ublic static void init() throws DBException{

     try {
            // Create initial context
            System.setProperty(Context.INITIAL_CONTEXT_FACTORY,
                "org.apache.naming.java.javaURLContextFactory");
            System.setProperty(Context.URL_PKG_PREFIXES,
                "org.apache.naming");
            InitialContext ic = new InitialContext();

            ic.createSubcontext("java:");
            ic.createSubcontext("java:/comp");
            ic.createSubcontext("java:/comp/env");
            ic.createSubcontext("java:/comp/env/jdbc");

            // Construct DataSource
             DataSource testDS = (DataSource) ic.lookup("jdbc/hospital");

            ic.bind("java:/comp/env/jdbc/hospital", testDS);

        } catch (NamingException ex) {
            LOG.trace(ex);
        }
}

<?xml version="1.0" encoding="UTF-8"?>

<Context>
    <Resource name="jdbc/hospital" auth="Container" type="javax.sql.DataSource"
    username="root"
    password="    "
    driverClassName="com.mysql.jdbc.Driver"
    url="jdbc:mysql://localhost:3306/hospital"
    maxActive="10"/>
</Context>

ua.nure.martseniuk.SummaryTask4.exception.DBException: Cannot obtain the data source
at ua.nure.martseniuk.SummaryTask4.db.dao.MySqlDaoFactory.<init>(MySqlDaoFactory.java:64)
Caused by: javax.naming.NameNotFoundException: Name [hospital] is not bound     in this Context. Unable to find [hospital].