code: public static PerfidixMethodInvocationException invokeMethod(final Object obj, final Class<? extends Annotation> relatedAnno, final Method meth, final Object... args) {
          try {
              meth.invoke(obj, args);
              return null;
          } catch (final IllegalArgumentException e) {
              return new PerfidixMethodInvocationException(e, meth, relatedAnno);
          } catch (final IllegalAccessException e) {
              return new PerfidixMethodInvocationException(e, meth, relatedAnno);
          } catch (final InvocationTargetException e) {
              return new PerfidixMethodInvocationException(e.getCause(), meth, relatedAnno);
          }
      }
docs: Method to invoke a reflective invokable method.
  
  @param obj         on which the execution takes place
  @param relatedAnno related annotation for the execution
  @param meth        to be executed
  @param args        args for that method
  @return {@link PerfidixMethodInvocationException} if invocation fails, null otherwise.