About commit
commit()
Commit the current resource transaction, writing any unflushed changes to the database.(Method of javax.persistence.EntityTransaction)
Storing JPA Entity Objects
Explains how to use JPA to store (persist) entity objects in the database.... See JavaDoc Reference Page... ( ) . commit commit() EntityTransaction's method Commit the current resource ...
Updating JPA Entity Objects
Explains how to use JPA to delete (remove) entity objects from the database.... See JavaDoc Reference Page... ( ) . commit commit() EntityTransaction's method Commit the current resource ...
Database Connection using JPA
Describes the main JPA interfaces: EntityManagerFactory, EntityManager and EntityTransaction.... See JavaDoc Reference Page... ( ) . commit commit() EntityTransaction's method Commit the current resource ...
Failed to commit transaction: Attempt to commit a rollback only transaction
Anyone know what this means?? Suddenly cropped up. Failed to commit transaction: Attempt to commit a rollback only transaction (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:271) at javax.jdo.Transaction$commit.call(Unknown Source) ... this means?? Suddenly cropped up. Failed to commit transaction: Attempt to commit a rollback only transaction (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:271) at javax.jdo.Transaction$commit.call(Unknown Source) ...
Obtaining a JPA Database Connection
Shows how to use Java/JPA to connect to the ObjectDB Object Database.... See JavaDoc Reference Page... ( ) . commit commit() EntityTransaction's method Commit the current resource ...
Chapter 3 - Using JPA
Explains how to store, retrieve, update and delete entity objects using JPA. This chapter explains how to manage ObjectDB databases using the Java Persistence API (JPA). The first two pages introduce basic JPA interfaces and concepts: Database Connection using JPA Working with JPA Entity Objects ...
CRUD Operations with JPA
Explains how to use JPA for CRUD database operations (persist, retrieve, update, remove). The following subsections explain how to use JPA for CRUD database operations: Storing JPA Entity Objects Retrieving JPA Entity Objects Updating JPA Entity Objects Deleting JPA Entity Objects ...
FlushModeType.COMMIT
Flushing to occur at transaction commit.(Enum Constant of javax.persistence.FlushModeType)
Unexpected Exception during commit
I'm testing code that otherwise has been working with a clean database. I have seen several examples of the following exception. It never seems to happen in the same place twice, though. If you can give me a hint as to what would internally cause this, I'll try to reproduce it. Carl ... 2.2.9_01] javax.persistence.RollbackException Failed to commit transaction: Unexpected internal exception (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:277) at ... at com.objectdb.jpa.EMImpl.commit(EMImpl.java:274) ... 15 more Caused by: ...
