Avoid stack overflow in case of chained factory-bean references to FactoryBean class

Issue: SPR-14551

spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractAutowireCapableBeanFactory.java

@@ -325,8 +325,8 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 	}
 
 	@Override
-	public Object resolveDependency(DependencyDescriptor descriptor, String beanName) throws BeansException {
-		return resolveDependency(descriptor, beanName, null, null);
+	public Object resolveDependency(DependencyDescriptor descriptor, String requestingBeanName) throws BeansException {
+		return resolveDependency(descriptor, requestingBeanName, null, null);
 	}
 
 
@@ -802,10 +802,14 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 			if (objectType.value != null) {
 				return objectType.value;
 			}
+			else {
+				// No type found for shortcut FactoryBean instance:
+				// fall back to full creation of the FactoryBean instance.
+				return super.getTypeForFactoryBean(beanName, mbd);
+			}
 		}
 
-		// No type found - fall back to full creation of the FactoryBean instance.
-		return super.getTypeForFactoryBean(beanName, mbd);
+		return null;
 	}
 
 	/**
@@ -824,7 +828,7 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 					SmartInstantiationAwareBeanPostProcessor ibp = (SmartInstantiationAwareBeanPostProcessor) bp;
 					exposedObject = ibp.getEarlyBeanReference(exposedObject, beanName);
 					if (exposedObject == null) {
-						return exposedObject;
+						return null;
 					}
 				}
 			}