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Posted to commits@cayenne.apache.org by "Andrus Adamchik (JIRA)" <ji...@apache.org> on 2009/12/28 21:27:29 UTC
[jira] Closed: (CAY-1192) NoClassDefFoundError while loading JPA
entity classes on Windows
[ https://issues.apache.org/jira/browse/CAY-1192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrus Adamchik closed CAY-1192.
--------------------------------
Resolution: Won't Fix
since the JPA work has been suspended in favor of Cayenne API, closing JPA tasks now.
> NoClassDefFoundError while loading JPA entity classes on Windows
> ----------------------------------------------------------------
>
> Key: CAY-1192
> URL: https://issues.apache.org/jira/browse/CAY-1192
> Project: Cayenne
> Issue Type: Bug
> Components: Cayenne JPA
> Affects Versions: 3.0M5
> Environment: MS Windows XP
> Eclipse 3.4.1
> JDK 1.5.08
> Reporter: Neil Rutherford
> Attachments: patch.diff
>
>
> While running a test app with 1 entity from inside Eclipse I get the below exception:
> 2009/03/12 02:17:03 org.apache.cayenne.jpa.Provider createEntityManagerFactory
> INFO: Extra PersistenceUnitInfo properties: {}
> Exception in thread "main" java.lang.NoClassDefFoundError: test\entities\Transaction (wrong name: test/entities/Transaction)
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:465)
> at org.apache.cayenne.jpa.JpaUnitClassLoader.findClass(JpaUnitClassLoader.java:83)
> at org.apache.cayenne.jpa.JpaUnitClassLoader.loadClass(JpaUnitClassLoader.java:49)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:242)
> at org.apache.cayenne.jpa.conf.EntityMapLoader.loadFromAnnotations(EntityMapLoader.java:249)
> at org.apache.cayenne.jpa.conf.EntityMapLoader.loadEntityMap(EntityMapLoader.java:112)
> at org.apache.cayenne.jpa.conf.EntityMapLoader.<init>(EntityMapLoader.java:88)
> at org.apache.cayenne.jpa.Provider.createContainerEntityManagerFactory(Provider.java:224)
> at org.apache.cayenne.jpa.Provider.createEntityManagerFactory(Provider.java:194)
> at javax.persistence.Persistence.createFactory(Persistence.java:171)
> at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:111)
> at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:65)
> at Main.main(Main.java:36)
> This seems to be caused by this line in org.apache.cayenne.jpa.conf.EntityMapLoader (inside locateClassesInFolder(File,...):
> classes.add(absPath.substring(
> rootPathLength,
> absPath.length() - suffixLen).replace('/', '.'));
> because on Windows the path separator is a '\\', replacing the '/' with File.separatorChar fixes my problem.
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