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POCan Spring Security 3.1 use EclipseLink persistence unit?
 

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  1. POCan Spring Security 3.1 use EclipseLink persistence unit?
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    <p>I'm using Spring Security 3.1 with Spring 3.2 and with EclipseLink JPA. I'm configuring Spring Security to use users and groups from a MySQL database. All the Spring documentation and tutorials says to use </p> <pre><code>&lt;authentication-provider&gt; &lt;jdbc-user-service data-source-ref="dataSource" /&gt; &lt;/authentication-provider&gt; &lt;bean id = "dataSource" class = "org.springframework.jdbc.datasource.DriverManagerDataSource"&gt; &lt;property name = "driverClassName" value = "com.mysql.jdbc.Driver"/&gt; &lt;property name = "url" value = "jdbc:mysql://localhost:3306/webcosts"/&gt; &lt;property name = "username" value = "root"/&gt; &lt;property name = "password" value = "root"/&gt; &lt;/bean&gt; </code></pre> <p>However I've already defined my data source in persistence.xml similar to below</p> <pre><code>&lt;persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"&gt; &lt;persistence-unit name="MyPersistenceUnit"&gt; &lt;provider&gt;org.eclipse.persistence.jpa.PersistenceProvider&lt;/provider&gt; &lt;properties&gt; &lt;property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" /&gt; </code></pre> <p>etc</p> <p>Is there any way to have the jdbc-user-service reference the persistence-unit directly or perhaps via an adapter, or do I need to enter my database information twice and have two sets of database connections?</p> <p>I've done a google search, and I've read the Spring documentation, but I can't find much. Spring documentation seems to be written by experts, for experts, it's not entirely intuitive for beginners to the framework!</p>
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    1. COpossible duplicate of http://stackoverflow.com/questions/4489703/how-to-use-spring-security-with-jpa
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