[hibernate-dev] Discovering/configuring package-info

[Steve Ebersole]

https://hibernate.atlassian.net/browse/HHH-8086

But I will change that from Bug to New Feature if it was not previously 
documented anywhere.

To be honest, little nervous doing this as it effects provider 
portability.

On Mon 18 Mar 2013 11:09:22 AM CDT, Steve Ebersole wrote:
> Out of curiosity, where is this documented as being supported?
>
>
> On Mon 18 Mar 2013 08:34:29 AM CDT, Steve Ebersole wrote:
>> 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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>>