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Doctor fails to run when running in parallel on more DB files.

We've got this exception, when running DB Doctor in parallel on multiple DB files. com.objectdb.o.UserException: Attempt to open a non existing file './tmp.E3Mwf13d7o/objectdb_7666012114926572695 ... &\ For us the solution seems to use different tmp directory for each file, but it still this looks

setting activation code in persistence.xml or env file or system properties

file - or system properties dmoshal David Moshal These options are not supported. However, you can embed the configuration file with the activation code as a resource, e.g. by replacing the objectdb.conf resource in the objectdb.jar file. support Support

Storing XML files in ObjectDB

Hello, Is it possible to store XML files in ObjectDB? Thanks st.clair.clarke St Clair Clarke ObjectDB can be used to store any type of data including XML. For example, you can define a generic ... per element type. You can also store an entire non parsed XML file as string or byte[] in one entity object. support Support

Schema or odb file compare

Dear Support, is there a way to compare two schemas or odb files? I try to compare two object graphs Thx wua Andreas Wurm This is currently not supported, but you may file a feature request if you need this ability (describing what exactly you expect from this new feature, and how it should work). support Support

_UserException: Attempt to open a database file '...' that is currently in use

while running the jar file in command line and I got this exception which I have it stack attached ... that the database file is closed by one run before another attempt to access it by another run, or use client-server mode. support Support

Best File system for objectdb

Kadir BASOL We have no such comparison data so we cannot recommend one file system over the other, but apparently the effect of the file system is expected to be small compared to other factors (disk speed, cache size, etc.) support Support

Enhancer failure: Failed to process class file of type

Stack trace below: [ObjectDB 2.7.1_02] Failed to process class file of type 'app.model.ClientSession' (error 422) com.objectdb.o.UserException: Failed to process class file of type 'app.model.ClientSession'         at com.objectdb.o.MSG.d(MSG.java:75)         at com.objectdb.o.JEL.A(JEL.java

Failed to create a new file 'target\objectdb\log\archive' (error 112)

Hi, we are using ObjectDB 2.4.6_10 (embedded mode). The pre-registration of a data type (see below) fails because ODB can't create a new file in a non-existing folder hierarchy. The user ... to create a new file 'target\objectdb\log\archive' (error 112) [11:47:18]: [com.rbccm.felix

How to check what is taking most space in DB file

Hi, we are using Object DB for quite a while. And some of our DB files are growing to bigger sizes that we would love to. We started to deleting Entity instances which we don't need anymore ... out which entities occupies biggest portion of file space? For example, to be able to see how many space individual

Exception Failed to read from file

Hello, we have found several these exceptions in our log [ObjectDB 2.5.0_06] javax.persistence.PersistenceException Failed to read from file 'C:\SafeQORS\server\cache\MainORSCache.odb' (error 117 ... .UserException: Failed to read from file 'C:\SafeQORS\server\cache\MainORSCache.odb' at com.objectdb.o

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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