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Posted to users@openjpa.apache.org by Henning Storhaug <he...@yahoo.no> on 2008/10/20 14:05:04 UTC
Re: Standalone JPA startup problem / BUG?
Problem solved; other required libs in my project included gnujaxp.jar..
Henning Storhaug skrev:
> I'm trying to run JPA standalone , but got stuck with exception on
> call to: "EntityManagerFactory factory =
> Persistence.createEntityManagerFactory("blabla");"
> The exception reason is the call to
> "parser.setProperty("http://java.sun.com/xml/jaxp/properties/schemaLanguage",
> "http://www.w3.org/2001/XMLSchema");" somewhere in XMLMetaDataParser.
>
> OpenJPA seem to use an odd JAXP implementation;
> "gnu.xml.aelfred2.JAXPFactory.JaxpParser". Is this causing the problem?
>
>
> Stacktrace:
> Exception in thread "main" javax.persistence.PersistenceException:
> Provider error. Provider:
> org.apache.openjpa.persistence.PersistenceProviderImpl
> at javax.persistence.Persistence.createFactory(Persistence.java:175)
> at
> javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:111)
>
> at samplingcollector.client.JPATest.main(JPATest.java:55)
> Caused by: <openjpa-1.2.0-r422266:683325 nonfatal general error>
> org.apache.openjpa.util.GeneralException:
> org.xml.sax.SAXNotRecognizedException:
> http://java.sun.com/xml/jaxp/properties/schemaLanguage
> at
> org.apache.openjpa.lib.meta.XMLMetaDataParser.parseNewResource(XMLMetaDataParser.java:379)
>
> at
> org.apache.openjpa.lib.meta.XMLMetaDataParser.parse(XMLMetaDataParser.java:318)
>
> at
> org.apache.openjpa.lib.meta.XMLMetaDataParser.parse(XMLMetaDataParser.java:295)
>
> at
> org.apache.openjpa.lib.meta.XMLMetaDataParser.parse(XMLMetaDataParser.java:268)
>
> at
> org.apache.openjpa.persistence.PersistenceProductDerivation$ConfigurationParser.parse(PersistenceProductDerivation.java:509)
>
> at
> org.apache.openjpa.persistence.PersistenceProductDerivation.parseResources(PersistenceProductDerivation.java:359)
>
> at
> org.apache.openjpa.persistence.PersistenceProductDerivation.load(PersistenceProductDerivation.java:326)
>
> at
> org.apache.openjpa.persistence.PersistenceProductDerivation.load(PersistenceProductDerivation.java:161)
>
> at
> org.apache.openjpa.persistence.PersistenceProviderImpl.createEntityManagerFactory(PersistenceProviderImpl.java:77)
>
> at
> org.apache.openjpa.persistence.PersistenceProviderImpl.createEntityManagerFactory(PersistenceProviderImpl.java:109)
>
> at
> org.apache.openjpa.persistence.PersistenceProviderImpl.createEntityManagerFactory(PersistenceProviderImpl.java:53)
>
> at javax.persistence.Persistence.createFactory(Persistence.java:171)
> ... 2 more
>
> --------------
>
> My configuration is windows xp, eclipse 3.4.1, JDK 1.6.0_10. OpenJPA
> 1.2.0
> And my persistence.xml follows
>
> <?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="blabla" transaction-type="RESOURCE_LOCAL">
> <!--
> The default provider can be OpenJPA, or some other product.
> This element is optional if OpenJPA is the only JPA provider
> in the current classloading environment, but can be specified
> in cases where there are multiple JPA implementations
> available.
> -->
>
> <provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider>
>
>
> <!-- We must enumerate each entity in the persistence unit -->
> <class>MyClass</class>
>
> <properties>
> <!--
> We can configure the default OpenJPA properties here. They
> happen to be commented out here since the provided
> examples
> all specify the values via System properties.
> -->
> <property name="openjpa.ConnectionURL"
> value="jdbc:derby:openjpa-database;create=true"/>
> <property name="openjpa.ConnectionDriverName"
> value="org.apache.derby.jdbc.EmbeddedDriver"/>
> <property name="openjpa.ConnectionUserName"
> value="user"/>
> <property name="openjpa.ConnectionPassword"
> value="secret"/>
> </properties>
> </persistence-unit>
> </persistence>
>
>
>