improve readability of an error message

Author: gavinking

hibernate-core/src/main/java/org/hibernate/boot/model/relational/Sequence.java

@@ -93,8 +93,7 @@ public void validate(int initialValue, int incrementSize) {
 		if ( this.initialValue != initialValue ) {
 			throw new HibernateException(
 					String.format(
-							"Multiple references to database sequence [%s] were encountered attempting to " +
-									"set conflicting values for 'initial value'.  Found [%s] and [%s]",
+							"Multiple generators using the database sequence '%s' are defined, with conflicting 'initialValue' specifications: %s, %s",
 							exportIdentifier,
 							this.initialValue,
 							initialValue
@@ -104,8 +103,7 @@ public void validate(int initialValue, int incrementSize) {
 		if ( this.incrementSize != incrementSize ) {
 			throw new HibernateException(
 					String.format(
-							"Multiple references to database sequence [%s] were encountered attempting to " +
-									"set conflicting values for 'increment size'.  Found [%s] and [%s]",
+							"Multiple generators using the database sequence '%s' are defined, with conflicting 'allocationSize' specifications: %s, %s",
 							exportIdentifier,
 							this.incrementSize,
 							incrementSize