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65

Open several objectdb databases the same time

We tried to open objectdb databases from application and got following error: Attempt to open a database file 'D:\tmp\PAT-707\TC_9_2_3_1_8b@2015-09-17_12.08.15\TC_9_2_3_1_8b@2015-09-17_12.08.15.pa3 ... ) Caused by: com.objectdb.o.UserException: Attempt to open a database file 'D:\tmp\PAT-707\TC_9_2_3_1_8b
65

Corrupted Database or error in ObjectDBExplorer?

Hello, we have problems when we open our Database file with the ObjectDB-Explorer (2.6.8_b8 ... the Database-File? An analysis with the DB-Doctor found no problems. We observe the error if we try to open ... " -> the expected Ids, but null for the class any ideas? btc_es BTC EmbeddedSystems The data in this database
65

Drop the entire database, Change the schema

I am trying to port and example app to ObjectDb. As part of the tests I drop the database ... to do this with ObjectDb, or is the only way to delete the database file everytime? Thanks JFK John Francis You can delete the database file (and associated files if any) using your code, e.g.     new File(path
65

Database is erased after deploying a new web application version

) and deploy it from Tomcat's manager, I get a new empty database. I assume there is a way (possibly a simple one) of keeping the existing database and avoid this "database reset". If that's true, I'll be glad to hear about such a solution. Thanks in advanced, Yotam. Yotam Yotam Boaz Where is your database
65

Queries are slow on a large database

Hi, I have a 12GB database with 787603 entries. It is much larger than usual ... have to scan the entire database file and is not using indexes. Therefore I think I am not doing ... . If you add a new index to an existing database use the Doctor to create a new database in which the index
13

Corrupt database page

Hello, we have encountered an issue, where a page of the database became corrupt. We are wondering ... . All rights reserved. Scanning the database file... ........................ 193MB (total) Analyzing database structure... 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% BTree Value Errors
13

JPA Persistable Types

The term persistable types refers to data types that can be used for storing data in the database ... can be stored in the database directly. Other persistable types can be embedded in entity classes as fields ... persistent fields would cause data duplication in the database. Entity Classes An entity class
13

database corrupt

the database using the Doctor to get the system back in operation. In the long term, we can try working ... and you will be the first customer (to the best of our knowledge) to abandon ObjectDB because of database corruption issues ... Support first of all, we love your database, but on the other hand we want to get rid of this kind
13

Can't open replicated database

I have a database running in server mode on port 6136 on server1 and server2. Each server has a replicated copy of the other servers database. I try to open the replicated on one database for a query ... this may be related to the initial empty state of the database. I inserted a few rows into the databases
13

InternalException - error reading field from "queue" database

I trying to use an objectdb database as a persitent queue but have started getting the following ... a copy of the database which is causing problems. Its 83MB so I cant upload it but you're welcome ... . Running the database through Database Doctor reported no errors. When I try to access this database

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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