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From "Marc Prud'hommeaux (JIRA)" <j...@apache.org>
Subject [jira] Commented: (OPENJPA-42) Simple orm.xml file causes exception (NPE)
Date Tue, 03 Oct 2006 17:55:20 GMT
    [ http://issues.apache.org/jira/browse/OPENJPA-42?page=comments#action_12439589 ] 
            
Marc Prud'hommeaux commented on OPENJPA-42:
-------------------------------------------

We've committed a number of fixes to the class loading framework when using the class transformer,
which appears to make this work.

Note, though, there are some errors in your orm.xml: you didn't declare the <mapped-superclass
class="Person"/>, and you put overridden attributes in the <attributes> section,
rather than the <attribute-override> section (which the spec mandates). I'll attach
the corrected orm.xml to this report.

> Simple orm.xml file causes exception (NPE)
> ------------------------------------------
>
>                 Key: OPENJPA-42
>                 URL: http://issues.apache.org/jira/browse/OPENJPA-42
>             Project: OpenJPA
>          Issue Type: Bug
>         Environment: Mac OS X
> Java 5 SE
> Resource Local
> OpenJPA build from SVN  rev. 441247
>            Reporter: Thomas Risberg
>         Attachments: OPENJPA-42.zip, plainJpa.zip
>
>
> This simple orm.xml file causes a NPE - 
> <?xml version="1.0" encoding="UTF-8"?>
> <entity-mappings xmlns="http://java.sun.com/xml/ns/persistence/orm"
>     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>     xsi:schemaLocation="http://java.sun.com/xml/ns/persistence/orm http://java.sun.com/xml/ns/persistence/orm_1_0.xsd"
>     version="1.0">
>   <package>springdeveloper.domain</package>
>   <entity class="Client" metadata-complete="false" access="FIELD"></entity>
>   <entity class="Manager" metadata-complete="false" access="FIELD">
>     <attribute-override name="description">
>       <column name="DESCR" length="2000"/>
>     </attribute-override>
>   </entity>
> </entity-mappings>
> I have attached a test case - plainJpa.zip
> Same code runs fine with the RI.
> This is the output from my run:
> /System/Library/Frameworks/JavaVM.framework/Versions/1.5/Home/bin/java -Dfile.encoding=MacRoman
-classpath /System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/deploy.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/dt.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/jce.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/plugin.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/sa-jdi.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/charsets.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/classes.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/jconsole.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/jsse.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/laf.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/ui.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/ext/apple_provider.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/ext/dnsns.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/ext/localedata.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/ext/sunjce_provider.jar:/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/ext/sunpkcs11.jar:/Users/trisberg/Projects/plainJpa/classes:/Users/trisberg/Projects/plainJpa/lib/openjpa-jdbc-0.9.0-incubating-SNAPSHOT.jar:/Users/trisberg/Projects/plainJpa/lib/openjpa-persistence-0.9.0-incubating-SNAPSHOT.jar:/Users/trisberg/Projects/plainJpa/lib/openjpa-lib-0.9.0-incubating-SNAPSHOT.jar:/Users/trisberg/Projects/plainJpa/lib/openjpa-kernel-5-0.9.0-incubating-SNAPSHOT.jar:/Users/trisberg/Projects/plainJpa/lib/commons-collections-3.2.jar:/Users/trisberg/Projects/plainJpa/lib/geronimo-jta_1.0.1B_spec-1.0.1.jar:/Users/trisberg/Projects/plainJpa/lib/geronimo-j2ee-connector_1.5_spec-1.0.1.jar:/Users/trisberg/Projects/plainJpa/lib/commons-pool-1.3.jar:/Users/trisberg/Projects/plainJpa/lib/serp-1.11.0.jar:/Users/trisberg/Projects/plainJpa/lib/hsqldb.jar:/Users/trisberg/Projects/plainJpa/lib/persistence-api-1.0.jar:/Users/trisberg/Projects/plainJpa/lib/commons-logging-1.0.4.jar:/Users/trisberg/Projects/plainJpa/lib/commons-dbcp-1.2.1.jar:/Users/trisberg/Projects/plainJpa/lib/openjpa-persistence-jdbc-0.9.0-incubating-SNAPSHOT.jar:/Users/trisberg/Projects/plainJpa/lib/commons-lang-2.1.jar:/Users/trisberg/Projects/plainJpa/lib/openjpa-kernel-0.9.0-incubating-SNAPSHOT.jar:/Users/trisberg/Projects/plainJpa/lib/openjpa-jdbc-5-0.9.0-incubating-SNAPSHOT.jar
springdeveloper.TestApp
> OPenJPAVersion:
> OpenJPA 0.9.0-incubating-SNAPSHOT
