Tharindu Malimage [http://community.jboss.org/people/tmalimage] replied to the discussion "JNDI and Data Source Configuration" To view the discussion, visit: http://community.jboss.org/message/554342#554342 -------------------------------------------------------------- I have placed datasource, called *jdbc-ds.xml* <?xml version="1.0" encoding="UTF-8"?> <datasources>     <local-tx-datasource>         <jndi-name>jdbc/uni</jndi-name>         <connection-url>jdbc:mysql://localhost:3306/Malimage</connection-url>         <driver-class>com.mysql.jdbc.Driver</driver-class>         <user-name>****</user-name>         <password>******</password>            <metadata>            <type-mapping>mySQL</type-mapping>         </metadata>     </local-tx-datasource> </datasources> This is my *persistence.xml* file <?xml version="1.0" encoding="UTF-8"?> <persistence version="1.0" xmlns=" http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence" xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd">   <persistence-unit name="Ent-ejbPU" transaction-type="JTA">     <provider>org.hibernate.ejb.HibernatePersistence</provider>     <jta-data-source>java:/jdbc/uni</jta-data-source>     <exclude-unlisted-classes>false</exclude-unlisted-classes>     <properties/>   </persistence-unit> </persistence> What is the fault with this? -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/554342#554342] Start a new discussion in Datasource Configuration at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]