Align with Spring Framework 5's new Commons Logging adapter

Closes gh-8825

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/logging/AutoConfigurationReportLoggingInitializerTests.java

@@ -16,20 +16,14 @@
 
 package org.springframework.boot.autoconfigure.logging;
 
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.List;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogConfigurationException;
-import org.apache.commons.logging.LogFactory;
-import org.apache.commons.logging.impl.LogFactoryImpl;
-import org.apache.commons.logging.impl.NoOpLog;
-import org.junit.After;
-import org.junit.Before;
+
+import ch.qos.logback.classic.Level;
+import ch.qos.logback.classic.Logger;
+import ch.qos.logback.classic.LoggerContext;
+import org.junit.Rule;
 import org.junit.Test;
-import org.mockito.invocation.InvocationOnMock;
-import org.mockito.stubbing.Answer;
+import org.slf4j.impl.StaticLoggerBinder;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.condition.ConditionEvaluationReport;
@@ -37,6 +31,7 @@ import org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoCon
 import org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
 import org.springframework.boot.context.event.ApplicationFailedEvent;
+import org.springframework.boot.testutil.InternalOutputCapture;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -47,10 +42,6 @@ import org.springframework.web.context.support.AnnotationConfigWebApplicationCon
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.fail;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.BDDMockito.given;
-import static org.mockito.BDDMockito.willAnswer;
-import static org.mockito.Mockito.mock;
 
 /**
  * Tests for {@link AutoConfigurationReportLoggingInitializer}.
@@ -60,57 +51,10 @@ import static org.mockito.Mockito.mock;
  */
 public class AutoConfigurationReportLoggingInitializerTests {
 
-	private static ThreadLocal<Log> logThreadLocal = new ThreadLocal<>();
-
-	private Log log;
-
-	private AutoConfigurationReportLoggingInitializer initializer;
-
-	protected List<String> debugLog = new ArrayList<>();
-
-	protected List<String> infoLog = new ArrayList<>();
-
-	@Before
-	public void setup() {
-		setupLogging(true, true);
-	}
-
-	private void setupLogging(boolean debug, boolean info) {
-		this.log = mock(Log.class);
-		logThreadLocal.set(this.log);
-
-		given(this.log.isDebugEnabled()).willReturn(debug);
-		willAnswer(new Answer<Object>() {
-
-			@Override
-			public Object answer(InvocationOnMock invocation) throws Throwable {
-				return AutoConfigurationReportLoggingInitializerTests.this.debugLog
-						.add(String.valueOf(invocation.getArguments()[0]));
-			}
-
-		}).given(this.log).debug(any());
-
-		given(this.log.isInfoEnabled()).willReturn(info);
-		willAnswer(new Answer<Object>() {
+	@Rule
+	public InternalOutputCapture outputCapture = new InternalOutputCapture();
 
-			@Override
-			public Object answer(InvocationOnMock invocation) throws Throwable {
-				return AutoConfigurationReportLoggingInitializerTests.this.infoLog
-						.add(String.valueOf(invocation.getArguments()[0]));
-			}
-
-		}).given(this.log).info(any());
-
-		LogFactory.releaseAll();
-		System.setProperty(LogFactory.FACTORY_PROPERTY, MockLogFactory.class.getName());
-		this.initializer = new AutoConfigurationReportLoggingInitializer();
-	}
-
-	@After
-	public void cleanup() {
-		System.clearProperty(LogFactory.FACTORY_PROPERTY);
-		LogFactory.releaseAll();
-	}
+	private AutoConfigurationReportLoggingInitializer initializer = new AutoConfigurationReportLoggingInitializer();
 
 	@Test
 	public void logsDebugOnContextRefresh() {
@@ -118,8 +62,10 @@ public class AutoConfigurationReportLoggingInitializerTests {
 		this.initializer.initialize(context);
 		context.register(Config.class);
 		context.refresh();
-		this.initializer.onApplicationEvent(new ContextRefreshedEvent(context));
-		assertThat(this.debugLog.size()).isNotEqualTo(0);
+		withDebugLogging(() -> {
+			this.initializer.onApplicationEvent(new ContextRefreshedEvent(context));
+		});
+		assertThat(this.outputCapture.toString()).contains("AUTO-CONFIGURATION REPORT");
 	}
 
