NoUniqueBeanDefinitionException exposes beanNamesFound collection

Issue: SPR-13968

spring-beans/src/main/java/org/springframework/beans/factory/NoUniqueBeanDefinitionException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,6 +34,8 @@ public class NoUniqueBeanDefinitionException extends NoSuchBeanDefinitionExcepti
 
 	private int numberOfBeansFound;
 
+	private Collection<String> beanNamesFound;
+
 
 	/**
 	 * Create a new {@code NoUniqueBeanDefinitionException}.
@@ -54,6 +56,7 @@ public class NoUniqueBeanDefinitionException extends NoSuchBeanDefinitionExcepti
 	public NoUniqueBeanDefinitionException(Class<?> type, Collection<String> beanNamesFound) {
 		this(type, beanNamesFound.size(), "expected single matching bean but found " + beanNamesFound.size() + ": " +
 				StringUtils.collectionToCommaDelimitedString(beanNamesFound));
+		this.beanNamesFound = beanNamesFound;
 	}
 
 	/**
@@ -76,4 +79,14 @@ public class NoUniqueBeanDefinitionException extends NoSuchBeanDefinitionExcepti
 		return this.numberOfBeansFound;
 	}
 
+	/**
+	 * Return the names of all beans found when only one matching bean was expected.
+	 * Note that this may be {@code null} if not specified at construction time.
+	 * @since 4.3
+	 * @see #getBeanType()
+	 */
+	public Collection<String> getBeanNamesFound() {
+		return this.beanNamesFound;
+	}
+
 }