistence.xml
@@ -0,0 +1,8 @@
+<persistence>
+   <persistence-unit name="YACOSCore">
+      <jta-data-source>java:/DefaultDS</jta-data-source>
+      <properties>
+         <property name="hibernate.hbm2ddl.auto" value="update"/>
+      </properties>
+   </persistence-unit>
+</persistence>
\ No newline at end of file