LocalContainerEntityManagerFactoryBean cannot be converted to EntityManagerFactory

Question

I don't understand, what is happening at all!

Suddenly, simple things stopped to work!

Now ehen I am trying to define something like here http://docs.spring.io/spring-data/jpa/docs/1.10.6.RELEASE/reference/html/#jpa.java-config

I get the following compile error

incompatible types: org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean cannot be converted to javax.persistence.EntityManagerFactory

And this is correct, since LocalContainerEntityManagerFactoryBean does not implement EntityManagerFactory , which is required by JpaTransactionManager#setEntityManagerFactory() method.

How it cn be, that official example contains absolutely incorrect snippet? How it can be, that this snippet was compiling for me for some time?

What I broke?

UPDATE

I was able to rewrite

txManager.setEntityManagerFactory(entityManagerFactory());

to

txManager.setEntityManagerFactory(entityManagerFactory().getObject());

So it is an error in the doc?

Answer 1

Yes, the documentation is wrong

Use this code to inject entity manager factory into txManager

@Bean @Autowired public PlatformTransactionManager transactionManager(EntityManagerFactory factory) {
    JpaTransactionManager txManager = new JpaTransactionManager();
    txManager.setEntityManagerFactory(factory);
    return txManager;
}

Answer 2

txManager.setEntityManagerFactory(entityManagerFactory());

is not suppose to work you either have to do this

txManager.setEntityManagerFactory(entityManagerFactory().getObject());

or

txManager.setEntityManagerFactory(entityManagerFactory().getNativeEntityManagerFactory()

so honestly I don't know why it previously worked.

I guess it is a mistake since I tried that way as described in the official doc and It didn't work