need hlp

Lew <>
Fri, 13 Mar 2015 22:41:21 -0700 (PDT)
Read the Java Tutorials for the basic rules of the language. Statements belong inside methods, and a standalone declaration inside 'main()' doesn't help anything. Try a simpler example until you get used to it.

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From: Steven Simpson <ss@domain.invalid>
Subject: Re: Dynamic proxy causes downstream code to not find annotations.
 How to solve?
Date: Tue, 17 Mar 2015 14:24:24 +0000
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On 16/03/15 14:44, wrote:

class Test implements ITest<Integer> {
     public Integer someMethod() {
         return 1;

interface ITest<T> {
     T someMethod();

And got this output:

public java.lang.Integer org.mygovscot.stars.client.Test.someMethod()
public java.lang.Object org.mygovscot.stars.client.Test.someMethod()
(... other methods on Object)

(I'm confused about your problem now, because I thought you didn't have
anything explicitly implementing your interface...)

In the invocation handler, can you not look up the method on your target
object? The simple way would be:

   obj.getClass().getMethod(method.getName(), method.getParameterTypes())

However, it might not find a method if your interface declares:

   void myMethod(String s);

....while the class declares:

   void myMethod(T s); // in MyClass<T>

....and the instance is a MyClass<String>.

So, more generally, can you do your own look-up along these lines?:

     private static Method findMethod(Class<?> clazz,
                                      String name, Class<?>[] types)
         throws NoSuchMethodException {
         for (Method meth : clazz.getMethods()) {
             if (!meth.getName().equals(name)) continue;
             if (meth.getParameterCount() != types.length) continue;
             Class<?>[] params = meth.getParameterTypes();
             for (int i = 0; i < types.length; i++) {
                 if (!params[i].isAssignableFrom(types[i]))
                     continue next_method;
             return meth;
         throw new NoSuchMethodException();

ss at comp dot lancs dot ac dot uk

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