added bean type to post-processing log statement (SPR-7524)

org.springframework.context/src/main/java/org/springframework/context/support/AbstractApplicationContext.java

@@ -1326,11 +1326,12 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 		}
 
 		public Object postProcessAfterInitialization(Object bean, String beanName) {
-			if (!(bean instanceof BeanPostProcessor) &&
+			if (bean != null && !(bean instanceof BeanPostProcessor) &&
 					this.beanFactory.getBeanPostProcessorCount() < this.beanPostProcessorTargetCount) {
 				if (logger.isInfoEnabled()) {
-					logger.info("Bean '" + beanName + "' is not eligible for getting processed by all " +
+					logger.info("Bean '" + beanName + "' of type [" + bean.getClass() +
-							"BeanPostProcessors (for example: not eligible for auto-proxying)");
+							"] is not eligible for getting processed by all BeanPostProcessors " +
+							"(for example: not eligible for auto-proxying)");
 				}
 			}
 			return bean;