[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-1946) seam 2.0's persistence:managed-persistence-context not support openjpa

[clf clf (JIRA)]

seam 2.0's persistence:managed-persistence-context not support openjpa
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                 Key: JBSEAM-1946
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1946
             Project: JBoss Seam
          Issue Type: Bug
          Components: Core
         Environment: tomacat 6+ myfaces 1.2.0 + seam 2.0 ga+  spring 2.0.6 + openjpa 0.9.7
            Reporter: clf clf


I try to test the Seam's compatibility with openjpa.
The web project is tomacat + myfaces + seam +  spring jpa + openjpa.
I define entityManagerFactory in the application.xml
[code]
<!-- JPA EntityManagerFactory -->
	<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
		<property name="dataSource" ref="dataSource"/>
		<property name="loadTimeWeaver">
			<bean class="org.springframework.instrument.classloading.ReflectiveLoadTimeWeaver"/>
	  </property>
		<property name="jpaVendorAdapter">
			<!--
			<bean class="org.springframework.orm.jpa.vendor.TopLinkJpaVendorAdapter">
				<property name="databasePlatform"
						value="org.springframework.samples.petclinic.toplink.EssentialsHSQLPlatformWithNativeSequence"/>
				<property name="showSql" value="true"/>
			</bean>
			-->
			<!--
			<bean id="jpaAdapter" class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
				<property name="database" value="HSQL"/>
				<property name="showSql" value="true"/>
			</bean>
			-->
			<bean id="jpaAdapter" class="org.springframework.orm.jpa.vendor.OpenJpaVendorAdapter">
				<property name="database" value="HSQL"/>
				<property name="showSql" value="true"/>
			</bean>
		</property>
	</bean>
[/code]
And Define managed-persistence-context in component.xml
[code]
<persistence:managed-persistence-context name="courseEntityManager"
											entity-manager-factory="#{entityManagerFactory}"
											auto-create="true" />
[/code]
The Web Project reports Error
[code]
2007-09-21 09:21:09,981 ERROR [org.jboss.seam.jsf.SeamPhaseListener] - <uncaught exception>
java.lang.RuntimeException: could not proxy delegate
	at org.jboss.seam.persistence.HibernatePersistenceProvider.proxyDelegate(HibernatePersistenceProvider.java:102)
Caused by: java.lang.ClassCastException: org.apache.openjpa.persistence.EntityManagerImpl
	at org.jboss.seam.persistence.HibernatePersistenceProvider.proxyDelegate(HibernatePersistenceProvider.java:98)
[/code]

I also test seam with toplink and hibernate,and find  toplink fail,hibernate success
It seems to me that seam's persistence:managed-persistence-context only supports hibernate as entity-manager-factory
and not supports other jpa implementation.

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