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Weird behaviour with enhanced classes and embedded entities

Laggner An EntityManager is not designed to be used concurrently by multiple threads

Slow performance on Mac

and on a machine with similar hardware it took multiple minutes. Although it's not ObjectDB's fault, I

java.sql.Timestamp with milliseconds

am encountering duplicate ID errors trying to create multiple entries in the same second. How can I

Unable to delete the .odb file programatically

instance per database and it is closed. The problem may indicate that your application creates multiple

Does "error 522" (connect timed out) have something to do with restrictions despite license activation?

I've been trying to save a class with nested foreign keys, using a db inside an EC2 with Server license I hope I activated. It successfully saves simple classes, but it's not as easy as classes with multiple foreign keys. Indeed, it returns the following error: Failed to connect to server 35.181

Retrieving Metamodel without connection

Hello! I use Spring Data JPA. It uses the Metamodel to create repository beans. This triggers a connection to the ObjectDB server. It happens on every start of the Context. If it fails the application isn't available at all. I had the situations multiple times that my database server took longer

ObjectDB's Database Doctor Incorrect Error Report

documentation that states that the OS may combine multiple IO requests, so indeed, perhaps the 4 64KB ObjectDB

LazyInitialization / join fetch

that carries the tabla Items . Being a company that has multiple items , a user charge

Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities

that is scoped to a single transaction or an extended lifetime that spans multiple transactions

com.objectdb.o.InternalException: null

. Please report if this issue happens again. Improving ObjectDB so it will be able to handle multiple

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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