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https://issues.apache.org/jira/browse/OPENJPA-2244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Helen Xu updated OPENJPA-2244:
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Attachment: OPENJPA-2244.patch
new patch attached to load context classloader only when it is needed.
> Nested classpath ignored in mapping tool ant task
> -------------------------------------------------
>
> Key: OPENJPA-2244
> URL: https://issues.apache.org/jira/browse/OPENJPA-2244
> Project: OpenJPA
> Issue Type: Bug
> Affects Versions: 2.0.1, 2.1.1, 2.2.0
> Reporter: Helen Xu
> Assignee: Helen Xu
> Attachments: OPENJPA-2244.patch
>
>
> The nested classpath element inside the mappingtool ant task are ignored when
> loading the persistent configuration file. User got the following error:
> <openjpa-2.0.2-SNAPSHOT-r422266:1361284M 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.
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