解决如果多个类拥有相同的方法以及方法签名和返回值的情况下,会造成方法覆盖的问题

感谢https://github.com/jessyZu 提出这个issue

Author: teaey

dubbo-common/src/main/java/com/alibaba/dubbo/common/utils/ReflectUtils.java

@@ -784,7 +784,7 @@ private static Class<?>[] desc2classArray(ClassLoader cl, String desc) throws Cl
 	 */
 	public static Method findMethodByMethodSignature(Class<?> clazz, String methodName, String[] parameterTypes)
 	        throws NoSuchMethodException, ClassNotFoundException {
-	    String signature = clazz.getName() + ".";
+	    String signature = clazz.getName() + "." + methodName;
         if(parameterTypes != null && parameterTypes.length > 0){
             signature += StringUtils.join(parameterTypes);
         }