fixed getBeansWithAnnotation to ignore beans with non-determinable type (SPR-6579)

org.springframework.beans/src/main/java/org/springframework/beans/factory/support/DefaultListableBeanFactory.java

@@ -425,7 +425,11 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 	 * if not found on the exposed bean reference (e.g. in case of a proxy).
 	 */
 	public <A extends Annotation> A findAnnotationOnBean(String beanName, Class<A> annotationType) {
-		A ann = AnnotationUtils.findAnnotation(getType(beanName), annotationType);
+		A ann = null;
+		Class beanType = getType(beanName);
+		if (beanType != null) {
+			ann = AnnotationUtils.findAnnotation(beanType, annotationType);
+		}
 		if (ann == null && containsBeanDefinition(beanName)) {
 			BeanDefinition bd = getMergedBeanDefinition(beanName);
 			if (bd instanceof AbstractBeanDefinition) {

org.springframework.context/src/test/java/org/springframework/context/annotation/AnnotationConfigApplicationContextTests.java

@@ -17,22 +17,24 @@
 package org.springframework.context.annotation;
 
 import static java.lang.String.format;
+import java.util.Map;
 
 import static org.hamcrest.CoreMatchers.*;
 import static org.junit.Assert.*;
 import org.junit.Test;
 import static org.junit.matchers.JUnitMatchers.*;
-import static org.springframework.util.StringUtils.uncapitalize;
 
+import org.springframework.beans.factory.FactoryBean;
 import org.springframework.beans.factory.NoSuchBeanDefinitionException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation6.ComponentForScanning;
 import org.springframework.context.annotation6.ConfigForScanning;
 import org.springframework.context.annotation6.Jsr330NamedForScanning;
-import org.springframework.util.StringUtils;
+import static org.springframework.util.StringUtils.*;
 
 /**
  * @author Chris Beams
+ * @author Juergen Hoeller
  */
 public class AnnotationConfigApplicationContextTests {
 
@@ -51,6 +53,8 @@ public class AnnotationConfigApplicationContextTests {
 		context.getBean("testBean"); // contributed by ConfigForScanning
 		context.getBean(uncapitalize(ComponentForScanning.class.getSimpleName()));
 		context.getBean(uncapitalize(Jsr330NamedForScanning.class.getSimpleName()));
+		Map<String, Object> beans = context.getBeansWithAnnotation(Configuration.class);
+		assertEquals(1, beans.size());
 	}
 
 	@Test
@@ -60,6 +64,19 @@ public class AnnotationConfigApplicationContextTests {
 		context.refresh();
 		context.getBean("testBean");
 		context.getBean("name");
+		Map<String, Object> beans = context.getBeansWithAnnotation(Configuration.class);
+		assertEquals(2, beans.size());
+	}
+
+	@Test
+	public void getBeansWithAnnotation() {
+		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
+		context.register(Config.class, NameConfig.class, UntypedFactoryBean.class);
+		context.refresh();
+		context.getBean("testBean");
+		context.getBean("name");
+		Map<String, Object> beans = context.getBeansWithAnnotation(Configuration.class);
+		assertEquals(2, beans.size());
 	}
 
 	@Test
@@ -186,6 +203,20 @@ public class AnnotationConfigApplicationContextTests {
 		}
 	}
 
+	static class UntypedFactoryBean implements FactoryBean {
+
+		public Object getObject() {
+			return null;
+		}
+
+		public Class getObjectType() {
+			return null;
+		}
+
+		public boolean isSingleton() {
+			return false;
+		}
+	}
 }
 
 class TestBean {