ObjectDB ObjectDB

Internal Website Search

71-80 of 200 resultsRefresh

Configuration and Activation Code in ObjectDB 2.x

the odbee.jar file and got the activation code.It is mentioned in the side that i need to use the activation code using <activation> tag in the objectdb.conf file. In 1.x objectDB, we are not using ... Bhaskar Information about the ObjectDB 2.x configuration file is provided in chapter 6

javax.persistence.PersistenceException: No Persistence provider for EntityManager named in Karaf 4.0.7 and OSGi DS test

Hello, I've written a small OSGi Declarative Services application to run in Apache Karaf 4.0.7 to persist an entity into an ObjectDB database. I'm working in C/S model and I have both the ObjectDB ... /technolink.odb;user=admin;password=admin exception in the Karaf log. I have deployed the objectdb

Vacuum - Reclaiming Unused Space In Odb

. 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 ... a sql dump) and reload. Is there a capability in ObjectDb to provide a vacuum? The online backup

Inserted entities with strings as keys and indices needs more and more ram memory in comparing to primitive integers as keys and indices

are sequential and therefore they are stored in sequence pages in the database. New objects with UID primary keys may have to be stored distributed in the entire database file, so a similar transaction may require searching positions in the database and processing much more database pages

How to open a running db in ObjectDB Explorer?

Hi! I've just discovered that I can't see the content of a database while it's in use. Is there any way in which I could do that? It's not nice at all to close the application, copy the db in ... of the data, not the live information. * I forgot to mention that the db is used in embedded mode

lockfiles in client/server mode

the client is attempting to create lockfiles in /tmp/ObjectDB. my account and the tomcat account ... is defined in src/main/webapp/META-INF/persistence.xml with a jdbc URL that looks to me as though it ought to connect to the server rather than attempt to start in embedded mode. i have also tried

Externalising persistence.xml properties in Glassfish?

for your time! Willks William Hello, Why dont you create multiple presistance units in the persistance.xml ... them up if you give the place holder. I know I have tried this in the application.xml and I dont see why it wont ... support to ObjectDB. support Support Well this should do the trick. in your persistance.xml use

Join performance in Objectdb

requested in the posting instructions) it is impossible to see what is exactly the problem. Maybe the id fields in Page and Image are not annotated with @Id or @Index. In that case, executing the JOIN ... in " + elapsedTime +             " milliseconds (" + result + ")");         System.out.println

Removed entities can be found by query in the same transaction

and flushed. The bug was introduced with ObjectDB Version 2.7.4_04, therefore in the moment we are using 2.7.4_03. Unfortunately it is difficult to create an example, because the error only occurs in ... . Apparently the query was directed to the wrong snapshot. Are you sure that this bug exists in 2.7.4

Enum fields are set to null and embeddable enum class does not show in explorer

I switched to version 2.8.2 and now it seems that my enum types are not recognized and the field in ... ! The enum type is also not listed in the explorer. I am talking about an enum class, which implements ... Petzold This has effect, when something in the explorer is edited and saved (with missing enum type in

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