 	@Test
@@ -132,16 +78,16 @@ public class AutoConfigurationReportLoggingInitializerTests {
 			fail("Did not error");
 		}
 		catch (Exception ex) {
-			this.initializer.onApplicationEvent(new ApplicationFailedEvent(
-					new SpringApplication(), new String[0], context, ex));
+			withDebugLogging(() -> {
+				this.initializer.onApplicationEvent(new ApplicationFailedEvent(
+						new SpringApplication(), new String[0], context, ex));
+			});
 		}
-		assertThat(this.debugLog.size()).isNotEqualTo(0);
-		assertThat(this.infoLog.size()).isEqualTo(0);
+		assertThat(this.outputCapture.toString()).contains("AUTO-CONFIGURATION REPORT");
 	}
 
 	@Test
 	public void logsInfoOnErrorIfDebugDisabled() {
-		setupLogging(false, true);
 		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
 		this.initializer.initialize(context);
 		context.register(ErrorConfig.class);
@@ -153,8 +99,9 @@ public class AutoConfigurationReportLoggingInitializerTests {
 			this.initializer.onApplicationEvent(new ApplicationFailedEvent(
 					new SpringApplication(), new String[0], context, ex));
 		}
-		assertThat(this.debugLog.size()).isEqualTo(0);
-		assertThat(this.infoLog.size()).isNotEqualTo(0);
+		assertThat(this.outputCapture.toString()).contains("Error starting"
+				+ " ApplicationContext. To display the auto-configuration report re-run"
+				+ " your application with 'debug' enabled.");
 	}
 
 	@Test
@@ -165,13 +112,10 @@ public class AutoConfigurationReportLoggingInitializerTests {
 		ConditionEvaluationReport.get(context.getBeanFactory())
 				.recordExclusions(Arrays.asList("com.foo.Bar"));
 		context.refresh();
-		this.initializer.onApplicationEvent(new ContextRefreshedEvent(context));
-		for (String message : this.debugLog) {
-			System.out.println(message);
-		}
-		// Just basic sanity check, test is for visual inspection
-		String l = this.debugLog.get(0);
-		assertThat(l)
+		withDebugLogging(() -> {
+			this.initializer.onApplicationEvent(new ContextRefreshedEvent(context));
+		});
+		assertThat(this.outputCapture.toString())
 				.contains("not a servlet web application (OnWebApplicationCondition)");
 	}
 
@@ -199,20 +143,23 @@ public class AutoConfigurationReportLoggingInitializerTests {
 		this.initializer
 				.onApplicationEvent(new ApplicationFailedEvent(new SpringApplication(),
 						new String[0], null, new RuntimeException("Planned")));
-		assertThat(this.infoLog.get(0))
+		assertThat(this.outputCapture.toString())
 				.contains("Unable to provide auto-configuration report");
 	}
 
-	public static class MockLogFactory extends LogFactoryImpl {
-
-		@Override
-		public Log getInstance(String name) throws LogConfigurationException {
-			if (AutoConfigurationReportLoggingInitializer.class.getName().equals(name)) {
-				return logThreadLocal.get();
-			}
-			return new NoOpLog();
+	private void withDebugLogging(Runnable runnable) {
+		LoggerContext context = (LoggerContext) StaticLoggerBinder.getSingleton()
+				.getLoggerFactory();
+		Logger logger = context
+				.getLogger(AutoConfigurationReportLoggingInitializer.class);
+		Level currentLevel = logger.getLevel();
+		logger.setLevel(Level.DEBUG);
+		try {
+			runnable.run();
+		}
+		finally {
+			logger.setLevel(currentLevel);
 		}
-
 	}
 
 	@Configuration

spring-boot-cli/src/test/java/org/springframework/boot/cli/CliTester.java

@@ -155,8 +155,10 @@ public class CliTester implements TestRule {
 		return sources;
 	}
 
