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From Kevin Sutter <kwsut...@gmail.com>
Subject Re: openjpa, maven and persistence.xml. help me please
Date Tue, 19 Feb 2013 16:17:10 GMT
definitely sounds like a maven pom.xml configuration issue...  Something
isn't getting passed from the parent to the sub-modules that is required
for this compile/enhance step... Good luck.

Kevin

On Tue, Feb 19, 2013 at 3:49 AM, Aitor Iturriondobeitia <
laudio.info@gmail.com> wrote:

> thanks
> i have more information about this.
> i think that is not jpa problem. My poersistencefile is into the META-INF.
> I think tha is maven problem.
> when i intall (compile) my applicaion without the parent it runs ok but
> when i intall from the parent it does't run
> what do you think about this? do you occur anythig?
> thanks
>
>
> 2013/2/18 Kevin Sutter <kwsutter@gmail.com>
>
> > Welcome to the OpenJPA project!  Depending on your environment, getting
> the
> > Enhancement processing to find your persistence.xml can be tricky
> > sometimes.  I'm assuming you have looked at the available documentation
> for
> > getting this setup properly [1].  The key is probably in the error
> message
> > you received:
> >
> > "..Ensure that you have a
> > META-INF/persistence.xml file, that it is available in your classpath, or
> > that the properties file you are using for configuration is available."
> >
> > The contents of your persistence.xml looks fine, so the issue is probably
> > with just finding your persistence.xml.  You have to ensure that this is
> > available via your classpath that is used for your enhancement
> processing.
> > With maven, it's sometimes useful to run with the -X option to see how
> your
> > properties, environment variables, and classpaths are getting setup.
> >
> > Another idea that is simple is to use the javaagent approach for getting
> > the enhancement processing done.  This is especially useful for test
> > purposes, but can also be used for jse production usage.
> >
> > Sorry that we don't have a definitive answer for you.  It looks like some
> > experimentation and understanding of your specific environment will be
> > required to get the enhancement done.  Good luck!  Please post back with
> > either success or continued issues.  Thanks.
> >
> > This has nothing to do with your enhancement processing, but I would
> > suggest adding another property to your persistence.xml which will help
> > with foreign key processing:
> > <property name="openjpa.jdbc.SynchronizeMappings"
> > value="buildSchema(ForeignKeys=true)"/>
> >
> > Kevin
> >
> >
> > [1]  http://openjpa.apache.org/entity-enhancement.html
> >
> > On Mon, Feb 18, 2013 at 10:37 AM, laudio.info <laudio.info@gmail.com>
> > wrote:
> >
> > > Hello
> > > i am trying to make my fisrt openjpa project.
> > > i am using maven.
> > > i have create the persistence.xml file (bellow) but when i try to
> compile
> > > my projects appears one error:
> > > [INFO] [openjpa:test-enhance {execution: enhancer}]
> > > [INFO]
> > >
> ------------------------------------------------------------------------
> > > [ERROR] FATAL ERROR
> > > [INFO]
> > >
> ------------------------------------------------------------------------
> > > [INFO] MetaDataFactory could not be configured
> > > (conf.newMetaDataFactoryInstance() returned null). This might mean that
> > no
> > > configuration properties were found. Ensure that you have a
> > > META-INF/persistence.xml file, that it is available in your classpath,
> or
> > > that the properties file you are using for configuration is available.
> If
> > > you are using Ant, please see the <properties> or <propertiesFile>
> > > attributes of the task's nested <config> element. This can also occur
> if
> > > your OpenJPA distribution jars are corrupt, or if your security policy
> is
> > > overly strict.
> > > [INFO]
> > >
> ------------------------------------------------------------------------
> > > [INFO] Trace
> > > <openjpa-2.1.1-r422266:1148538 fatal user error>
> > > org.apache.openjpa.util.MetaDataException: MetaDataFactory could not be
> > > configured (conf.newMetaDataFactoryInstance() returned null). This
> might
> > > mean that no configuration properties were found. Ensure that you have
> a
> > > META-INF/persistence.xml file, that it is available in your classpath,
> or
> > > that the properties file you are using for configuration is available.
> If
> > > you are using Ant, please see the <properties> or <propertiesFile>
> > > attributes of the task's nested <config> element. This can also occur
> if
> > > your OpenJPA distribution jars are corrupt, or if your security policy
> is
> > > overly strict.
> > >  at
> > >
> > >
> >
> org.apache.openjpa.meta.MetaDataRepository.initializeMetaDataFactory(MetaDataRepository.java:1904)
> > >  at
> > >
> > >
> >
> org.apache.openjpa.meta.MetaDataRepository.endConfiguration(MetaDataRepository.java:1885)
> > >  at
> > >
> > >
> >
> org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:518)
> > >  at
> > >
> > >
> >
> org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:443)
> > >
> > > My persistence.xml file is into the META-INF directory and has this:
> > > <?xml version="1.0" encoding="UTF-8"?>
> > > <persistence xmlns="http://java.sun.com/xml/ns/persistence"
> > version="2.0">
> > >   <persistence-unit name="example" transaction-type="RESOURCE_LOCAL">
> > >
> > >
> >
> <provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider>
> > >     <class>com.caf.db.jpa.entities.Myrequest</class>
> > >     <class>com.caf.db.jpa.entities.Myresponse</class>
> > >     <properties>
> > >      <property name="openjpa.jdbc.SynchronizeMappings"
> > value="buildSchema"
> > > />
> > >   <property name="openjpa.ConnectionDriverName"
> > > value="org.apache.derby.jdbc.EmbeddedDriver" />
> > >   <property name="openjpa.ConnectionURL"
> > > value="jdbc:derby:C:\Curro\My\prototipoWorkspace\MyDB\MyDB" />
> > >   <property name="openjpa.ConnectionUserName" value="" />
> > >   <property name="openjpa.ConnectionPassword" value="" />
> > >     </properties>
> > >   </persistence-unit>
> > > </persistence>
> > >
> > > thanks
> > >
> >
>

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