About commit

api-jpa

commit()

Commit the current resource transaction, writing any unflushed changes to the database.(Method of javax.persistence.EntityTransaction)

 
manual

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 ...

 
manual

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 ...

 
manual

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 ...

 
forum_thread

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) ...

 
manual

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 ...

 
manual

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 ...

 
manual

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 ...

 
api-jpa

FlushModeType.COMMIT

Flushing to occur at transaction commit.(Enum Constant of javax.persistence.FlushModeType)

 
issue

NullpointerException when execute a commit

Hello, following exception occurs when using objectdb: ... com.objectdb.o.UserException: Failed to commit transaction: Unexpected internal exception at ... at com.objectdb.jpa.EMImpl.commit(EMImpl.java:304) .... Caused by: ... at com.objectdb.jpa.EMImpl.commit(EMImpl.java:299) ... 45 more Caused by: ...