-	public String getOutput() {
-		return this.outputCapture.toString();
+	private String getOutput() {
+		String output = this.outputCapture.toString();
+		this.outputCapture.reset();
+		return output;
 	}
 
 	@Override

spring-boot-cli/src/test/java/org/springframework/boot/cli/DirectorySourcesIntegrationTests.java

 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 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.
@@ -33,20 +33,17 @@ public class DirectorySourcesIntegrationTests {
 
 	@Test
 	public void runDirectory() throws Exception {
-		this.cli.run("code");
-		assertThat(this.cli.getOutput()).contains("Hello World");
+		assertThat(this.cli.run("code")).contains("Hello World");
 	}
 
 	@Test
 	public void runDirectoryRecursive() throws Exception {
-		this.cli.run("");
-		assertThat(this.cli.getOutput()).contains("Hello World");
+		assertThat(this.cli.run("")).contains("Hello World");
 	}
 
 	@Test
 	public void runPathPattern() throws Exception {
-		this.cli.run("**/*.groovy");
-		assertThat(this.cli.getOutput()).contains("Hello World");
+		assertThat(this.cli.run("**/*.groovy")).contains("Hello World");
 	}
 
 }

spring-boot-cli/src/test/java/org/springframework/boot/cli/ReproIntegrationTests.java

 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 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.
@@ -47,14 +47,12 @@ public class ReproIntegrationTests {
 	// this will fail
 	@Test
 	public void securityDependencies() throws Exception {
-		this.cli.run("secure.groovy");
-		assertThat(this.cli.getOutput()).contains("Hello World");
+		assertThat(this.cli.run("secure.groovy")).contains("Hello World");
 	}
 
 	@Test
 	public void dataJpaDependencies() throws Exception {
-		this.cli.run("data-jpa.groovy");
-		assertThat(this.cli.getOutput()).contains("Hello World");
+		assertThat(this.cli.run("data-jpa.groovy")).contains("Hello World");
 	}
 
 	@Test

spring-boot-cli/src/test/java/org/springframework/boot/cli/RunCommandIntegrationTests.java

 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 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.
@@ -59,6 +59,7 @@ public class RunCommandIntegrationTests {
 
 	@Test
 	public void quietModeSuppressesAllCliOutput() throws Exception {
+		this.cli.run("quiet.groovy");
 		String output = this.cli.run("quiet.groovy", "-q");
 		assertThat(output).isEqualTo("Ssshh");
 	}

spring-boot-cli/src/test/java/org/springframework/boot/cli/SampleIntegrationTests.java

 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 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.
@@ -159,8 +159,7 @@ public class SampleIntegrationTests {
 
 	@Test
 	public void caching() throws Exception {
-		this.cli.run("caching.groovy");
-		assertThat(this.cli.getOutput()).contains("Hello World");
+		assertThat(this.cli.run("caching.groovy")).contains("Hello World");
 	}
 
 }

spring-boot-cli/src/test/java/org/springframework/boot/cli/command/install/GroovyGrabDependencyResolverTests.java

@@ -105,10 +105,10 @@ public class GroovyGrabDependencyResolverTests {
 	@Test
 	@SuppressWarnings({ "unchecked", "rawtypes" })
 	public void resolveShorthandArtifactWithDependencies() throws Exception {
-		List<File> resolved = this.resolver.resolve(Arrays.asList("spring-core"));
+		List<File> resolved = this.resolver.resolve(Arrays.asList("spring-beans"));
 		assertThat(resolved).hasSize(2);
-		assertThat(getNames(resolved)).has((Condition) Matched.by(
-				hasItems(startsWith("commons-logging-"), startsWith("spring-core-"))));
+		assertThat(getNames(resolved)).has((Condition) Matched
+				.by(hasItems(startsWith("spring-core-"), startsWith("spring-beans-"))));
 	}
 
 	@Test

spring-boot-cli/src/test/java/org/springframework/boot/cli/compiler/grape/AetherGrapeEngineTests.java

