public void testJIRA151() {
    OptimizerFactory.setDefaultOptimizer(OptimizerFactory.SAFE_REFLECTIVE);
    Bz b = new Bz();
    ParserContext context = new ParserContext();
    Object expression = MVEL.compileExpression("a.foo(value)",
        context);
    Map<String, Object> variables = new HashMap<String, Object>();

    variables.put("a",
        b);
    variables.put("value",
        123);
    for (int i = 0; i < 100; i++) {
      System.out.println("i: " + i);
      System.out.flush();
      executeExpression(expression,
          variables);
    }
  }