Fix #1250

Author: cowtowncoder

src/main/java/com/fasterxml/jackson/databind/introspect/AnnotatedConstructor.java

@@ -104,6 +104,16 @@ public JavaType getParameterType(int index) {
         return _typeContext.resolveType(types[index]);
     }
 
+    @Override
+    @Deprecated // since 2.7
+    public Type getGenericParameterType(int index) {
+        Type[] types = _constructor.getGenericParameterTypes();
+        if (index >= types.length) {
+            return null;
+        }
+        return types[index];
+    }
+    
     @Override
     public final Object call() throws Exception {
         return _constructor.newInstance();

src/main/java/com/fasterxml/jackson/databind/introspect/AnnotatedMethod.java

@@ -100,7 +100,7 @@ public Class<?> getRawType() {
     public Type getGenericType() {
         return _method.getGenericReturnType();
     }
-    
+
     /*
     /*****************************************************
     /* AnnotatedWithParams
@@ -149,6 +149,16 @@ public JavaType getParameterType(int index) {
         return _typeContext.resolveType(types[index]);
     }
 
+    @Override
+    @Deprecated // since 2.7
+    public Type getGenericParameterType(int index) {
+        Type[] types = getGenericParameterTypes();
+        if (index >= types.length) {
+            return null;
+        }
+        return types[index];
+    }
+    
     @Override
     public Class<?> getDeclaringClass() { return _method.getDeclaringClass(); }
 
@@ -201,7 +211,8 @@ public Class<?>[] getRawParameterTypes()
         }
         return _paramClasses;
     }
-    
+
+    @Deprecated // since 2.7
     public Type[] getGenericParameterTypes() {
         return _method.getGenericParameterTypes();
     }

src/main/java/com/fasterxml/jackson/databind/introspect/AnnotatedWithParams.java

@@ -119,9 +119,7 @@ public final AnnotatedParameter getParameter(int index) {
      * @deprecated Since 2.7, remove in 2.8
      */
     @Deprecated
-    public final Type getGenericParameterType(int index) {
-        return getRawParameterType(index);
-    }
+    public abstract Type getGenericParameterType(int index);
 
     public final int getAnnotationCount() { return _annotations.size(); }