Updated to JPA 2.1 requirement

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -34,7 +34,7 @@ import org.springframework.transaction.TransactionException;
  * <p>Simply begins a standard JPA transaction in {@link #beginTransaction} and
  * performs standard exception translation through {@link EntityManagerFactoryUtils}.
  *
- * <p><b>NOTE: Spring's JPA support requires JPA 2.0 or higher, as of Spring 4.0.</b>
+ * <p><b>NOTE: Spring's JPA support requires JPA 2.1 or higher, as of Spring 5.0.</b>
  *
  * @author Juergen Hoeller
  * @since 2.0

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -26,7 +26,7 @@ import org.springframework.transaction.TransactionDefinition;
 import org.springframework.transaction.TransactionException;
 
 /**
- * SPI strategy that encapsulates certain functionality that standard JPA 2.0 does
+ * SPI strategy that encapsulates certain functionality that standard JPA 2.1 does
  * not offer, such as access to the underlying JDBC Connection. This strategy is
  * mainly intended for standalone usage of a JPA provider; most of its functionality
  * is not relevant when running with JTA transactions.

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

@@ -67,10 +67,9 @@ import org.springframework.util.ClassUtils;
  * plus the {@link EntityManagerFactoryInfo} interface which exposes additional
  * metadata as assembled by this FactoryBean.
  *
- * <p><b>NOTE: Spring's JPA support requires JPA 2.0 or higher, as of Spring 4.0.</b>
- * JPA 1.0 based applications are still supported; however, a JPA 2.0/2.1 compliant
- * persistence provider is needed at runtime. Spring's persistence unit bootstrapping
- * automatically detects JPA 2.0 vs 2.1 through checking the JPA API on the classpath.
+ * <p><b>NOTE: Spring's JPA support requires JPA 2.1 or higher, as of Spring 5.0.</b>
+ * JPA 1.0/2.0 based applications are still supported; however, a JPA 2.1 compliant
+ * persistence provider is needed at runtime.
  *
  * @author Juergen Hoeller
  * @author Rod Johnson

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -52,8 +52,8 @@ import javax.persistence.spi.PersistenceProvider;
  * to the JPA provider, consider using Spring's more powerful
  * {@link LocalContainerEntityManagerFactoryBean} instead.
  *
- * <p><b>NOTE: Spring's JPA support requires JPA 2.0 or higher, as of Spring 4.0.</b>
- * JPA 1.0 based applications are still supported; however, a JPA 2.0/2.1 compliant
+ * <p><b>NOTE: Spring's JPA support requires JPA 2.1 or higher, as of Spring 5.0.</b>
+ * JPA 1.0/2.0 based applications are still supported; however, a JPA 2.1 compliant
  * persistence provider is needed at runtime.
  *
  * @author Juergen Hoeller