Query termination for JPA 2.1 StoredProcedureQuery.execute() method

Issue: SPR-16826

spring-orm/src/main/java/org/springframework/orm/jpa/SharedEntityManagerCreator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -78,6 +78,7 @@ public abstract class SharedEntityManagerCreator {
 		transactionRequiringMethods.add("remove");
 		transactionRequiringMethods.add("refresh");
 
+		queryTerminatingMethods.add("execute");  // JPA 2.1 StoredProcedureQuery
 		queryTerminatingMethods.add("executeUpdate");
 		queryTerminatingMethods.add("getSingleResult");
 		queryTerminatingMethods.add("getResultList");