About transaction

81-90 of 200Refresh
Issue
18

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
18

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
Forum
17

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
17

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
17

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
Forum
17

Query problem after transaction commit

I have a machine running the objectdb server and the client on another machine connect to it. The client program can connect to the server and query to get all the records. However, after transaction.begin ... persist(p) .. commit of a new object, my client program can no longer retrieve the old
Forum
17

Querys without Transaction

Hello, are querys faster, if we use the entity manager without transaction, since we need only read-only entities. There is no much difference, but report queries, i.e. queries that return simple value fields rather than entity objects are more efficient as they eliminate the need to manage entity
Forum
17

Max transaction size

What’s the max transaction size, or how is it determined? The main limit is the available memory in the JVM. There is no hard limit. Trianglehead
JDO Doc
17

javax.jdo.Constants

to specify that transactions are managed by the Java Transactions API, as documented in JSR-220. The value for TransactionType to specify that transactions are managed by the Java Transactions API, as ... .supportedOptions() String OPTION_TRANSACTIONAL_TRANSIENT "javax.jdo.option.TransientTransactional
Manual
17

Detached Entity Objects

method, which clears an EntityManager's persistence context. Rolling back a transaction - either by ... transaction when merge is called because operations that might modify the database require an active transaction. Cascading Merge Marking a reference field with CascadeType.MERGE (or CascadeType