Polish

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/health/MailHealthIndicatorTests.java

@@ -17,6 +17,7 @@
 package org.springframework.boot.actuate.health;
 
 import java.util.Properties;
+
 import javax.mail.Address;
 import javax.mail.Message;
 import javax.mail.MessagingException;
@@ -28,7 +29,6 @@ import javax.mail.URLName;
 
 import org.junit.Before;
 import org.junit.Test;
-
 import org.springframework.mail.javamail.JavaMailSenderImpl;
 
 import static org.junit.Assert.assertEquals;
@@ -72,7 +72,8 @@ public class MailHealthIndicatorTests {
 
 	@Test
 	public void smtpIsDown() throws MessagingException {
-		doThrow(new MessagingException("A test exception")).when(this.mailSender).testConnection();
+		doThrow(new MessagingException("A test exception")).when(this.mailSender)
+				.testConnection();
 		Health health = this.indicator.health();
 		assertEquals(Status.DOWN, health.getStatus());
 		assertEquals("smtp.acme.org:25", health.getDetails().get("location"));

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/logging/AutoConfigurationReportLoggingInitializer.java

@@ -189,6 +189,9 @@ public class AutoConfigurationReportLoggingInitializer implements
 		@Override
 		public boolean supportsEventType(ResolvableType resolvableType) {
 			Class<?> type = resolvableType.getRawClass();
+			if (type == null) {
+				return false;
+			}
 			return ContextRefreshedEvent.class.isAssignableFrom(type)
 					|| ApplicationFailedEvent.class.isAssignableFrom(type);
 		}

spring-boot/src/main/java/org/springframework/boot/logging/ClasspathLoggingApplicationListener.java

@@ -68,6 +68,9 @@ public final class ClasspathLoggingApplicationListener implements
 	@Override
 	public boolean supportsEventType(ResolvableType resolvableType) {
 		Class<?> type = resolvableType.getRawClass();
+		if (type == null) {
+			return false;
+		}
 		return ApplicationStartedEvent.class.isAssignableFrom(type)
 				|| ApplicationFailedEvent.class.isAssignableFrom(type);
 	}

spring-boot/src/main/java/org/springframework/boot/logging/LoggingApplicationListener.java

@@ -117,8 +117,7 @@ public class LoggingApplicationListener implements GenericApplicationListener {
 
 	@Override
 	public boolean supportsEventType(ResolvableType resolvableType) {
-		Class<?> eventType = resolvableType.getRawClass();
-		return isAssignableFrom(eventType, EVENT_TYPES);
+		return isAssignableFrom(resolvableType.getRawClass(), EVENT_TYPES);
 	}
 
 	@Override
@@ -127,9 +126,11 @@ public class LoggingApplicationListener implements GenericApplicationListener {
 	}
 
 	private boolean isAssignableFrom(Class<?> type, Class<?>... supportedTypes) {
-		for (Class<?> supportedType : supportedTypes) {
-			if (supportedType.isAssignableFrom(type)) {
-				return true;
+		if (type != null) {
+			for (Class<?> supportedType : supportedTypes) {
+				if (supportedType.isAssignableFrom(type)) {
+					return true;
+				}
 			}
 		}
 		return false;