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Failed to commit transaction: Attempt to reuse an existing primary key value (613)

would be grateful with you cause i am having this problem for 2-3 weeks and on Internet there is no information

LIKE wildcard with single character "_" behaves like a "*"

_") It matches both "key" and "keyboard" Having the underscore anywhere else works fine, however. Thanks

Optimization Question

at any given time, but then that defeats the whole point of having multiple threads. So yeah

@ElementCollection query returning extra result per element in collection

Hi, I'm having a hard time narrowing down an issue that only became apparent with in the UI. The issue is that, I'm getting repeated results of the owning entity of an '@ElementCollection'. The entity returned is repeated for every element in the collection. Switching back to EclipseLink

Unable to convert 1.x odb file to 2.x

and converted form. Pls check the attachments. I believe this could be caused by having an array of objects as

Optimistic Locking

We are having problems with optimistic locking. I made a simple test case to try to induce an optimistic lock. I have two users logged on to our system. They both read and display the same data. Then I change the data with user 1 and submit, and then I change it with user 2 and submit. User 2 does

Issue with compile time enhancement

I have an entity library which I have integrated build time enhancement in. The enhancer reports it has processed all of my persistent classes. When I attempt to run a Bootstrap process with this library I get the error shown below. The entity referenced in the error (Terms) is listed as having

Update entity without first opening a transaction

Hi everyone, I want to update an entity in my program without having to open a transaction, do the modifications and commit the transaction. I want to have a managed entity that is in sync with my database. So when I got a Person class and I do person.setName("John"), the name in my database

Vacuum - Reclaiming Unused Space In Odb

I was curious if you could assist me with a challenge we are having with our objectdb database. Our odb files are about 50Gb in size and are written to about a million times a day with both adds and updates. This is creating a lot of unused space in the database that we are wanting to reclaim

Allow removal of entity class from ObjectDB & Explorer

also, therefore I made a feature request with it. We look forward to having this feature available. Thanks

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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