@@ -66,8 +66,8 @@ public class AetherGrapeEngineTests {
 	public void dependencyResolution() {
 		Map<String, Object> args = new HashMap<>();
 		createGrapeEngine(this.springMilestones).grab(args,
-				createDependency("org.springframework", "spring-jdbc", "3.2.4.RELEASE"));
-		assertThat(this.groovyClassLoader.getURLs()).hasSize(5);
+				createDependency("org.springframework", "spring-jdbc", null));
+		assertThat(this.groovyClassLoader.getURLs()).hasSize(4);
 	}
 
 	@Test
@@ -153,10 +153,10 @@ public class AetherGrapeEngineTests {
 		args.put("classLoader", customClassLoader);
 
 		createGrapeEngine(this.springMilestones).grab(args,
-				createDependency("org.springframework", "spring-jdbc", "3.2.4.RELEASE"));
+				createDependency("org.springframework", "spring-jdbc", null));
 
 		assertThat(this.groovyClassLoader.getURLs().length).isEqualTo(0);
-		assertThat(customClassLoader.getURLs().length).isEqualTo(5);
+		assertThat(customClassLoader.getURLs().length).isEqualTo(4);
 	}
 
 	@Test

spring-boot-starters/spring-boot-starter-data-cassandra/pom.xml

@@ -30,6 +30,12 @@
 		<dependency>
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-cassandra</artifactId>
+			<exclusions>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 	</dependencies>
 </project>

spring-boot-starters/spring-boot-starter-data-couchbase/pom.xml

@@ -26,6 +26,12 @@
 		<dependency>
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-couchbase</artifactId>
+			<exclusions>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 	</dependencies>
 	<build>

spring-boot-starters/spring-boot-starter-data-elasticsearch/pom.xml

@@ -26,6 +26,12 @@
 		<dependency>
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-elasticsearch</artifactId>
+			<exclusions>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 	</dependencies>
 	<build>

spring-boot-starters/spring-boot-starter-data-jpa/pom.xml

@@ -54,6 +54,10 @@
 					<groupId>org.aspectj</groupId>
 					<artifactId>aspectjrt</artifactId>
 				</exclusion>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
 			</exclusions>
 		</dependency>
 		<dependency>

spring-boot-starters/spring-boot-starter-data-ldap/pom.xml

@@ -26,6 +26,12 @@
 		<dependency>
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-ldap</artifactId>
+			<exclusions>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 	</dependencies>
 	<build>

spring-boot-starters/spring-boot-starter-data-mongodb-reactive/pom.xml

@@ -31,6 +31,10 @@
 					<groupId>org.mongodb</groupId>
 					<artifactId>mongo-java-driver</artifactId>
 				</exclusion>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
 			</exclusions>
 		</dependency>
 		<dependency>

spring-boot-starters/spring-boot-starter-data-mongodb/pom.xml

@@ -35,6 +35,10 @@
 					<groupId>org.mongodb</groupId>
 					<artifactId>mongo-java-driver</artifactId>
 				</exclusion>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
 			</exclusions>
 		</dependency>
 	</dependencies>

spring-boot-starters/spring-boot-starter-data-neo4j/pom.xml

@@ -25,6 +25,12 @@
 		<dependency>
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-neo4j</artifactId>
+			<exclusions>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 	</dependencies>
 </project>

spring-boot-starters/spring-boot-starter-data-redis/pom.xml

@@ -26,6 +26,12 @@
 		<dependency>
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-redis</artifactId>
+			<exclusions>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 		<dependency>
 			<groupId>redis.clients</groupId>

spring-boot-starters/spring-boot-starter-data-rest/pom.xml

@@ -38,6 +38,12 @@
 		<dependency>
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-rest-webmvc</artifactId>
+			<exclusions>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 	</dependencies>
 	<build>

spring-boot-starters/spring-boot-starter-data-solr/pom.xml

@@ -31,11 +31,21 @@
 					<groupId>log4j</groupId>
 					<artifactId>log4j</artifactId>
 				</exclusion>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
 			</exclusions>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-solr</artifactId>
+			<exclusions>
+				<exclusion>
+					<groupId>org.slf4j</groupId>
+					<artifactId>jcl-over-slf4j</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 		<dependency>
 			 <groupId>org.apache.httpcomponents</groupId>

