Fix bug introduced by Spring @Configuration processing

spring-bootstrap-actuator/src/main/java/org/springframework/bootstrap/actuate/autoconfigure/TraceFilterConfiguration.java

@@ -45,10 +45,13 @@ public class TraceFilterConfiguration {
 	@Value("${management.dump_requests:false}")
 	private boolean dumpRequests;
 
-	@Bean
 	@ConditionalOnMissingBean(TraceRepository.class)
-	protected TraceRepository traceRepository() {
+	@Configuration
-		return this.traceRepository;
+	protected static class TraceRepositoryConfiguration {
+		@Bean
+		public TraceRepository traceRepository() {
+			return new InMemoryTraceRepository();
+		}
 	}
 
 	@Bean

spring-bootstrap-actuator/src/test/java/org/springframework/bootstrap/actuate/autoconfigure/TraceFilterConfigurationTests.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2012-2013 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.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.bootstrap.actuate.autoconfigure;
+
+import org.junit.Test;
+import org.springframework.bootstrap.actuate.trace.TraceRepository;
+import org.springframework.bootstrap.autoconfigure.PropertyPlaceholderAutoConfiguration;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+import static org.junit.Assert.assertNotNull;
+
+/**
+ * @author Dave Syer
+ */
+public class TraceFilterConfigurationTests {
+
+	private AnnotationConfigApplicationContext context;
+
+	@Test
+	public void testTraceConfiguration() throws Exception {
+		this.context = new AnnotationConfigApplicationContext();
+		this.context.register(PropertyPlaceholderAutoConfiguration.class,
+				TraceFilterConfiguration.class);
+		this.context.refresh();
+		assertNotNull(this.context.getBean(TraceRepository.class));
+	}
+
+}

spring-bootstrap/src/main/java/org/springframework/bootstrap/context/annotation/ConfigurationPropertiesBindingConfiguration.java

@@ -58,13 +58,11 @@ public class ConfigurationPropertiesBindingConfiguration {
 
 	@ConditionalOnMissingBean(name = VALIDATOR_BEAN_NAME)
 	@ConditionalOnClass(name = "javax.validation.Validator")
-	public static class ValidatorConfiguration {
+	protected static class ValidatorConfiguration {
-
 		@Bean
 		protected Validator configurationPropertiesValidator() {
 			return new LocalValidatorFactoryBean();
 		}
-
 	}
 
 	/**

spring-bootstrap/src/test/resources/logback-test.xml

@@ -7,6 +7,7 @@
 			<pattern>${LOG_PATTERN}</pattern>
 		</encoder>
 	</appender>
+	<logger name="org.springframework.beans.factory.annotation" level="TRACE" />
 	<root level="INFO">
 		<appender-ref ref="CONSOLE" />
 	</root>