About field


Database Inconsistency or corruption

Hi, since a week I have been trying to find a solution to a strange problem. We are using ObjectDB 2.6.8_02 im embedded mode. The problem is that data gets lost when updating an entity. 1-) Background Consider Three entities: ObjectValue, Attribute and Value. ObjectValue has a one to many relationship to Attribute and Attribute has a one to one relationship to Value. ... due to 3 or 4) - you may try changing another (even dummy) field in the object and see if it makes a change. There may be of ...


Selective merge/cascade of detatched entity

I'm having an issue with my application, and I'm hoping you guys will be able to help. Please forgive typos and obvious errors, I'm having to retype from a non-internet connected network. A contrived example is: ... threads (all using 'synchronized' operations for field access). Could this 'find' method ever return a different ...


Replication error on slave restart

I'm trying to enable replication on master server that was running with "recovery" enabled previously. I have copied database file to slave... and so on by manual. It worked fine. But if I restart slave server: ... Master is up to date. And as you can see I have useful field "updatedAt" which sets actual timestamp (GMT+0) everytime User entity ...


Dependency from enhanced classes to the objectDB library

Hello, we have a Question to the dependency from enhanced classes (required for license) to the objectDB library.... the mapping file). The type of the path field in ProfileImpl  has been changed to String (since the ...


find() cost unreasonable time!

Hi, I make a full binary tree of 4095 node, I check the first 9 node, but the root cost 24 seconds, why? Result: #1 2011-06-29 12:58 Hi, I make a full binary tree of 4095 node, I check the first 9 node, but the root cost 24 seconds, why? ...


com.objectdb.o.InternalException: null

After an error in a @PrePersist method in an Entity class, the database stopped working. Fortunately this was in development, but still worrying! The Entity class ... [ 1 ] Page #10 entry 5 has unexpected field count (1 instead of 12) ...


Schema-Update: Deactivation of automatic entity class removing and introduction of a new class remove in the schema config

Hello, in our application we use ObjectDB in embedded mode as part of the Profile that can be stored and opened by our customers. Our application is an eclipse RCP application with a domain-driven design. The product can be installed in different configurations (in other words with more or less PlugIns). This presents us with further challenges when we have made changes to DB schema for new versions. Feature Request Version: 2.7.1 Priority: High Status: Active Replies: 4 Type:  Feature Request ...


Unexpected exception (Error 990) com.objectdb.o.InternalException

Hello, we get an exception if we use Enhanced Entities. With not enhanced Entities we get no error. ... application are due to modifying a persistent collection field after GC of the containing entity then this should now work well with the ...



The Throwable class is the superclass of all errors and exceptions in the Java language.(Class of java.langClass Throwable)


Issue with DISTINCT Select

It is getting more and more frustrating :( We've introduced distinct select instead of regular selection in our code (no changes else) and suddenly receive invalid identifiers in queries exceptions in various queries. Here's the stacktrace: ... because you are trying to order the results based on a field of $2 - after eliminating $2 from the results. Notice that if profile ...