Polishing

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

@@ -161,6 +161,7 @@ public interface BeanFactory {
 	 * @return an instance of the single bean matching the required type
 	 * @throws NoSuchBeanDefinitionException if no bean of the given type was found
 	 * @throws NoUniqueBeanDefinitionException if more than one bean of the given type was found
+	 * @throws BeansException if the bean could not be created
 	 * @since 3.0
 	 * @see ListableBeanFactory
 	 */

spring-context/src/main/java/org/springframework/context/annotation/Configuration.java

@@ -218,7 +218,7 @@ import org.springframework.stereotype.Component;
  * {@code <bean>} definitions within Spring XML files. It is also possible to
  * import Spring XML configuration files into {@code @Configuration} classes using
  * the {@link ImportResource @ImportResource} annotation. Bean definitions imported from XML can be
- * injected using {@code @Autowired} or {@code @Import}:
+ * injected using {@code @Autowired} or {@code @Inject}:
  * <pre class="code">
  * &#064;Configuration
  * &#064;ImportResource("classpath:/com/acme/database-config.xml")

spring-context/src/main/java/org/springframework/context/config/PropertyOverrideBeanDefinitionParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -37,8 +37,8 @@ class PropertyOverrideBeanDefinitionParser extends AbstractPropertyLoadingBeanDe
 
 	@Override
 	protected void doParse(Element element, BeanDefinitionBuilder builder) {
-
 		super.doParse(element, builder);
+
 		builder.addPropertyValue("ignoreInvalidKeys",
 				Boolean.valueOf(element.getAttribute("ignore-unresolvable")));
 

spring-context/src/main/java/org/springframework/context/config/PropertyPlaceholderBeanDefinitionParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2011 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -34,8 +34,10 @@ import org.springframework.util.StringUtils;
 class PropertyPlaceholderBeanDefinitionParser extends AbstractPropertyLoadingBeanDefinitionParser {
 
 	private static final String SYSTEM_PROPERTIES_MODE_ATTRIB = "system-properties-mode";
+
 	private static final String SYSTEM_PROPERTIES_MODE_DEFAULT = "ENVIRONMENT";
 
+
 	@Override
 	protected Class<?> getBeanClass(Element element) {
 		// As of Spring 3.1, the default value of system-properties-mode has changed from