About Transactional

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Issue
19

Inefficient memory usage with very large transactions

When a large transaction is committed, ObjectDB increases some internal structures, i.e. allocates more memory, but from that point the structures remain big and the memory is not released even if all the next transactions are small. This problem was found during a heap analysis (see #9 in
Forum
19

NegativeArraySizeException on commiting a transaction

Hi, we started to get a java.lang.NegativeArraySizeException from ObjectDB upon changing an object in the DB and committing the transaction. I tried to repair the DB file with Database Doctor ... from the ProjectVersionHistory, so only 20 remained and since then my changing transactions
Issue
19

ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection

The following error is reported for objectdb-2.6.9.jar: Failed to commit transaction: Failed to set numeric value of field property com.greensoft.objectdb.test.entity.Element.id using reflection ... .6.9] javax.persistence.RollbackException Failed to commit transaction: Failed to set numeric value
Forum
19

remove & persist in same transaction => Attempt to reuse an existing primary key value

transaction: first remove additional Data -> The special Entity (with id 1) is empty and we remove ... and then in the same transaction persisting another object with the same primary key of the removed object
Manual
19

CRUD Database Operations with JPA [2011-02-11]

) require an active transaction. In the example above, every Point object is first constructed as an ordinary Java object. It then becomes associated with an EntityManager and with its transaction (as ... only when the transaction is committed. The Storing Entities section in chapter 3 discusses
Manual
19

CRUD Database Operations with JPA

) require an active transaction. In the example above, every Point object is first constructed as an ordinary Java object. It then becomes associated with an EntityManager and with its transaction (as ... only when the transaction is committed. The Storing Entities section in chapter 3 discusses
JDO Doc
19

javax.jdo.PersistenceManager

application components. It is the factory for Query and Transaction instances, and contains methods ... if a transaction is not active. If a datastore transaction is active, this method verifies ... if flush were called, but it is not required to do so. If an optimistic transaction is active
Forum
19

CM Transaction Implementation

Hi All, How to implement Container Managed Transaction using Glassfish / Weblogic server. Please provide us the step by step instruction, how ti achieve it       Please check the following tutorial: http://www.objectdb.com/tutorial/jpa/ee umesh
Forum
19

com.objectdb.o._RollbackException: Failed to commit transaction

Check the Exception below: (occurs sometimes, ObjectDB 2.3.6_14) com.objectdb.o._RollbackException: Failed to commit transaction: at com.objectdb.o.JPE.g(JPE.java:89) ~[JPE.class:na] at com.objectdb.o.ERR.f(ERR.java:59) ~[ERR.class:na] at com.objectdb.o.OBC
Forum
19

Failed to commit transaction: Java heap space (error 613)

.RollbackException Failed to commit transaction: Java heap space (error 613) We are using ObjectDB 2.4.6_10