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5

can removing an entity throw an exception if the entity is in use?

responsibility to avoid delete operations that may cause dangling (broken) references. The ObjectDB Doctor
5

Online backup with JDO

Hi, I would like to try the Online Backup tool as I am making backups up to now with the not encouraged file-copying method while the database is online. So my first question is to this file-copying. I've read at the Database Doctor that copying the db file while it is online may cause corrupted DB
5

Failure after ObjectDB 2.4.5_07 upgrade from 2.4.4_06

the problem. Please check the database with the ObjectDB Doctor. Check also if returning to 2.4.4_06 solves
5

JPQL keyword in entity - what to do?

run Doctor before test, after changing odb version. lwalkowski Lukasz Walkowski Thank
5

JDO @Index in JPA?

class that already has non indexed instances stored in the database - use the Doctor to rebuild
5

NegativeArraySizeException on commiting a transaction

Hi, we started to get a java.lang.NegativeArraySizeException from ObjectDB upon changing an object in the DB and committing the transaction. I tried to repair the DB file with Database Doctor, but the same error is happening also on the fixed DB file. Btw. during fixing the DB file an Internal
1

merger missing in log

, but the exact cause is unclear. If possible please check the database using the Doctor and report any errors. support Support
1

ObjectDB 2.8.7

Added an option to slow backup (see feature request #2681). Added an option to view old type versions in the Explorer (-Dobjectdb.ui.debug=true) Improved the Doctor (see issue #2691). Improved performance following a large eager fetch (issue #2694). Restricted waiting time on closing a database
1

ObjectDB 2.8.9_06

Added a new Doctor.run(srcPath, dstPath) static method.
1

ObjectDB 2.8.3

false alarms by the Doctor. Fixed a deadlock (issue #2512) on closing EntityManager and its factory

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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