Context ctx=new InitialContext();
Connection conn=null;
Hashtable parms = new Hashtable();
parms.put(Context.INITIAL_CONTEXT_FACTORY, "com.ibm.ejs.ns.jndi.CNInitialContextFactory");
try{
ctx = new InitialContext(parms);
DataSource ds = (DataSource)ctx.lookup("jdbc/test");
conn = ds.getConnection("test","test");
}catch(NamingException ne){
System.out.println(ne);
}