diff --git a/eclipse/org.eclipse.jdt.ui.prefs b/eclipse/org.eclipse.jdt.ui.prefs
index 43281c1a5c..45d41ec935 100644
--- a/eclipse/org.eclipse.jdt.ui.prefs
+++ b/eclipse/org.eclipse.jdt.ui.prefs
@@ -87,7 +87,7 @@ sp_cleanup.always_use_this_for_non_static_method_access=false
 sp_cleanup.convert_to_enhanced_for_loop=false
 sp_cleanup.correct_indentation=false
 sp_cleanup.format_source_code=true
-sp_cleanup.format_source_code_changes_only=true
+sp_cleanup.format_source_code_changes_only=false
 sp_cleanup.make_local_variable_final=false
 sp_cleanup.make_parameters_final=false
 sp_cleanup.make_private_fields_final=false
diff --git a/spring-boot-deployment-tests/pom.xml b/spring-boot-deployment-tests/pom.xml
index f1af1b523f..4051933721 100644
--- a/spring-boot-deployment-tests/pom.xml
+++ b/spring-boot-deployment-tests/pom.xml
@@ -20,7 +20,7 @@
 		<main.basedir>${basedir}/..</main.basedir>
 		<java.version>1.7</java.version>
 		<cargo.timeout>300000</cargo.timeout>
-		<cargo.container.download-dir>${user.home}/.cargo/installs</cargo.container.download-dir>
+		<cargo.container.download-dir>${java.io.tmpdir}/cargo/installs</cargo.container.download-dir>
 	</properties>
 	<modules>
 		<module>spring-boot-deployment-test-tomee</module>
diff --git a/spring-boot/src/main/java/org/springframework/boot/bind/PropertySourcesPropertyValues.java b/spring-boot/src/main/java/org/springframework/boot/bind/PropertySourcesPropertyValues.java
index 705326a731..2d14b3359e 100644
--- a/spring-boot/src/main/java/org/springframework/boot/bind/PropertySourcesPropertyValues.java
+++ b/spring-boot/src/main/java/org/springframework/boot/bind/PropertySourcesPropertyValues.java
@@ -19,6 +19,8 @@ package org.springframework.boot.bind;
 import java.util.Collection;
 import java.util.LinkedHashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.regex.Pattern;
 
 import org.springframework.beans.MutablePropertyValues;
 import org.springframework.beans.PropertyValue;
@@ -37,17 +39,22 @@ import org.springframework.validation.DataBinder;
  * used with the latter.
  *
  * @author Dave Syer
+ * @author Phillip Webb
  */
 public class PropertySourcesPropertyValues implements PropertyValues {
 
-	private final PropertySources propertySources;
+	private static final Pattern COLLECTION_PROPERTY = Pattern.compile("\\[(\\d+)\\]");
 
-	private final Map<String, PropertyValue> propertyValues = new LinkedHashMap<String, PropertyValue>();
+	private final PropertySources propertySources;
 
 	private final Collection<String> nonEnumerableFallbackNames;
 
 	private final PropertyNamePatternsMatcher includes;
 