> version id: 0.9.0-incubating-SNAPSHOT-r0
> revision: 0
> os.name: Mac OS X
> os.version: 10.4.7
> os.arch: ppc
> java.version: 1.5.0_06
> java.vendor: Apple Computer, Inc.
> java.class.path:
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/deploy.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/dt.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/jce.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/plugin.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/sa-jdi.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/charsets.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/classes.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/jconsole.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/jsse.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/laf.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/ui.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/ext/apple_provider.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/ext/dnsns.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/ext/localedata.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/ext/sunjce_provider.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/ext/sunpkcs11.jar
> 	/Users/trisberg/Projects/plainJpa/classes
> 	/Users/trisberg/Projects/plainJpa/lib/openjpa-jdbc-0.9.0-incubating-SNAPSHOT.jar
> 	/Users/trisberg/Projects/plainJpa/lib/openjpa-persistence-0.9.0-incubating-SNAPSHOT.jar
> 	/Users/trisberg/Projects/plainJpa/lib/openjpa-lib-0.9.0-incubating-SNAPSHOT.jar
> 	/Users/trisberg/Projects/plainJpa/lib/openjpa-kernel-5-0.9.0-incubating-SNAPSHOT.jar
> 	/Users/trisberg/Projects/plainJpa/lib/commons-collections-3.2.jar
> 	/Users/trisberg/Projects/plainJpa/lib/geronimo-jta_1.0.1B_spec-1.0.1.jar
> 	/Users/trisberg/Projects/plainJpa/lib/geronimo-j2ee-connector_1.5_spec-1.0.1.jar
> 	/Users/trisberg/Projects/plainJpa/lib/commons-pool-1.3.jar
> 	/Users/trisberg/Projects/plainJpa/lib/serp-1.11.0.jar
> 	/Users/trisberg/Projects/plainJpa/lib/hsqldb.jar
> 	/Users/trisberg/Projects/plainJpa/lib/persistence-api-1.0.jar
> 	/Users/trisberg/Projects/plainJpa/lib/commons-logging-1.0.4.jar
> 	/Users/trisberg/Projects/plainJpa/lib/commons-dbcp-1.2.1.jar
> 	/Users/trisberg/Projects/plainJpa/lib/openjpa-persistence-jdbc-0.9.0-incubating-SNAPSHOT.jar
> 	/Users/trisberg/Projects/plainJpa/lib/commons-lang-2.1.jar
> 	/Users/trisberg/Projects/plainJpa/lib/openjpa-kernel-0.9.0-incubating-SNAPSHOT.jar
> 	/Users/trisberg/Projects/plainJpa/lib/openjpa-jdbc-5-0.9.0-incubating-SNAPSHOT.jar
> 	/System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Classes/.compatibility/14compatibility.jar
> user.dir: /Users/trisberg/Projects/plainJpa
> TestApp!
> 119  INFO   [main] openjpa.Runtime - Starting OpenJPA 0.9.0-incubating-SNAPSHOT
> Exception in thread "main" <0|false|0.9.0-incubating-SNAPSHOT> org.apache.openjpa.persistence.PersistenceException:
null
> 	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:183)
> 	at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:139)
> 	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:171)
> 	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:124)
> 	at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:50)
> 	at springdeveloper.TestApp.run(TestApp.java:53)
> 	at springdeveloper.TestApp.main(TestApp.java:27)
> Caused by: java.lang.NullPointerException
> 	at org.apache.openjpa.meta.ClassMetaData.getSuperclassField(ClassMetaData.java:820)
> 	at org.apache.openjpa.meta.ClassMetaData.resolveDefinedSuperclassFields(ClassMetaData.java:1115)
> 	at org.apache.openjpa.meta.ClassMetaData.defineSuperclassFields(ClassMetaData.java:1091)
> 	at org.apache.openjpa.jdbc.meta.MappingRepository.prepareMapping(MappingRepository.java:314)
> 	at org.apache.openjpa.meta.MetaDataRepository.loadMapping(MetaDataRepository.java:605)
> 	at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:505)
> 	at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:300)
> 	at org.apache.openjpa.jdbc.meta.MappingRepository.getMapping(MappingRepository.java:279)
> 	at org.apache.openjpa.jdbc.meta.MappingTool.getMapping(MappingTool.java:660)
> 	at org.apache.openjpa.jdbc.meta.MappingTool.buildSchema(MappingTool.java:731)
> 	at org.apache.openjpa.jdbc.meta.MappingTool.run(MappingTool.java:630)
> 	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:160)
> 	at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.newBrokerImpl(JDBCBrokerFactory.java:126)
> 	at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:164)
> 	... 6 more
> Process finished with exit code 1

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