XML parsing tests pass on non-English locales now, plus a revised exception message and some minor polishing

Issue: SPR-13136

spring-oxm/src/main/java/org/springframework/oxm/jaxb/Jaxb2Marshaller.java

@@ -37,7 +37,6 @@ import java.util.Calendar;
 import java.util.Date;
 import java.util.Map;
 import java.util.UUID;
-
 import javax.activation.DataHandler;
 import javax.activation.DataSource;
 import javax.xml.XMLConstants;

spring-oxm/src/test/java/org/springframework/oxm/castor/CastorUnmarshallerTests.java

@@ -16,18 +16,10 @@
 
 package org.springframework.oxm.castor;
 
-import static junit.framework.Assert.assertEquals;
-import static org.hamcrest.CoreMatchers.*;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.*;
-
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.StringReader;
 import java.util.concurrent.atomic.AtomicReference;
-
 import javax.xml.transform.sax.SAXSource;
 import javax.xml.transform.stream.StreamSource;
 
@@ -41,6 +33,13 @@ import org.springframework.oxm.AbstractUnmarshallerTests;
 import org.springframework.oxm.MarshallingException;
 import org.springframework.oxm.Unmarshaller;
 
+import static junit.framework.Assert.assertEquals;
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
+import static org.junit.Assert.*;
+
 /**
  * @author Arjen Poutsma
  * @author Jakub Narloch

spring-oxm/src/test/java/org/springframework/oxm/jaxb/Jaxb2MarshallerTests.java

@@ -74,6 +74,7 @@ public class Jaxb2MarshallerTests extends AbstractMarshallerTests {
 
 	private Flights flights;
 
+
 	@Override
 	public Marshaller createMarshaller() throws Exception {
 		marshaller = new Jaxb2Marshaller();
@@ -91,6 +92,7 @@ public class Jaxb2MarshallerTests extends AbstractMarshallerTests {
 		return flights;
 	}
 
+
 	@Test
 	public void marshalSAXResult() throws Exception {
 		ContentHandler contentHandler = mock(ContentHandler.class);