ObjectDB ObjectDB

Internal Website Search

51-60 of 200 resultsRefresh
69

doctor error message after database getting page errors

system with around 40 GByte free RAM (database is around 37 GByte) ends up with a heap exception see attachment we had to transfer the database to an osx pc, doing the doctor shows: Page Relation Errors -------------------- [1] Free page list is broken Here is a link for the corrupt database: https://www
69

Master database switching to read-only mode, possibly caused by slave failure

We had a database failure causing a production outage. Both master and slave databases have failed ... database failed first and possibly caused the master to switch to read-only mode. The sequence ... - MASTER instance stopped responding to write requests. All requests sent to the database during 3
69

InternalError on query of empty database

Hi, I have reasons for sometimes trying to query the database before anything has been created. The problem is the database throws a InternalException when that happens. Is it possible to throw ... the database about its current schema? Thanks P. pedwards Paul Edwards Sure. Usually a more appropriate
69

Shrinking Database Files

would be with Database Doctor. Is there a way to reclaim database file space? Is it worth trying to reclaim ... context to propose an answer.) CBE CBE ObjectDB reuses space of deleted objects but the database is never resized to a smaller file. Currently the only way to make the database file smaller is to run
69

Using the wrong class to access a database

the Point database described in the Getting Started section: package com.objectdb.tutorial ... if I can access the database from here. This program is almost the same as the first; it only calls ... are working fine, but the third ruins the database: - The number of entries is zero. - running the app
69

ObjectDB's Database Doctor Incorrect Error Report

. Looking at the database with ObjectDB's Database Explorer though seems to show that the reference ... Repair is attached. So are the two databases and screenshots of Explorer showing the reference to the object and the existence of the object. CBE CBE There is indeed a problem with this database file
69

Database Inconsistency or corruption

entity. 2-) Problem Description I initialized the database with some ObjectValues. Persisting new ... the ObjectValue from the database, all values are lost. ObjectValue ID:=100, TYPE:=Person, REVISION:=2 ... , since you will get the update applied on the database, and after loading the up to date data from
13

Database File Compression

ObjectDB database files are usually smaller than database files of other Database Management Systems (object databases and relational databases) but additional internal compression is still possible ... . So the effect of using compressed ObjectDB database file on performance is unknown yet. support Support
13

Error in production. Failed to commit transaction: Unexpected database state: BTree -152 is not found

.0_25 (on Linux 3.11.0-12-generic). Please report this error on http://www.objectdb.com/database ... .Read .doGet (115 ): Failed to commit transaction: Unexpected database state: BTree -152 is not found ... database state: BTree -152 is not found (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:302
2

Step 3: Add a Main Class

to store Point objects in the database and then retrieve them from the database. Use copy and paste ... [] args) { // Open a database connection // (create a new database if it doesn't exist ... (); // Store 1000 Point objects in the database: em.getTransaction().begin

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support