try {
final InitialContext ctx = new InitialContext();
Assert.assertNotNull("The InitialContext is null", ctx);
// lookup in enc
final SessionContext sctx = (SessionContext) ctx.lookup("java:comp/env/sessioncontext");
Assert.assertNotNull("The SessionContext got from java:comp/env/sessioncontext is null", sctx);
// lookup using global name
final EJBContext ejbCtx = (EJBContext) ctx.lookup("java:comp/EJBContext");
Assert.assertNotNull("The SessionContext got from java:comp/EJBContext is null ", ejbCtx);