Hibernate ORM with PostgresSql with Karaf 4.1.0

[Jack <ss...@gmail.com>]

I used Hibernate ORM  with PostgresSql. 

And below is the persistence.xml for Hibernate ORM with PostgresSql. 

<?xml version="1.0" encoding="UTF-8"?> 
<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">
    
    <persistence-unit name="store" transaction-type="JTA">
        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
       
<jta-data-source>osgi:service/javax.sql.DataSource/(osgi.jndi.service.name=store)</jta-data-source>
        <class>com.data.vo.Store</class>

        <properties>
            <property name="hibernate.dialect"
value="org.hibernate.dialect.PostgreSQLDialect"/>
            <property name="hibernate.hbm2ddl.auto" value="update"/>
            <property name="hibernate.connection.url"
value="jdbc:postgresql://localhost:5432/RMA" />
                        <property name="hibernate.connection.driver_class"
value="org.postgresql.Driver" />
                        <property name="hibernate.connection.username"
value="postgres" />
                        <property name="hibernate.connection.password"
value="admin" />
        </properties>
    </persistence-unit>

</persistence>

I have fine the persistence.xml in the MANIFEST using the following
configuration statement to the maven-bundle-plugin: 

<Meta-Persistence>META-INF/persistence.xml</Meta-Persistence>  

I have placed my persistence.xml file in location 
src/main/resources/META-INF/persistence.xml. 

When I try to get the persistence object using
Persistence.createEntityManagerFactory, I get the below exception 
Exception in thread "main" javax.persistence.PersistenceException: No
Persistence provider for 
EntityManager named store 


I tried below options also. 

1) Tried changing to  MYSQL/PostgresSQL drivers for connecting to the DB 
2) Made configuration changes in eclipse to remove the resource folder's
excluded list from *.* to None. 
3) Tried with Eclipselink  also 
4) Tried setting the ContextClassLoader to a classloader that can see the
persistence provider as well as the database drivers. 


But none of the above option solved by issue. I need some help on this. 





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