I\'m trying to do a multiselect on an entity with an IdClass. I can\'t get a column that is mapped as part of the ID. It\'s clear why I can\'t, as none of the columns that are marked as @Ids are a par
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari
My problem is this exception: Caused by: <openjpa-2.1.1-r422266:1148538 nonfatal user error> org.apache.openjpa.persistence.ArgumentException: This configuration disallows runtime optimization,
i\'ve got two Entities with combinded primarky keys: @Entity @IdClass(APK.class) public class A { @Id Integer pk1;
According to the Java Persistent/Locking wikibooks*, the best way to deal with locks is to report the Optimistic Lock Error/Exception to the user.
I\'m using OpenJPA and I have a lock problem. I already understand what\'s an Optimistic开发者_Go百科LockException and when it\'s thrown.
I just spent a half hour debugging some new code that\'s not broken because I forgot to check (again!) my logs for this dreaded message:
I want to not use the built in Websphere 7 jpa plugin, instead use an application WEB-INF/lib/open-jpa 2 and a proprietary persistence provider.I cannot install the OSGI and JPA 2 feature pack for Web
This is my code (it\'s JAX-RS + JPA): @Path(\"/\") public class Foo { private static final EntityManagerFactory FACTORY =
I had a simple spring app working where this MediafilebrowserController was working and I could access a url at: http://localhost/item/something and it would work fine. I then proceeded to integrate o
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