spring-boot-starters/spring-boot-starter-log4j2/pom.xml

@@ -31,10 +31,6 @@
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-core</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.slf4j</groupId>
-			<artifactId>jcl-over-slf4j</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>jul-to-slf4j</artifactId>

spring-boot-starters/spring-boot-starter-logging/pom.xml

@@ -22,10 +22,6 @@
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-classic</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.slf4j</groupId>
-			<artifactId>jcl-over-slf4j</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>jul-to-slf4j</artifactId>

spring-boot/src/test/java/org/springframework/boot/SpringApplicationTests.java

@@ -238,7 +238,7 @@ public class SpringApplicationTests {
 		application.setWebApplicationType(WebApplicationType.NONE);
 		this.context = application.run("--spring.main.banner-mode=log");
 		verify(application, atLeastOnce()).setBannerMode(Banner.Mode.LOG);
-		assertThat(this.output.toString()).contains("o.s.boot.SpringApplication");
+		assertThat(this.output.toString()).contains("o.s.b.SpringApplication");
 	}
 
 	@Test

spring-boot/src/test/java/org/springframework/boot/context/config/ConfigFileApplicationListenerTests.java

@@ -28,16 +28,15 @@ import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 
-import ch.qos.logback.classic.BasicConfigurator;
-import ch.qos.logback.classic.Logger;
-import ch.qos.logback.classic.LoggerContext;
+import org.apache.logging.log4j.Level;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.core.LoggerContext;
+import org.apache.logging.log4j.core.config.LoggerConfig;
 import org.assertj.core.api.Condition;
 import org.junit.After;
-import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
-import org.slf4j.LoggerFactory;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.WebApplicationType;
@@ -90,14 +89,6 @@ public class ConfigFileApplicationListenerTests {
 
 	private ConfigurableApplicationContext context;
 
-	@Before
-	public void resetLogging() {
-		LoggerContext loggerContext = ((Logger) LoggerFactory.getLogger(getClass()))
-				.getLoggerContext();
-		loggerContext.reset();
-		new BasicConfigurator().configure(loggerContext);
-	}
-
 	@After
 	public void cleanUp() {
 		if (this.context != null) {
@@ -442,7 +433,9 @@ public class ConfigFileApplicationListenerTests {
 		ApplicationPreparedEvent event = new ApplicationPreparedEvent(
 				new SpringApplication(), new String[0],
 				new AnnotationConfigApplicationContext());
-		this.initializer.onApplicationEvent(event);
+		withDebugLogging(() -> {
+			this.initializer.onApplicationEvent(event);
+		});
 		String log = this.out.toString();
 
 		// First make sure that each profile got processed only once
@@ -463,6 +456,23 @@ public class ConfigFileApplicationListenerTests {
 		}
 	}
 
+	private void withDebugLogging(Runnable runnable) {
+		LoggerContext loggingContext = (LoggerContext) LogManager.getContext(true);
+		org.apache.logging.log4j.core.config.Configuration configuration = loggingContext
+				.getConfiguration();
+		configuration.addLogger(ConfigFileApplicationListener.class.getName(),
+				new LoggerConfig(ConfigFileApplicationListener.class.getName(),
+						Level.DEBUG, true));
+		loggingContext.updateLoggers();
+		try {
+			runnable.run();
+		}
+		finally {
+			configuration.removeLogger(ConfigFileApplicationListener.class.getName());
+			loggingContext.updateLoggers();
+		}
+	}
+
 	private String createLogForProfile(String profile) {
 		String suffix = profile != null ? "-" + profile : "";
 		String string = ".properties)";

spring-boot/src/test/java/org/springframework/boot/context/logging/LoggingApplicationListenerTests.java

@@ -34,12 +34,15 @@ import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
 import org.junit.rules.TemporaryFolder;
+import org.junit.runner.RunWith;
 import org.slf4j.bridge.SLF4JBridgeHandler;
 
 import org.springframework.boot.ApplicationPid;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.context.event.ApplicationFailedEvent;
 import org.springframework.boot.context.event.ApplicationStartingEvent;
+import org.springframework.boot.junit.runner.classpath.ClassPathExclusions;
+import org.springframework.boot.junit.runner.classpath.ModifiedClassPathRunner;
 import org.springframework.boot.logging.AbstractLoggingSystem;
 import org.springframework.boot.logging.LogFile;
 import org.springframework.boot.logging.LogLevel;
@@ -61,7 +64,7 @@ import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.not;
 
