Use Hibernate 4.2 instead of 4.3

hapi-fhir-jpaserver-base/pom.xml

@@ -269,6 +269,9 @@
 					<target>SCRIPT</target>
 					<skip>${skip-hib4}</skip>
 				</configuration>
+				<!--
+				This needs to be uncommented in order for this plugin to work with
+				Hibernate 4.3+ (as of hibernate4-maven-plugin version 1.0.5)
 				<dependencies>
 					<dependency>
 						<groupId>org.hibernate</groupId>
@@ -276,6 +279,7 @@
 						<version>${hibernate_version}</version>
 					</dependency>
 				</dependencies>
+				-->
 				<executions>
 					<execution>
 						<id>o10g</id>

pom.xml

@@ -144,7 +144,15 @@
 		<derby_version>10.11.1.1</derby_version>
 		<guava_version>18.0</guava_version>
 		<hamcrest_version>1.3</hamcrest_version>
-		<hibernate_version>4.3.7.Final<!-- 4.2.12.Final --></hibernate_version>
+		<hibernate_version>4.2.17.Final</hibernate_version>
+		<!--
+		Note on Hibernate versions: Hibernate 4.3+ uses JPA 2.1, which is too new for
+		a number of platforms including JBoss EAP 6.x and Glassfish 3.0. Upgrade this 
+		version with caution! Also note that if you change this, you may get a failure 
+		in hibernate4-maven-plugin. See the note in hapi-fhir-jpaserver-base/pom.xml's
+		configuration for that plugin...
+		<hibernate_version>4.3.7.Final</hibernate_version>
+		-->
 		<hibernate_validator_version>5.1.0.Final</hibernate_validator_version>
 		<jetty_version>9.2.6.v20141205</jetty_version>
 		<jscience_version>4.3.1</jscience_version>