About JDO

forum_thread

Using the wrong class to access a database

Hello, just starting to test ObjectDB and ran into a problem. I've created a small program to test the Point database described in the Getting Started section: ... Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...

 
forum_thread

Feature Request: Improved ObjectDB Explorer

ObjectDB explorer is mainly designed as database viewer, not editor. However, I think it can be improved to function as a capable editor also, and I think this will make ObjectDB an even better product. ... Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...

 
forum_thread

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check" system property) The following is a detailed report on investigation of multiple issues that have been mentioned in the following forum postings and issue reports (but please do not visit them from here now, the diagnostics there are now obsolete): - Issue #282 - ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection ... com.objectdb.o.OBM.bP(OBM.java:931) at com.objectdb.jdo.PMImpl.bP(PMImpl.java:2279) at com.objectdb.o.OBM.bO(OBM.java:842) at ... Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...

 
forum_thread

Persist not working when ObjectDB and another db is used in the same application (through spring) with different tx managers

Hi,  Object are not being persisted when ObjectDB and another db is used in the same application (through spring) with different tx managers, please find an example of this below. Any help is greatly appreciate as we are currently evaluating ObjectDB to use in our new enterprise application and we need to decide if we are going to purchase it very soon. Many Thanks   Persistence.xml ... Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...

 
forum_thread

LAZY @ManyToOne field functions as EAGER

In the code example below (also attached) I would like to understand why I am able to print to console a lazy @ManyToOne field after the entity manager closes. There is a switch DO_VIEW_BEFORE_CLOSE, and when it is true the fields are accessed and output before the finding entity manager closes and as expected both a LAZY @ManyToOne field and an EAGER @ManyToOne field are viewable: b.cLazy:{C}[2]"cLazy"
 b.cEager:{C}[3]"cEager" ... Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...

 
forum_thread

Custom Classloader: Issues with the Enhancer Agent

In my use case I generate some classes dynamically and load them with a custom classloader. The classloader is very standard and does something like this (simplified): ... Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...

 
forum_thread

Problems Running ODB Explorer

When ODB is run in embedded mode (Eclipse), it is fine but the explorer throws the following exception:-   ... Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...

 
forum_thread

Apparent Lazy Loading issues.

Hi, Thanks for the quick investigation. That has indeed fixed that issue. However there appear to be two more. ... Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...

 
issue

InternalException when querying indexed field using a list that contains duplicates

ObjectDB is throwing an InternalException in JdoQuery: ... com.objectdb.o.QRR.f(QRR.java:153) at com.objectdb.jdo.JdoQuery.execute0(JdoQuery.java:811) at com.objectdb.jdo.JdoQuery.execute(JdoQuery.java:732) This happens in the specific ... Type: * Bug JPA Feature JDO Feature Feature Request Documentation Website ...

 
forum_thread

Entity with java.util.Date column gives ClassCastException in BIRT

Copied a straightforward entity class from my coleague. Using Eclipse Kepler (Reporting) and stored it in ObjectDB 2.5.3_02. After creating an ObjectDB BIRT DataSource and a DataSet, entered a simple JPQL query to select the fields. Entity looks like this: ... Support ObjectDB - Fast Object Database for Java (JPA/JDO) edit ...