Hello, Just wanted to check if you've had any chance to look at this Pinak.
/Bengt 2011/9/8 Bengt Rodehav <[email protected]> > Hello again, > > I'm not familiar with the class resolver plugin but I did the following: > > - I created a resolver (code is at the end of the mail) > - I configured my persistence.xml to use that resolver (persistence.xml at > the end of the mail) > > The above does not throw any exceptions on startup. On the other hand, I'm > not sure whether it's used. I added a System.out logging in > the getClassLoader() method but the output never shows up in runtime but it > does seem to show up during build time when I run the PCEnhancer ant task. > > I then tried to move my resolver into a package that I do not export (in > OSGi). I thought that even if the getClassLoader() method wasn't called, > OpenJPA might still want to find the class and then fail. But I still get no > errors regarding the class resolver in runtime (under OSGi). Note that at > this point I'm not really using OpenJPA in the container, I'm just loading > and initalising it. > > Not sure if this proves your point Pinaki - you be the judge. > > /Bengt > > *MyClassResolver.java* > >> *package se.digia.maia.resolver; >> import org.apache.openjpa.util.ClassResolver; >> public class MyClassResolver implements ClassResolver { >> @Override >> public ClassLoader getClassLoader(Class<?> theArg0, ClassLoader theArg1) >> { >> System.out.println("***Calling MyClassResolver***"); >> return null; >> } >> }* > > > *persistence.xml* > >> *<?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"; >> 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="maiaPU" transaction-type="JTA"> >> >> <provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider> >> <jta-data-source>osgi:service/javax.sql.DataSource/( >> osgi.jndi.service.name=jdbc/maiajta)</jta-data-source> >> <class>se.digia.maia.common.persistence.EntityBase</class> >> <class>se.digia.maia.common.security.domain.User</class> >> <class>se.digia.maia.common.auditlog.domain.AuditLogEntry</class> >> <class>se.digia.maia.core.bu.domain.BusinessUnit</class> >> <exclude-unlisted-classes>true</exclude-unlisted-classes> >> <validation-mode>NONE</validation-mode> >> <properties> >> <property name="openjpa.ClassResolver" >> value="se.digia.maia.resolver.MyClassResolver" /> >> <property name="openjpa.ConnectionFactoryMode" value="managed" /> >> <property name="openjpa.jdbc.SynchronizeMappings" >> value="buildSchema(ForeignKeys=true)" /> >> <property name="openjpa.jdbc.DBDictionary" >> value="org.apache.openjpa.jdbc.sql.MySQLDictionary" /> >> <property name="openjpa.jdbc.UpdateManager" value="operation-order" >> /> >> <property name="openjpa.Log" value="DefaultLevel=WARN, Tool=INFO" /> >> <!-- <property name="openjpa.Auditor" >> value="se.digia.maia.common.auditlog.impl.MaiaAuditor" />--> >> <!-- <property name="openjpa.InitializeEagerly" value="true" />--> >> <!--property name="openjpa.Auditor" value="default"/--> >> </properties> >> </persistence-unit> >> </persistence>* > > > > > 2011/9/7 Pinaki Poddar <[email protected]> > >> The auditor is plugged-in in an unusual way than other plug-ins. So that >> might be causing this failure. But please do the following: >> 1. Configure any other OpenJPA plugin that takes a fully-qualified class >> name as property value e.g. [1] >> 2. Supply a org.acme.Foo class for it and package exactly the way you have >> packaged the Auditor implementation class. >> 3. Verify if the plugged-in class is loaded >> >> We will know whether it is a generic failure with loading plug-in in OSGi >> environment or specific to Auditor. >> >> [1] >> >> http://openjpa.apache.org/builds/latest/docs/manual/manual.html#openjpa.ClassResolver >> >> ----- >> Pinaki Poddar >> Chair, Apache OpenJPA Project >> -- >> View this message in context: >> http://openjpa.208410.n2.nabble.com/Auditor-and-OSGi-tp6759170p6769605.html >> Sent from the OpenJPA Users mailing list archive at Nabble.com. >> > >
