src/java.base/share/classes/java/lang/reflect/Executable.java

*** 549,564 ****
          if (parameterAnnotations == null)
              return new Annotation[numParameters][0];
  
          Annotation[][] result = parseParameterAnnotations(parameterAnnotations);
  
!         if (result.length != numParameters)
!             handleParameterNumberMismatch(result.length, numParameters);
          return result;
      }
  
!     abstract void handleParameterNumberMismatch(int resultLength, int numParameters);
  
      /**
       * {@inheritDoc}
       * @throws NullPointerException  {@inheritDoc}
       */
--- 549,570 ----
          if (parameterAnnotations == null)
              return new Annotation[numParameters][0];
  
          Annotation[][] result = parseParameterAnnotations(parameterAnnotations);
  
!         if (result.length != numParameters &&
!             handleParameterNumberMismatch(result.length, numParameters)) {
!             Annotation[][] tmp = new Annotation[result.length+1][];
!             // Shift annotations down one to account for an implicit leading parameter
!             System.arraycopy(result, 0, tmp, 1, result.length);
!             tmp[0] = new Annotation[0];
!             result = tmp;
!         }
          return result;
      }
  
!     abstract boolean handleParameterNumberMismatch(int resultLength, int numParameters);
  
      /**
       * {@inheritDoc}
       * @throws NullPointerException  {@inheritDoc}
       */