pom:xml: use <dependencyManagement> to force versions of spring-core,...

pom:xml: use <dependencyManagement> to force versions of spring-core, spring-context and spring-beans to 3.2.x. instead of exclusions on spring-data-jpa dependency because Maven sometimes pulls both versions 3.2.x and 3.1.x versions of coring-core, spring-beans and spring-context.

pom.xml

@@ -102,12 +102,6 @@
 			<groupId>org.springframework.data</groupId>
 			<artifactId>spring-data-jpa</artifactId>
 			<version>${spring-data-jpa.version}</version>
-			<exclusions>
-				<exclusion>
-					<groupId>org.springframework</groupId>
-					<artifactId>*</artifactId>
-				</exclusion>
-			</exclusions>
 		</dependency>
 
 		<dependency>
@@ -318,6 +312,47 @@
 
 	</dependencies>
 
+	<dependencyManagement>
+		<dependencies>
+			<!--
+				Force the version of all the spring jars (core, beans, context, ...) 
+				pulled by spring-data-jpa:1.3.4.RELEASE to 3.2.x when spring-data pulls 
+				the 3.1.x versions to prevent some misbehaviors of maven which sometimes 
+				pulls both 3.2.x and 3.1.x versions of spring-core, spring-beans and spring-context
+			-->
+			<dependency>
+					<groupId>org.springframework</groupId>
+					<artifactId>spring-core</artifactId>
+					<version>${spring-framework.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.springframework</groupId>
+				<artifactId>spring-beans</artifactId>
+				<version>${spring-framework.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.springframework</groupId>
+				<artifactId>spring-context</artifactId>
+				<version>${spring-framework.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.springframework</groupId>
+				<artifactId>spring-orm</artifactId>
+				<version>${spring-framework.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.springframework</groupId>
+				<artifactId>spring-aop</artifactId>
+				<version>${spring-framework.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.springframework</groupId>
+				<artifactId>spring-tx</artifactId>
+				<version>${spring-framework.version}</version>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
+
 	<!-- Maven plugin versions are mentioned in order to guarantee the build reproducibility in the long term -->
 	<build>
 		<defaultGoal>install</defaultGoal>