Thank you Peter. I removed the file called hsql-db.xml, I changed my 
mysql-db.xml datasource to be MyDB, and I changed my jsp file.

mysql-ds.xml file:

  | <?xml version="1.0" encoding="UTF-8"?>
  | 
  | <datasources>
  | 
  |     <local-tx-datasource>
  | 
  |     <jndi-name>MyDB</jndi-name>
  | 
  |     <connection-url>jdbc:mysql://localhost:3306/project</connection-url>
  | 
  |     <driver-class>com.mysql.jdbc.Driver</driver-class>
  | 
  |     <user-name>root</user-name>
  | 
  |     <password>admin</password>
  | 
  |     
<valid-connection-checker-class-name>org.jboss.resource.adapter.jdbc.vendor.MySQLValidConnectionChecker</valid-connection-checker-class-name>
  | 
  |     <metadata>
  | 
  |     <type-mapping>mySQL</type-mapping>
  | 
  |     </metadata>
  | 
  |     </local-tx-datasource>
  | 
  | </datasources>
  | 

I changed my jsp file to be:

  | try {
  |             ic = new InitialContext();
  |             ds = (DataSource) ic.lookup("java:/MyDB");
  |             con = ds.getConnection();
  |             Statement st = con.createStatement();
  |             ResultSet rs = st.executeQuery("select * quest_chices");
  |             
  |             while(rs.next()) {
  |                     out.println("<br> " + rs.getString("ID"));
  |             }
  |             rs.close();
  |             st.close();
  |             
  |             out.println("DONE");
  |     } catch (Exception e) {
  |             out.println("Exception thrown " + e );
  |             //e.printStackTrace();
  |     } finally {
  |             if (con != null) {
  |                     con.close();
  |             }
  |     }
  | 

and guess what?? When I run the jsp file i got Exception thrown 
javax.naming.NameNotFoundException: MyDB not bound ... 

What i noticed here, is that when I change my datasource other than DefaultDS, 
I'll get NameNotFoundException>>>> 

Any help please??

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