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Re: [eclipselink-users] Felix Karaf / No Persistence provider exception
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Are you trying to use JPA in a truely OSGi manner? (or are you hacking it so all
the resources necessary are available on a single classloader)
The standard for using JPA on OSGi is very new. Our latest release allows you
to use it in conjunction with the Eclipse Gemini project which is the reference
implementation for the Java EE standard for OSGi. (http://www.eclipse.org/gemini/)
We also have an EclipseLink-specific implementation that was used as our OSGi
implementation prior to the specification. There is an example here:
http://fisheye2.atlassian.com/browse/eclipselink/trunk/examples/org.eclipse.persistence.example.jpa.rcp.comics/ReadMe.txt?r=HEAD
I am not certain how the Hibernate implementation works, but I suspect that JPA
implementers will gradually move the the standard - which should make
applications more portable.
-Tom
Jean-Philippe Clement wrote:
Karaf is a standalone OSGi 4.2 implementation. I use Karaf v1.6.0
(http://felix.apache.org/site/apache-felix-karaf.html)
Quoting Tim Hollosy <hollosyt@xxxxxxxxx>:
What environment? Is it an OSGI thick client? Web App? What framework?
./tch
On Wed, Aug 4, 2010 at 9:20 AM, Jean-Philippe Clement
<jeanphilippe.clement@xxxxxxxxxx> wrote:
Hello, I'm currently using Hibernate and I would like to migrate to
EclipseLink.
I made a quick test which leads to the exception
PersistenceException: No
Persistence provider for EntityManager named JPATest.
Here are installed bundles:
[ 37] [Active ] [ ] [ 60] EclipseLink ANTLR
(2.1.0.v20100614-r7608)
[ 38] [Active ] [ ] [ 60] EclipseLink ASM
(2.1.0.v20100614-r7608)
[ 39] [Active ] [ ] [ 60] EclipseLink Core
(2.1.0.v20100614-r7608)
[ 40] [Resolved ] [ ] [ 60] JPA Test (1.0.0)
[ 41] [Installed ] [ ] [ 60] EclipseLink OSGi Deployment
Fragment (deprectated, non Gemini) (2.1.0.v20100614-r7608)
[ 42] [Active ] [ ] [ 60] JTA (1.1.0.v201002051055)
[ 43] [Active ] [ ] [ 56] EclipseLink JPA
(2.1.0.v20100614-r7608)
[ 44] [Active ] [ ] [ 54] Java Persistence API 2.0
(2.0.1.v201006031150)
Test bundle stucture:
+ com
+ ...
+ lib
ojdbc14.jar
+ META-INF
MANIFEST.MF
persistence.xml
+ OSGI-INF
+ blueprint
jpa-test.xml
MANIFEST.MF:
Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-SymbolicName: com.xxx.test
Bundle-Version: 1.0.0
Bundle-Name: JPA Test
Bundle-Description: Testing
Bundle-Vendor: XXX
JPA-PersistenceUnits: JPATest
DynamicImport-Package: *
Import-Package: org.osgi.framework
Bundle-ClassPath: .,lib/ojdbc14.jar
persistence.xml:
<persistence 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";
version="2.0">
<persistence-unit name="JPATest">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<class>com.xxx.JPAData</class>
<class>com.xxx.JPAOwner</class>
<properties>
<property name="javax.persistence.jdbc.driver"
value="oracle.jdbc.OracleDriver" />
<property name="javax.persistence.jdbc.url"
value="jdbc:oracle:thin:@192.1.1.1:1521:stuff" />
<property name="javax.persistence.jdbc.user"
value="user" />
<property name="javax.persistence.jdbc.password"
value="password" />
<property name="eclipselink.logging.level"
value="FINEST" />
<property name="eclipselink.target-database"
value="Oracle10g" />
</properties>
</persistence-unit>
</persistence>
I have no clue what the problem is!
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