Investigating

spring-boot/src/main/java/org/springframework/boot/builder/SpringApplicationBuilder.java

@@ -99,7 +99,7 @@ public class SpringApplicationBuilder {
 		if (this.parent != null) {
 			// If there is a parent initialize it and make sure it is added to the current
 			// context
-			addInitializers(new ParentContextApplicationContextInitializer(
+			addInitializers(true, new ParentContextApplicationContextInitializer(
 					this.parent.run(args)));
 		}
 
@@ -111,6 +111,8 @@ public class SpringApplicationBuilder {
 		if (this.running.compareAndSet(false, true)) {
 			synchronized (this.running) {
 				// If not already running copy the sources over and then run.
+				// this.application.setDefaultArgs(this.defaultArgs
+				// .toArray(new String[this.defaultArgs.size()]));
 				this.application.setSources(this.sources);
 				this.context = this.application.run(args);
 			}
@@ -190,7 +192,7 @@ public class SpringApplicationBuilder {
 		this.parent = new SpringApplicationBuilder();
 		this.parent.context = parent;
 		this.parent.running.set(true);
-		addInitializers(new ParentContextApplicationContextInitializer(parent));
+		addInitializers(true, new ParentContextApplicationContextInitializer(parent));
 		return this;
 	}
 
@@ -394,17 +396,24 @@ public class SpringApplicationBuilder {
 	 */
 	public SpringApplicationBuilder initializers(
 			ApplicationContextInitializer<?>... initializers) {
-		addInitializers(initializers);
+		addInitializers(false, initializers);
 		return this;
 	}
 
 	/**
 	 * @param initializers the initializers to add
 	 */
-	private void addInitializers(ApplicationContextInitializer<?>... initializers) {
+	private void addInitializers(boolean prepend,
-		Set<ApplicationContextInitializer<?>> target = new LinkedHashSet<ApplicationContextInitializer<?>>(
+			ApplicationContextInitializer<?>... initializers) {
-				this.application.getInitializers());
+		Set<ApplicationContextInitializer<?>> target = new LinkedHashSet<ApplicationContextInitializer<?>>();
-		target.addAll(Arrays.asList(initializers));
+		if (prepend) {
+			target.addAll(Arrays.asList(initializers));
+			target.addAll(this.application.getInitializers());
+		}
+		else {
+			target.addAll(this.application.getInitializers());
+			target.addAll(Arrays.asList(initializers));
+		}
 		this.application.setInitializers(target);
 	}
 

spring-boot/src/main/java/org/springframework/boot/context/initializer/ConfigFileApplicationContextInitializer.java

@@ -171,7 +171,7 @@ public class ConfigFileApplicationContextInitializer implements
 		}
 
 		Resource resource = resourceLoader.getResource(location);
-		PropertySource<?> propertySource = getPropertySource(resource, loaders);
+		PropertySource<?> propertySource = getPropertySource(resource, profile, loaders);
 		if (propertySource == null) {
 			return;
 		}
@@ -187,9 +187,9 @@ public class ConfigFileApplicationContextInitializer implements
 		environment.getPropertySources().addLast(propertySource);
 	}
 
-	private PropertySource<?> getPropertySource(Resource resource,
+	private PropertySource<?> getPropertySource(Resource resource, String profile,
 			List<PropertySourceLoader> loaders) {
-		String key = resource.getDescription();
+		String key = resource.getDescription() + (profile == null ? "" : "#" + profile);
 		if (this.cached.containsKey(key)) {
 			return this.cached.get(key);
 		}

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

@@ -87,6 +87,23 @@ public class SpringApplicationBuilderTests {
 				any(ApplicationContext.class));
 	}
 
+	@Test
+	public void parentFirstCreationWithProfileAndDefaultArgs() throws Exception {
+		SpringApplicationBuilder application = new SpringApplicationBuilder(
+				ExampleConfig.class).profiles("node").defaultArgs("--transport=redis")
+				.child(ChildConfig.class).web(false);
+		this.context = application.run();
+		assertThat(this.context.getEnvironment().acceptsProfiles("node"), is(true));
+		assertThat(this.context.getEnvironment().getProperty("transport"),
+				is(equalTo("redis")));
+		assertThat(this.context.getParent().getEnvironment().acceptsProfiles("node"),
+				is(true));
+		assertThat(this.context.getParent().getEnvironment().getProperty("transport"),
+				is(equalTo("redis")));
+		// only defined in node profile
+		assertThat(this.context.getEnvironment().getProperty("bar"), is(equalTo("spam")));
+	}
+
 	@Test
 	public void parentContextIdentical() throws Exception {
 		SpringApplicationBuilder application = new SpringApplicationBuilder(

spring-boot/src/test/resources/application-node.properties

@@ -0,0 +1 @@
+bar: spam

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

@@ -8,6 +8,7 @@
 		</encoder>
 	</appender>
 	<logger name="org.springframework.boot.context.annotation" level="TRACE" />
+	<logger name="org.springframework.boot.context.initializer" level="TRACE" />
 	<logger name="org.springframework.boot.config" level="TRACE" />
 	<logger name="org.thymeleaf" level="TRACE" />
 	<root level="INFO">