[hibernate-issues] [Hibernate-JIRA] Commented: (EJB-252) Persistence.xml <class> entity does not allow package name to be specified (documentation says it does)
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http://opensource.atlassian.com/projects/hibernate/browse/EJB-252?page=co...
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Kenneth Roe commented on EJB-252:
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No, as you suspected I took it to mean classes within the package would be mapped.
Two suggestions:
1.) Clarify this behavior in the documentation - an example of how it could be used would
be great.
2.) The stack trace doesn't make the problem obvious. If the package is found, but
does not have package-info.java could the message for the exception say that
packge-info.java was expected but not found in the package?
Example stack trace:
Caused by: javax.persistence.PersistenceException: [PersistenceUnit: EPanOrderEdit] class
or package not found
at
org.hibernate.ejb.Ejb3Configuration.addNamedAnnotatedClasses(Ejb3Configuration.java:1067)
at
org.hibernate.ejb.Ejb3Configuration.addClassesToSessionFactory(Ejb3Configuration.java:864)
at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:750)
at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:178)
at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:235)
at
org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:120)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51)
<portion of stack trace removed>
Caused by: java.lang.ClassNotFoundException: com.surveysampling.emailpanel.geo
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:112)
at org.hibernate.ejb.Ejb3Configuration.classForName(Ejb3Configuration.java:983)
at
org.hibernate.ejb.Ejb3Configuration.addNamedAnnotatedClasses(Ejb3Configuration.java:1055)
... 17 more
Thanks for looking into this,
-Ken
Persistence.xml <class> entity does not allow package name to
be specified (documentation says it does)
-------------------------------------------------------------------------------------------------------
Key: EJB-252
URL: http://opensource.atlassian.com/projects/hibernate/browse/EJB-252
Project: Hibernate Entity Manager
Type: Bug
Components: EntityManager
Versions: 3.2.0.ga
Environment: 3.2.0, Oracle 9i r2
Reporter: Kenneth Roe
The EntityManager reference documentation indicates that you can specify a package name
in the <class> element of persistence.xml. This does not appear to be the case.
Section of the documentation that says package names will work:
"The class element specifies a fully qualified class name that you will map. By
default all properly annotated classes and all hbm.xml files found inside the archive are
added to the persistence unit configuration. You can add some external entity through the
class element though. As an extension to the specification, you can add a package name in
the <class> element (eg <class>org.hibernate.eg</class>)."
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