 /**
- * Tests for {@link LoggingApplicationListener}.
+ * Tests for {@link LoggingApplicationListener} with Logback.
  *
  * @author Dave Syer
  * @author Phillip Webb
@@ -69,6 +72,9 @@ import static org.hamcrest.Matchers.not;
  * @author Stephane Nicoll
  * @author Ben Hale
  */
+
+@RunWith(ModifiedClassPathRunner.class)
+@ClassPathExclusions("log4j*.jar")
 public class LoggingApplicationListenerTests {
 
 	private static final String[] NO_ARGS = {};

spring-boot/src/test/java/org/springframework/boot/logging/java/JavaLoggingSystemTests.java

 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 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.
@@ -23,8 +23,8 @@ import java.util.EnumSet;
 import java.util.List;
 import java.util.Locale;
 import java.util.logging.Level;
+import java.util.logging.Logger;
 
-import org.apache.commons.logging.impl.Jdk14Logger;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Rule;
@@ -64,7 +64,7 @@ public class JavaLoggingSystemTests extends AbstractLoggingSystemTests {
 	@Rule
 	public InternalOutputCapture output = new InternalOutputCapture();
 
-	private Jdk14Logger logger;
+	private Logger logger;
 
 	private Locale defaultLocale;
 
@@ -72,7 +72,7 @@ public class JavaLoggingSystemTests extends AbstractLoggingSystemTests {
 	public void init() throws SecurityException, IOException {
 		this.defaultLocale = Locale.getDefault();
 		Locale.setDefault(Locale.ENGLISH);
-		this.logger = new Jdk14Logger(getClass().getName());
+		this.logger = Logger.getLogger(getClass().getName());
 	}
 
 	@After
@@ -82,7 +82,7 @@ public class JavaLoggingSystemTests extends AbstractLoggingSystemTests {
 
 	@After
 	public void resetLogger() {
-		this.logger.getLogger().setLevel(Level.OFF);
+		this.logger.setLevel(Level.OFF);
 	}
 
 	@Test
@@ -161,9 +161,9 @@ public class JavaLoggingSystemTests extends AbstractLoggingSystemTests {
 	public void setLevel() throws Exception {
 		this.loggingSystem.beforeInitialize();
 		this.loggingSystem.initialize(null, null, null);
-		this.logger.debug("Hello");
+		this.logger.fine("Hello");
 		this.loggingSystem.setLogLevel("org.springframework.boot", LogLevel.DEBUG);
-		this.logger.debug("Hello");
+		this.logger.fine("Hello");
 		assertThat(StringUtils.countOccurrencesOf(this.output.toString(), "Hello"))
 				.isEqualTo(1);
 	}

spring-boot/src/test/resources/log4j2-test.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="warn" name="test" packages="">
+	<Properties>
+		<Property name="LOG_EXCEPTION_CONVERSION_WORD">%xwEx</Property>
+		<Property name="LOG_LEVEL_PATTERN">%5p</Property>
+	</Properties>
+	<Appenders>
+		<Console name="STDOUT" target="SYSTEM_OUT" follow="true">
+			<PatternLayout pattern="%clr{%d{yyyy-MM-dd HH:mm:ss.SSS}}{faint} %clr{${LOG_LEVEL_PATTERN}} %clr{${sys:PID}}{magenta} %clr{---}{faint} %clr{[%15.15t]}{faint} %clr{%-40.40c{1.}}{cyan} %clr{:}{faint} %m%n${sys:LOG_EXCEPTION_CONVERSION_WORD}"/>
+		</Console>
+	</Appenders>
+	<Loggers>
+		<Root level="info">
+			<AppenderRef ref="STDOUT"/>
+		</Root>
+	</Loggers>
+</Configuration>