Intercept method an field call part 2

[icecrash]

if i ha a big application = 2 or plus class ,and i want to intercept calls,
i can make reflective all classes of my application ,
i tried , but i 've recived an error at runtime:

ClassPool pool = new ClassPool();
pool.insertClassPath(".");
javassist.reflect.Loader rl = new javassist.reflect.Loader();
rl.makeReflective("firstclass", "VerboseMetaobject","javassist.reflect.ClassMetaobject");
rl.makeReflective("secondclass", "VerboseMetaobject","javassist.reflect.ClassMetaobject");
rl.run("firstclass", args);

first class instances second class,
i recived the error:
ArrayIndexoutofBound :11