[jboss-jira] [JBoss JIRA] Commented: (JBAS-8036) create EntityManager error

[Dave Chen (JIRA)]

    [ https://jira.jboss.org/browse/JBAS-8036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12531585#action_12531585 ] 

Dave Chen commented on JBAS-8036:
---------------------------------

The other forum thread:  https://community.jboss.org/message/356284#356284

> create EntityManager error
> --------------------------
>
>                 Key: JBAS-8036
>                 URL: https://jira.jboss.org/browse/JBAS-8036
>             Project: JBoss Application Server
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>         Environment: JBoss 5.1.0 GA
>            Reporter: Dave Chen
>
> create a new persistence unit programmatically and map it to a new datasource without redeploy or server restart. 
> We tried the following in a stateless session bean:
> Map configOverrides = new HashMap();
> EntityManagerFacotry emf = Persistence.createEntityManagerFactory("unit1", configOverrides);
> But got exception:
> javax.persistence.PersistenceException: [PersistenceUnit: unit1] Unable to build EntityManagerFactory
> <persistence-unit name="unit1">
>  <jta-data-source>java:/dataSource1</jta-data-source>
>  
>  <properties>
>  <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
>  <property name="hibernate.hbm2ddl.auto" value="update"/>
>  <property name="hibernate.show_sql" value="false"/>
>  </properties>
>  </persistence-unit>
> 08:17:58,204 ERROR [STDERR] javax.persistence.PersistenceException: [PersistenceUnit: defaultDataSource] Unable to build EntityManagerFactory
> 08:17:58,205 ERROR [STDERR] at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:677)
> 08:17:58,205 ERROR [STDERR] at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:126)
> 08:17:58,205 ERROR [STDERR] at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:52)

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