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https://issues.apache.org/jira/browse/OPENJPA-2393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13677529#comment-13677529
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Chris Wolf commented on OPENJPA-2393:
-------------------------------------
The technique of getting a java.sql.Connection from an EntityManager, as
described here:
http://openjpa.apache.org/builds/2.2.1/apache-openjpa/docs/manual.html#ref_guide_dbsetup_conn_jpa
..works, however, you have to keep the EntityManagerFactory instance in-scope
and open for the duration of using the Connection, whereas with using the
EntityManagerFactory's DataSource, as described in the description of this
ticket - you can close the EMF right after getting the connection.
> Can only get java.sql.Connection from EMF's DataSource in container-managed
> env.
> --------------------------------------------------------------------------------
>
> Key: OPENJPA-2393
> URL: https://issues.apache.org/jira/browse/OPENJPA-2393
> Project: OpenJPA
> Issue Type: Bug
> Components: jpa
> Affects Versions: 2.2.1
> Environment: Windows-7/64bit, Oracle/Sun JRE-1.6.x, JBoss-6.1.0 and
> standalone app (JSE)
> Reporter: Chris Wolf
> Priority: Minor
> Labels: OpenJPAConfiguration
>
> The documentation describes how to obtain a plain java.sql.Connection from
> the EntityManagerFactory, but it only works in a managed container
> environment (JEE). The page I'm referring to is here:
> http://openjpa.apache.org/builds/2.2.1/apache-openjpa/docs/manual.html#ref_guide_dbsetup_conn_from_factory_jpa
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