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 < [email protected]> 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 <[email protected]> > > > 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 <[email protected]> > > 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 > > > > > >
