Hi,
I am creating a stand alone java program with OpenJPA. I have placed my
persistence.xml in bin\META-INF\. But when I do
Persistence.createEntityManagerFactory, it is returning null. When I used
the same folder structure with Toplink JPA, it is working fine.

The method is just returning null and there is no exception which can
indicate the possible reasons. Please tell me what can be the possible
reasons for the Persistence.createEntityManagerFactory("persistence-unit
name") method to return null.

Regards,
KK

My persistence.xml is as given below:

<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.0">
 <persistence-unit name="ibm" transaction-type="RESOURCE_LOCAL">
   <provider>
     org.apache.openjpa.persistence.PersistenceProviderImpl
   </provider>
   <mapping-file>mapping/orm.xml</mapping-file>
   <class>com.entity.Customer</class>
   <class>com.entity.Organization</class>
   <class>com.BillingAddress</class>
   <properties>
     <property name="openjpa.Log"
       value="DefaultLevel=WARN, Tool=INFO" />
     <property name="openjpa.ConnectionURL"
       value="jdbc:mysql://localhost:3306/wdp_jpa" />
     <property name="openjpa.ConnectionUserName" value="root" />
     <property name="openjpa.ConnectionDriverName"
       value="com.mysql.jdbc.Driver" />
     <property name="openjpa.ConnectionPassword" value="admin" />
     <property name="openjpa.jdbc.SynchronizeMappings"
       value="buildSchema(SchemaAction=add,deleteTableContents)" />
   </properties>

 </persistence-unit>
</persistence>

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