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73

multiple different applications access one odb file

Hi, is it possible to access one odb file from different applications? What we would like to accomplish. We have one app (runs on Wildlfy server) and it uses xyz.odb DB file. The other two apps ... connects to the odb file, could it be adapted to make queries to the database. The customer
73

Logging archive contains non-objectdb log files

Hi, I'm dealing with problem, that objectdb's log archive folder contains several other log files which are not part of objectdb. We use single location for our application log files and also objectdb log files. When application crashes or retarts, we noticed that several of our log files reside
73

Using a file extension other than .odb

a parameter ending in .odb as a file name rather than a persistence unit name. It makes opening a DB in my app as easy as selecting it from a file chooser. However, I wish that I could use a file extension ... string beginning with "file://" could be treated this way. Edit: Or maybe better, provide the non
72

Failed to write to ObjectDB log file

I get an Error message: Failed to create a new file 'file:C:\Programme\Cytoscape_v2.8.3\plugins\log ... to create a log file at the default path. Possible solutions: Change the location of the log files ... specifying empty path. Then, zipped back into objectdb.jar file. Now it works fine. Thanks! marcins Marcin
72

Object explorer cannot open odb file. ObjectDB many-to-many relationship

file is created (in attachement) but I cannot open it with ObjectDB Explorer (Message: "Cannot open file 'demo.odb' null"). Note: I'm using Windows 7 64 bits. jdk1.6.0_27. ObjectDB doctor did not find any anormalie in the file I found the following log file: java.lang.NullPointerException at com
14

Can't open DB-file with explorer, but from within my code it works

): 1) my recent db-file, created with the old-version, has been copied to the local db-folder of the new version automatically 2) But I can't open the db-file with the objectDB explorer ... to construct an instance of java.lang.Object using a no-arg constructor. 3) But I can open the db-file
14

Getting an error when adding activation code to conf file

Hello, When I add an activation code to my objectdb.conf file, I get the following exception ... my configuration file, I get: Exception in thread "main" [ObjectDB 2.7.5_05] javax.persistence ... code. I am adding my activation code to my config file as such: <database> <size initial="256kb" resize
14

ObjectDB tries to create a File in a localtion without write access

Hello, if we install our Product into the windows Program Files directory which have by default ... : Failed to create a new file 'IndexManager_12.mrg_filter' at com.objectdb.o._PersistenceException ... .g(JPE.java:78) ... 25 more Caused by: com.objectdb.o.UserException: Failed to create a new file
14

Database File Compression

ObjectDB database files are usually smaller than database files of other Database Management ... . Usually smaller files are also faster because less I/O operations are required and memory cache ... . So the effect of using compressed ObjectDB database file on performance is unknown yet. support Support
14

user defined backup file

: backupQuery.setParameter("targetfile", new java.io.File("/User/Backup/test.objectdb ... .setParameter("targetdir", new java.io.File("/User/Backup/")); wich should create a backupfile ... an empty temp directory, scan the backup directory for a newly created backup database-file (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.

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