FactoryBean type check logs currently-in-creation exception at debug level

Issue: SPR-12900

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

@@ -1451,9 +1451,15 @@ public abstract class AbstractBeanFactory extends FactoryBeanRegistrySupport imp
 			return getTypeForFactoryBean(factoryBean);
 		}
 		catch (BeanCreationException ex) {
-			// Can only happen when getting a FactoryBean.
-			if (logger.isWarnEnabled()) {
-				logger.warn("Bean creation exception on FactoryBean type check: " + ex);
+			if (ex instanceof BeanCurrentlyInCreationException) {
+				if (logger.isDebugEnabled()) {
+					logger.debug("Bean currently in creation on FactoryBean type check: " + ex);
+				}
+			}
+			else {
+				if (logger.isWarnEnabled()) {
+					logger.warn("Bean creation exception on FactoryBean type check: " + ex);
+				}
 			}
 			onSuppressedException(ex);
 			return null;

spring-beans/src/test/java/org/springframework/beans/factory/FactoryBeanTests.java

@@ -38,7 +38,7 @@ import static org.springframework.tests.TestResourceUtils.*;
  * @author Juergen Hoeller
  * @author Chris Beams
  */
-public final class FactoryBeanTests {
+public class FactoryBeanTests {
 
 	private static final Class<?> CLASS = FactoryBeanTests.class;
 	private static final Resource RETURNS_NULL_CONTEXT = qualifiedResource(CLASS, "returnsNull.xml");
@@ -63,10 +63,13 @@ public final class FactoryBeanTests {
 		BeanFactoryPostProcessor ppc = (BeanFactoryPostProcessor) factory.getBean("propertyPlaceholderConfigurer");
 		ppc.postProcessBeanFactory(factory);
 
+		assertNull(factory.getType("betaFactory"));
+
 		Alpha alpha = (Alpha) factory.getBean("alpha");
 		Beta beta = (Beta) factory.getBean("beta");
 		Gamma gamma = (Gamma) factory.getBean("gamma");
 		Gamma gamma2 = (Gamma) factory.getBean("gammaFactory");
+
 		assertSame(beta, alpha.getBeta());
 		assertSame(gamma, beta.getGamma());
 		assertSame(gamma2, beta.getGamma());
@@ -194,6 +197,9 @@ public final class FactoryBeanTests {
 	@Component
 	public static class BetaFactoryBean implements FactoryBean<Object> {
 
+		public BetaFactoryBean(Alpha alpha) {
+		}
+
 		private Beta beta;
 
 		public void setBeta(Beta beta) {

spring-beans/src/test/resources/org/springframework/beans/factory/FactoryBeanTests-withAutowiring.xml

@@ -11,7 +11,7 @@
 
 	<bean id="gamma" class="org.springframework.beans.factory.FactoryBeanTests$Gamma"/>
 
-  <bean id="betaFactory" class="org.springframework.beans.factory.FactoryBeanTests$BetaFactoryBean">
+  <bean id="betaFactory" class="org.springframework.beans.factory.FactoryBeanTests$BetaFactoryBean" autowire="constructor">
     <property name="beta" ref="beta"/>
   </bean>