+	private final Map<String, PropertyValue> propertyValues = new LinkedHashMap<String, PropertyValue>();
+
+	private final ConcurrentHashMap<String, PropertySource<?>> collectionOwners = new ConcurrentHashMap<String, PropertySource<?>>();
+
 	/**
 	 * Create a new PropertyValues from the given PropertySources.
 	 * @param propertySources a PropertySources instance
@@ -187,10 +194,15 @@ public class PropertySourcesPropertyValues implements PropertyValues {
 	private PropertyValue putIfAbsent(String propertyName, Object value,
 			PropertySource<?> source) {
 		if (value != null && !this.propertyValues.containsKey(propertyName)) {
-			PropertyValue propertyValue = new OriginCapablePropertyValue(propertyName,
-					value, propertyName, source);
-			this.propertyValues.put(propertyName, propertyValue);
-			return propertyValue;
+			PropertySource<?> collectionOwner = this.collectionOwners.putIfAbsent(
+					COLLECTION_PROPERTY.matcher(propertyName).replaceAll("[]"), source);
+			if (collectionOwner == null || collectionOwner == source) {
+				this.collectionOwners.get(this.collectionOwners);
+				PropertyValue propertyValue = new OriginCapablePropertyValue(
+						propertyName, value, propertyName, source);
+				this.propertyValues.put(propertyName, propertyValue);
+				return propertyValue;
+			}
 		}
 		return null;
 	}
diff --git a/spring-boot/src/test/java/org/springframework/boot/bind/PropertySourcesPropertyValuesTests.java b/spring-boot/src/test/java/org/springframework/boot/bind/PropertySourcesPropertyValuesTests.java
index 2cf79477cd..b480c97486 100644
--- a/spring-boot/src/test/java/org/springframework/boot/bind/PropertySourcesPropertyValuesTests.java
+++ b/spring-boot/src/test/java/org/springframework/boot/bind/PropertySourcesPropertyValuesTests.java
@@ -17,9 +17,11 @@
 package org.springframework.boot.bind;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
 
 import org.junit.Before;
@@ -31,12 +33,15 @@ import org.springframework.core.env.MutablePropertySources;
 import org.springframework.core.env.PropertySource;
 import org.springframework.validation.DataBinder;
 
+import static org.hamcrest.Matchers.equalTo;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
 
 /**
  * Tests for {@link PropertySourcesPropertyValues}.
  *
  * @author Dave Syer
+ * @author Phillip Webb
  */
 public class PropertySourcesPropertyValuesTests {
 
@@ -192,7 +197,35 @@ public class PropertySourcesPropertyValuesTests {
 		assertEquals(null, target.getName());
 	}
 
+	@Test
+	public void testCollectionProperty() throws Exception {
+		ListBean target = new ListBean();
+		DataBinder binder = new DataBinder(target);
+		Map<String, Object> map = new LinkedHashMap<String, Object>();
+		map.put("list[0]", "v0");
+		map.put("list[1]", "v1");
+		this.propertySources.addFirst(new MapPropertySource("values", map));
+		binder.bind(new PropertySourcesPropertyValues(this.propertySources));
+		assertThat(target.getList(), equalTo(Arrays.asList("v0", "v1")));
+	}
+
+	@Test
+	public void testFirstCollectionPropertyWins() throws Exception {
+		ListBean target = new ListBean();
+		DataBinder binder = new DataBinder(target);
+		Map<String, Object> first = new LinkedHashMap<String, Object>();
+		first.put("list[0]", "f0");
+		Map<String, Object> second = new LinkedHashMap<String, Object>();
+		second.put("list[0]", "s0");
+		second.put("list[1]", "s1");
+		this.propertySources.addFirst(new MapPropertySource("s", second));
+		this.propertySources.addFirst(new MapPropertySource("f", first));
+		binder.bind(new PropertySourcesPropertyValues(this.propertySources));
+		assertThat(target.getList(), equalTo(Collections.singletonList("f0")));
+	}
+
 	public static class TestBean {
+
 		private String name;
 
 		public String getName() {
@@ -205,6 +238,7 @@ public class PropertySourcesPropertyValuesTests {
 	}
 
 	public static class FooBean {
+
 		private String foo;
 
 		public String getFoo() {
@@ -214,6 +248,20 @@ public class PropertySourcesPropertyValuesTests {
 		public void setFoo(String foo) {
 			this.foo = foo;
 		}
+
+	}
+
+	public static class ListBean {
+
+		private List<String> list = new ArrayList<String>();
+
+		public List<String> getList() {
+			return this.list;
+		}
+
+		public void setList(List<String> list) {
+			this.list = list;
+		}
 	}
 
 }