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28.4.2. Boostrapping JPA in Seam
Install the following built-in component to have Seam bootstrap a JPA
EntityManagerFactory from your persistence.xml file:
<persistence:entity-manager-factory name="entityManagerFactory"/>
<persistence:entity-manager-factory name="entityManagerFactory"/>
To make a Seam-managed JPA
EntityManager available via injection, configure a managed persistence context as follows:
<persistence:managed-persistence-context name="entityManager"
entity-manager-factory="#{entityManagerFactory}"/>
<persistence:managed-persistence-context name="entityManager"
entity-manager-factory="#{entityManagerFactory}"/>