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From "Roman Zulauf (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-1688) PersistenceMetaDataFactory does not recorgnize http://java.sun.com/xml/ns/persistence Namespace and throws Exception
Date Wed, 09 Jun 2010 10:24:13 GMT
PersistenceMetaDataFactory does not recorgnize http://java.sun.com/xml/ns/persistence Namespace
and throws Exception
--------------------------------------------------------------------------------------------------------------------

                 Key: OPENJPA-1688
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1688
             Project: OpenJPA
          Issue Type: Bug
    Affects Versions: 2.0.0
            Reporter: Roman Zulauf


I have a Java project with a persistence.xml and an orm.xml in the META-INF folder. Both persistence.xml
and orm.xml files contain JPA Persistence Meta-Data. OpenJPA can correctly parse my persistence.xml
but it needs network access to parse the orm.xml because of the schema location specified
as xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd".
When parsing persistence.xml OpenJPA does not access the network to retrieve the specified
schema.

The exception thrown is:
Caused by: <openjpa-2.0.0-r422266:935683 nonfatal general error> org.apache.openjpa.persistence.PersistenceException:
org.xml.sax.SAXException: jar:file:/C:/WMPS/wmcc.jar!/META-INF/orm.xml [Location: Line: 6,
C: 19]: org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of element 'persistence'.
        at org.apache.openjpa.persistence.PersistenceMetaDataFactory.parseXML(PersistenceMetaDataFactory.java:295)
        at org.apache.openjpa.persistence.PersistenceMetaDataFactory.load(PersistenceMetaDataFactory.java:228)
        at org.apache.openjpa.meta.MetaDataRepository.getMetaDataInternal(MetaDataRepository.java:554)
        at org.apache.openjpa.meta.MetaDataRepository.getMetaDataInternal(MetaDataRepository.java:374)
        at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:358)
        at org.apache.openjpa.meta.MetaDataRepository.resolveAll(MetaDataRepository.java:1923)
        at org.apache.openjpa.meta.MetaDataRepository.getQueryMetaDataInternal(MetaDataRepository.java:1901)
        at org.apache.openjpa.meta.MetaDataRepository.getQueryMetaData(MetaDataRepository.java:1888)
        at org.apache.openjpa.persistence.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:1012)
        at org.apache.openjpa.persistence.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:1005)

If I remove the schema location from the orm.xml file, another exception is thrown:
9125  wmps  WARN   [main] openjpa.Enhance - An exception was thrown while attempting to perform
class file transformation on "ch/wiegand/appl/wmm/wmcc/model/article/Price":
<openjpa-2.0.0-r422266:935683 nonfatal general error> org.apache.openjpa.util.GeneralException:
org.xml.sax.SAXException: file:/Q:/proj/wiegand/MMCC/bin/META-INF/orm.xml [Location: Line:
4, C: 19]: org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of element
'persistence'.
	at org.apache.openjpa.persistence.PersistenceMetaDataFactory.parseXML(PersistenceMetaDataFactory.java:295)
	at org.apache.openjpa.persistence.PersistenceMetaDataFactory.load(PersistenceMetaDataFactory.java:228)
	at org.apache.openjpa.meta.MetaDataRepository.getMetaDataInternal(MetaDataRepository.java:554)
	at org.apache.openjpa.meta.MetaDataRepository.getMetaDataInternal(MetaDataRepository.java:374)
	at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:358)
	at org.apache.openjpa.enhance.PCEnhancer.<init>(PCEnhancer.java:256)
	at org.apache.openjpa.enhance.PCEnhancer.<init>(PCEnhancer.java:227)
	at org.apache.openjpa.enhance.PCClassFileTransformer.transform0(PCClassFileTransformer.java:139)
	at org.apache.openjpa.enhance.PCClassFileTransformer.transform(PCClassFileTransformer.java:120)
	at sun.instrument.TransformerManager.transform(TransformerManager.java:169)
	at sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:365)
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:247)
	at org.apache.openjpa.meta.MetaDataRepository.classForName(MetaDataRepository.java:1525)
	at org.apache.openjpa.meta.MetaDataRepository.loadPersistentTypesInternal(MetaDataRepository.java:1501)
	at org.apache.openjpa.meta.MetaDataRepository.loadPersistentTypes(MetaDataRepository.java:1479)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.loadPersistentTypes(AbstractBrokerFactory.java:272)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.initializeBroker(AbstractBrokerFactory.java:228)
	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:202)
	at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:156)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:213)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:151)
	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:57)
	at ch.wiegand.appl.wmm.wmcc.persistence.PersistenceManager.<init>(PersistenceManager.java:48)
	at ch.wiegand.appl.wmm.wmcc.persistence.PersistenceManagerFactory.createPersistenceManager(PersistenceManagerFactory.java:25)
	at ch.wiegand.appl.wmm.wmps.manager.PrepStationManager.<init>(PrepStationManager.java:61)
	at ch.wiegand.appl.wmm.wmps.facade.cli.PrepStationApp.setup(PrepStationApp.java:62)
	at ch.wiegand.appl.wmm.wmps.facade.cli.PrepStationApp.main(PrepStationApp.java:90)
Caused by: java.io.IOException: org.xml.sax.SAXException: file:/Q:/proj/wiegand/MMCC/bin/META-INF/orm.xml
[Location: Line: 4, C: 19]: org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration
of element 'persistence'.
	at org.apache.openjpa.lib.meta.XMLMetaDataParser.parseNewResource(XMLMetaDataParser.java:396)
	at org.apache.openjpa.lib.meta.XMLMetaDataParser.parse(XMLMetaDataParser.java:334)
	at org.apache.openjpa.lib.meta.XMLMetaDataParser.parse(XMLMetaDataParser.java:311)
	at org.apache.openjpa.lib.meta.XMLMetaDataParser.parse(XMLMetaDataParser.java:284)
	at org.apache.openjpa.persistence.XMLPersistenceMetaDataParser.parse(XMLPersistenceMetaDataParser.java:364)
	at org.apache.openjpa.persistence.PersistenceMetaDataFactory.parseXML(PersistenceMetaDataFactory.java:293)
	... 39 more
Caused by: org.xml.sax.SAXException: file:/Q:/proj/wiegand/MMCC/bin/META-INF/orm.xml [Location:
Line: 4, C: 19]: org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of
element 'persistence'.
	at org.apache.openjpa.lib.meta.XMLMetaDataParser.getException(XMLMetaDataParser.java:675)
	at org.apache.openjpa.lib.meta.XMLMetaDataParser.error(XMLMetaDataParser.java:434)
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:134)
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:384)
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:318)
	at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:1915)
	at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.startElement(XMLSchemaValidator.java:705)
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:400)
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl$NSContentDriver.scanRootElementHook(XMLNSDocumentScannerImpl.java:626)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3103)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:922)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
	at javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
	at org.apache.openjpa.lib.meta.XMLMetaDataParser.parseNewResource(XMLMetaDataParser.java:393)
	... 44 more

Because the used Parser factory is not under the control of the application, there seems to
be no way to set the schema location programmatically. If there is way, it seems to be missing
in the documentation.



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