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11

InternalError on query of empty database

Hi, I have reasons for sometimes trying to query the database before anything has been created. The problem is the database throws a InternalException when that happens. Is it possible to throw ... the database about its current schema? Thanks P. Sure. Usually a more appropriate exception is thrown in
Forum
11

Is ObjectDB the only object database that supports JPA?

Other Object database doesn't support JPA?   JPA is designed as an API for Object Relational Mapping (ORM), so many JPA features cannot be supported by regular object databases. For example, user defined primary keys and composite primary keys are features of RDBMS (relational databases
Forum
11

ObjectDB's Database Doctor Incorrect Error Report

.  Looking at the database with ObjectDB's Database Explorer though seems to show that the reference ... and Doctor Repair is attached.  So are the two databases and screenshots of Explorer showing the reference to the object and the existence of the object. There is indeed a problem with this database file
Forum
11

Performance with large databases

When populating a large database (10s of GBs) performance drops suddenly at a certain time whenever I run the populating application.  Is there typically a database size when indexes can no longer ... the database size and the available RAM. As long as the available RAM is larger than the database
Forum
11

Shrinking Database Files

would be with Database Doctor. Is there a way to reclaim database file space? Is it worth trying to reclaim ... context to propose an answer.) ObjectDB reuses space of deleted objects but the database is never resized to a smaller file. Currently the only way to make the database file smaller is to run
Forum
11

Using the wrong class to access a database

the Point database described in the Getting Started section: package com.objectdb.tutorial ... if I can access the database from here. This program is almost the same as the first; it only calls ... are working fine, but the third ruins the database: - The number of entries is zero. - running the app
Issue
11

500Mb ObjectDb database opening issue

Hi, I have observed that 500 Mb objectDb database opening time is very slow (~3 seconds ... any way to speed-up open time for big databases? Definitely, it's too long for 500 Mb database ... with ObjectDb databases which may have size more than 5Gb and opening database time
Forum
11

can't get HashMap out of the database

I'm trying to persist an Entity containing a HashMap. It stores the data in the database OK, but the map is always empty when I get the entity out of the database again. I've reproduced this problem ... stored in the database. The updated project attached. Regards, Natalia. You are right
Forum
11

Database crash

after reading the database file   File:   ------------------------------------------------------------------------------------------------------------------------ [2017-07-10 11:22:12 #1 store] Database 'F ... ] Server on port 3333 has started by 10380@wzbhb101 [2017-07-10 23:06:55 #3 store] Database 'F
Issue
11

InternalException in Database Doctor

Database Doctor has thrown an InternalException right after starting to diagnose or repair my DB file. The version of the Doctor used was 2.6.9_06. The stacktrace below:   Scanning the database ... ). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException