About tracking

forum_thread

Remove an entity which attributes were changed - OptimisticLockException

We use an OSGi environment and we have three OSGi plugins.   In plugin A an entity is loaded and the entity is passed to plugin B. Plugin B changes an attribute on the entity. Plugin C removes the entity from the database. After commit the transaction an exception is caused with optimistic lock exception of the removed entity. If this operations on the entity are executed in only one plugin, it works well. #1 2016-04-14 13:06 We use an OSGi environment and we have three OSGi plugins.   In plugin A an entity is loaded ...

 
issue

auto-generated uuid fields

Hello, we're porting a JDO application to ObjectDB which uses uuid-hex generated values. However the page on generated values in your JPA tutorial only mentions numeric generated values, and when we try to use it the error message seems to imply that auto-generating strings isn't supported. Could you confirm whether this is the case? If so it seems an odd omission, given that it's part of both the JPA and JDO standards (JPA Generator.UUID_HEX and JDO value-strategy="uuid-hex") and that the Java language itself supports it (java.util.UUID). ... See JavaDoc Reference Page... . The issue tracking system enables listing all the unsupported JDO features (this ...

 
forum_thread

Should I use ObjectDB and JDO?

My application is not meeting required performance because JavaDB appears to be my bottleneck.  I require a faster DB.  Surveying the Internet lead me to believe that ObjectDB might be just what I am looking for (to achieve MUCH faster database access).  But, I have a few concerns.   ... and a few other features, as you can see in the issue tracking). ObjectDB Support ObjectDB - Fast ...

 
forum_thread

Database crash

just running objectdb we run into a crash situation as described in the attached log. What can be the reason for such a behaviour ?   ... Further discussion of this report is in the issue tracking . ObjectDB Support ObjectDB - Fast ...

 
release

2.2.4

... index with null keys is used. Fixed a bug in tracking field changes when a new value is the default value. ...

 
forum_thread

Beginners questions

Hello !! I am new in JPA / ObjectDB development and I have many questions: 1. If I understood correctly, ObjectDB is an implementation of JPA standard (currently 2.0)? 1.1. Is ObjectDB on the same level like Hibernate with only difference that Hibernate stores the data in a RDBMS and ObjectDB has its own format?   ... Entity name Relationships and tracking changes You can post as many questions as you want, but ...

 
release

2.7.3

... key value" after flush bug. Fixed a bug in tracking changes to collections of new flushed entity objects. ... queries. Fixed a bug in collection change tracking in a new entity object. Fixed merging entity objects of ...

 
release

2.7.3_01

... key value" after flush bug. Fixed a bug in tracking changes to collections of new flushed entity objects. ... queries. Fixed a bug in collection change tracking in a new entity object. Fixed merging entity objects of ...

 
release

2.2.3

... index with null keys is used. Fixed a bug in tracking field changes when a new value is the default value. ...

 
release

2.7.2

... key value" after flush bug. Fixed a bug in tracking changes to collections of new flushed entity objects. ... queries. Fixed a bug in collection change tracking in a new entity object. Fixed merging entity objects of ...