[forge-issues] [JBoss JIRA] (FORGE-1686) Not setting up a provider in JPA doesn't add properties in persistence.xml

[George Gastaldi (JIRA)]

    [ https://issues.jboss.org/browse/FORGE-1686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12954262#comment-12954262 ] 

George Gastaldi commented on FORGE-1686:
----------------------------------------

I'm fine with that. 
                
> Not setting up a provider in JPA doesn't add properties in persistence.xml
> --------------------------------------------------------------------------
>
>                 Key: FORGE-1686
>                 URL: https://issues.jboss.org/browse/FORGE-1686
>             Project: Forge
>          Issue Type: Bug
>          Components: Java EE
>    Affects Versions: 2.2.0.Final
>            Reporter: Antonio Goncalves
>            Priority: Critical
>             Fix For: 2.x Future
>
>
> If you create a project with a few entities and then scaffold a JSF front end without setting up jpa (command {{jpa-setup}}), the generated {{persistence.xml}} looks like this :
> {code}
> <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
> <persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.0" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
> <persistence-unit name="test-persistence-unit" transaction-type="JTA">
>   <description>Forge Persistence Unit</description>
>     <jta-data-source>java:jboss/datasources/ExampleDS</jta-data-source>
>     <exclude-unlisted-classes>false</exclude-unlisted-classes>
>   </persistence-unit>
> </persistence>
> {code}
> In the {{pom.xml}}, the Hibernate dependency has been added, so it's like Hibernate is the default.... but not Hibernate properties... so, unfortunattelly, the webapp doesn't work. Once deployed on JBoss it cannot create the tables... because there are some properties missing. If you run {{jpa-setup --provider Hibernate}}, then you have what you need :
> {code}
> <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
> <persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.0" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
>   <persistence-unit name="test-persistence-unit" transaction-type="JTA">
>     <description>Forge Persistence Unit</description>
>     <provider>org.hibernate.ejb.HibernatePersistence</provider>
>     <jta-data-source>java:jboss/datasources/ExampleDS</jta-data-source>
>     <exclude-unlisted-classes>false</exclude-unlisted-classes>
>     <properties>
>       <property name="hibernate.hbm2ddl.auto" value="create-drop"/>
>       <property name="hibernate.show_sql" value="true"/>
>       <property name="hibernate.format_sql" value="true"/>
>       <property name="hibernate.transaction.flush_before_completion" value="true"/>
>       <property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect"/>
>     </properties>
>   </persistence-unit>
> </persistence>
> {code}
> On one hand, Hibernate has been added to the pom, and on the other hand it hasn't beed added in the persistence.xml... So, by default, not executing {{jpa-setup}} should be equivalent as executing {{jpa-setup --provider Hibernate}}

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