org.apache.openjpa.persistence.ArgumentException: A JDBC Driver or DataSource 
class name must be specified in the ConnectionDriverName property
-----------------------------------------------------------------------------------------------------------------------------------------------

                 Key: OPENJPA-1495
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1495
             Project: OpenJPA
          Issue Type: Bug
          Components: jpa
         Environment: org.apache.openjpa.persistence.ArgumentException: A JDBC 
Driver or DataSource class name must be specified in the ConnectionDriverName 
property.
            Reporter: Rajeev Chaudhary


I am using openjpa-1.2.2.jar and I am getting following error

<openjpa-1.1.0-r422266:657916 fatal user error> 
org.apache.openjpa.persistence.ArgumentException: A JDBC Driver or DataSource 
class name must be specified in the ConnectionDriverName property.
        at 
org.apache.openjpa.jdbc.schema.DataSourceFactory.newDataSource(DataSourceFactory.java:72)
        at 
org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.createConnectionFactory(JDBCConfigurationImpl.java:776)
        at 
org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:553)
        at 
org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1250)
        at 
org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:505)
        at 
org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:430)
        at 
org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:103)
        at 
org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
        at 
org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
        at 
org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:843)
        at 
org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:834)
        at 
org.apache.openjpa.kernel.AbstractBrokerFactory.makeReadOnly(AbstractBrokerFactory.java:638)
        at 
org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:183)
        at 
org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
        at 
org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:192)
        at 
org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:145)
        at 
org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:56)
        at org.wadsworth.bean.CheckMe.getData(CheckMe.java:22)
        at 
org.wadsworth.eclep.servlet.FrontContoller.doGet(FrontContoller.java:32)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at 
weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
        at 
weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
        at 
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
        at 
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
        at 
weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3498)
        at 
weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
        at weblogic.security.service.SecurityManager.runAs(Unknown Source)
        at 
weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2180)
        at 
weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2086)
        at 
weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
        at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
        at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)


********************persistence.xml contents 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="hellojpa" transaction-type="RESOURCE_LOCAL">
        
<provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider>
        <class>org.wadsworth.bean.CheckFac</class>
        <properties>
            <property name="openjpa.ConnectionURL" 
value="jdbc:oracle:thin:@lyra:1521:wcdev01"/>
            <property name="openjpa.ConnectionDriverName" 
value="oracle.jdbc.OracleDriver"/>
            <property name="openjpa.ConnectionUserName" value="clep"/>
            <property name="openjpa.ConnectionPassword" value="clep"/>
            <property name="openjpa.jdbc.Schema" value="CLEP"/>
        </properties>
    </persistence-unit>
</persistence>
***********************
Please suggest what to do.

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