Example project to reproduce DATAJPA-622.

AbstractEntityBase.java

package demo;

import javax.persistence.MappedSuperclass;

import org.springframework.data.jpa.domain.AbstractPersistable;

@MappedSuperclass
public abstract class AbstractEntityBase extends AbstractPersistable<Long> {

	private static final long serialVersionUID = 1L;
}

Application.java

package demo;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;

@Configuration
@ComponentScan
@EnableAutoConfiguration
public class Application {

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}

ApplicationTests.java

package demo;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.SpringApplicationConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(classes = Application.class)
public class ApplicationTests {

	@Autowired CharacterRepository repository;

	@Test
	public void trySaveAbstractPersistableCharacter() {

		Character c = new Character();
		c.setName("name");
		repository.save(c);

	}

}

Character.java

package demo;

import javax.persistence.Entity;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;

@Entity
@Table(name = "characters")
public class Character extends AbstractEntityBase {

	private static final long serialVersionUID = 1L;

	String name;

	@NotNull
	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}
}

CharacterRepository.java

package demo;

import org.springframework.data.repository.CrudRepository;

public interface CharacterRepository extends CrudRepository<Character, String> {}

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>org.test</groupId>
	<artifactId>spring-data-jpa-DATAJPA-622</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>spring-data-jpa-DATAJPA-622</name>
	<description>Demo project for Spring Boot</description>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.1.8.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-jpa</artifactId>
		</dependency>
		
		<dependency>
			<groupId>org.springframework.data</groupId>
			<artifactId>spring-data-jpa</artifactId>
			<version>1.8.0.DATAJPA-622-SNAPSHOT</version>
		</dependency>
		
		
		
		<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-validator</artifactId>
		</dependency>
		
		<dependency>
			<groupId>org.glassfish</groupId>
			<artifactId>javax.el</artifactId>
			<version>3.0.1-b05</version>
		</dependency>
		
		<dependency>
			<groupId>org.hsqldb</groupId>
			<artifactId>hsqldb</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<start-class>demo.Application</start-class>
		<java.version>1.8</java.version>
	</properties>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>

	<repositories>
		<repository>
			<id>spring-snapshots</id>
			<name>Spring Snapshots</name>
			<url>http://repo.spring.io/snapshot</url>
			<snapshots>
				<enabled>true</enabled>
			</snapshots>
		</repository>
		<repository>
			<id>spring-milestones</id>
			<name>Spring Milestones</name>
			<url>http://repo.spring.io/milestone</url>
			<snapshots>
				<enabled>false</enabled>
			</snapshots>
		</repository>
	</repositories>
	<pluginRepositories>
		<pluginRepository>
			<id>spring-snapshots</id>
			<name>Spring Snapshots</name>
			<url>http://repo.spring.io/snapshot</url>
			<snapshots>
				<enabled>true</enabled>
			</snapshots>
		</pluginRepository>
		<pluginRepository>
			<id>spring-milestones</id>
			<name>Spring Milestones</name>
			<url>http://repo.spring.io/milestone</url>
			<snapshots>
				<enabled>false</enabled>
			</snapshots>
		</pluginRepository>
	</pluginRepositories>


</project>