[hibernate-dev] Discovering/configuring package-info

[Steve Ebersole]

The spec does not say anything about explicitly specifying packages.  I 
was not aware of handling for that in the old code which I have been 
trying to de-spaghetti for some time, I can add that capability back in.

On 03/18/2013 08:22 AM, Christian Bauer wrote:
> Trying to upgrade to 4.3-SNAPSHOT, the EntityManagerFactoryBuilderImpl.indexResource() is failing for my persistence.xml configuration in Java SE with Persistence.createEntityManagerFactory():
>
>     <persistence-unit name="SimplePU">
>         <jta-data-source>myDS</jta-data-source>
>         <class>org.jpwh.model</class>
>         <class>org.jpwh.model.simple.Item</class>
>         <class>org.jpwh.model.simple.User</class>
>         <class>org.jpwh.model.simple.Bid</class>
>         <class>org.jpwh.model.simple.Address</class>
>         <class>org.jpwh.model.simple.Category</class>
>         <exclude-unlisted-classes>true</exclude-unlisted-classes>
>     </persistence-unit>
>
> The <class>org.jpwh.model</class> was necessary in 4.1 to get the package-info.java of that package included, it contains my @GenericGenerators.
>
> [main            ] TRACE  - 13:57:28,926 - nternal.ClassLoaderServiceImpl: trying via [new URL("org/jpwh/model.class")]
> [main            ] TRACE  - 13:57:28,926 - nternal.ClassLoaderServiceImpl: trying via [ClassLoader.getResourceAsStream("org/jpwh/model.class")]
> Exception in thread "main" javax.persistence.PersistenceException: [PersistenceUnit: SimplePU] Unable to open input stream for resource org/jpwh/model.class
> 	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.persistenceException(EntityManagerFactoryBuilderImpl.java:1133)
> 	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.indexResource(EntityManagerFactoryBuilderImpl.java:337)
> 	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.buildJandexIndex(EntityManagerFactoryBuilderImpl.java:315)
> 	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.locateOrBuildJandexIndex(EntityManagerFactoryBuilderImpl.java:306)
> 	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.<init>(EntityManagerFactoryBuilderImpl.java:205)
> 	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.<init>(EntityManagerFactoryBuilderImpl.java:169)
> 	at org.hibernate.jpa.boot.spi.Bootstrap.getEntityManagerFactoryBuilder(Bootstrap.java:43)
> 	at org.hibernate.jpa.HibernatePersistenceProvider.getEntityManagerFactoryBuilderOrNull(HibernatePersistenceProvider.java:135)
> 	at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:81)
> 	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:55)
> 	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:39)
> 	at org.jpwh.env.JPA21Setup.<init>(JPA21Setup.java:19)
> 	at org.jpwh.test.Test.main(Test.java:12)
> Caused by: java.io.IOException: Stream closed
> 	at java.io.BufferedInputStream.getInIfOpen(BufferedInputStream.java:151)
> 	at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
> 	at java.io.BufferedInputStream.read1(BufferedInputStream.java:275)
> 	at java.io.BufferedInputStream.read(BufferedInputStream.java:334)
> 	at java.io.DataInputStream.readFully(DataInputStream.java:195)
> 	at java.io.DataInputStream.readFully(DataInputStream.java:169)
> 	at org.jboss.jandex.Indexer.verifyMagic(Indexer.java:387)
> 	at org.jboss.jandex.Indexer.index(Indexer.java:630)
> 	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.indexResource(EntityManagerFactoryBuilderImpl.java:334)
>
> It looks like the only way to currently get package-info picked up is with automatic scanning. But in my case scanningContext.isDetectClasses() is false…
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