Deprecate classpath logging listener and stop registering by default

Closes gh-23138

spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/RemoteSpringApplication.java

@@ -26,7 +26,6 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.WebApplicationType;
 import org.springframework.boot.context.config.AnsiOutputApplicationListener;
 import org.springframework.boot.context.config.ConfigDataEnvironmentPostProcessor;
-import org.springframework.boot.context.logging.ClasspathLoggingApplicationListener;
 import org.springframework.boot.context.logging.LoggingApplicationListener;
 import org.springframework.boot.devtools.remote.client.RemoteClientConfiguration;
 import org.springframework.boot.devtools.restart.RestartInitializer;
@@ -75,7 +74,6 @@ public final class RemoteSpringApplication {
 		listeners.add(new AnsiOutputApplicationListener());
 		listeners.add(new EnvironmentPostProcessorApplicationListener(
 				EnvironmentPostProcessorsFactory.of(ConfigDataEnvironmentPostProcessor.class)));
-		listeners.add(new ClasspathLoggingApplicationListener());
 		listeners.add(new LoggingApplicationListener());
 		listeners.add(new RemoteUrlPropertyExtractor());
 		return listeners;

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

@@ -24,6 +24,7 @@ import org.apache.commons.logging.LogFactory;
 
 import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent;
 import org.springframework.boot.context.event.ApplicationFailedEvent;
+import org.springframework.boot.diagnostics.FailureAnalysis;
 import org.springframework.context.ApplicationEvent;
 import org.springframework.context.event.GenericApplicationListener;
 import org.springframework.context.event.SmartApplicationListener;
@@ -37,7 +38,10 @@ import org.springframework.core.ResolvableType;
  *
  * @author Andy Wilkinson
  * @since 2.0.0
+ * @deprecated since 2.4.0 with no direct replacement. {@link FailureAnalysis} is now the
+ * preferred approach for diagnosing and reporting startup failures.
  */
+@Deprecated
 public final class ClasspathLoggingApplicationListener implements GenericApplicationListener {
 
 	private static final int ORDER = LoggingApplicationListener.DEFAULT_ORDER + 1;

spring-boot-project/spring-boot/src/main/resources/META-INF/spring.factories

@@ -42,7 +42,6 @@ org.springframework.boot.builder.ParentContextCloserApplicationListener,\
 org.springframework.boot.context.FileEncodingApplicationListener,\
 org.springframework.boot.context.config.AnsiOutputApplicationListener,\
 org.springframework.boot.context.config.DelegatingApplicationListener,\
-org.springframework.boot.context.logging.ClasspathLoggingApplicationListener,\
 org.springframework.boot.context.logging.LoggingApplicationListener,\
 org.springframework.boot.env.EnvironmentPostProcessorApplicationListener,\
 org.springframework.boot.liquibase.LiquibaseServiceLocatorApplicationListener