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tutorial

Step 1: Install BIRT and ObjectDB Driver

Explains how to install the BIRT and ObjectDB Eclipse features/plugins.... regarding matching the driver version to the ObjectDB server version when using client-server mode. The next step is creating a BIRT Report project . ...

 
issue

evalution limit error on digital ocean ubuntu

Trying to run the code on Digital Ocean Ubuntu instance. Generated license and set key in objectdb conf file. It gives below exceeds evaluation error when we try to run the code. Caused by: com.objectdb.o.UserException: Too many persistable types (>10) - exceeds evaluation limit at com.objectdb.o.MSG.d(MSG.java:61) ~[objectdb-2.5.4.jar:na] at com.objectdb.o.MST.UC(MST.java:1090) ~[objectdb-2.5.4.jar:na] at com.objectdb.o.WRA.UC(WRA.java:213) ~[objectdb-2.5.4.jar:na] at com.objectdb.o.TYS.x(TYS.java:768) ~[objectdb-2.5.4.jar:na]... 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.8.0_05 (on Linux 4.4.0-53-generic). Please report this error on ...

 
issue

Deadlock

Hi, Query: SELECT DISTINCT $1, UPPER($1.name) AS $O0, UPPER($2.lastName) AS $O1 FROM com.lexware.vereinsverwaltung.verein.mitglied.Mitglied $1 LEFT JOIN $1.profile $2 WHERE (($1.getClass().getName()='com.lexware.vereinsverwaltung.verein.api.model.mitglied.Mitglied')) ORDER BY $O0, $O1 --> Causes deadlock in server latest revision (> 120% cpu forever) Use one of my latest dbs for testing ... BY $O0 , $O1 --> Causes deadlock in server latest revision (> 120% cpu forever) Use one of my latest dbs ...

 
issue

InternalException

  ...   [2012-08-11 14:39:54 #127 server] [ObjectDB 2.4.2] Unexpected exception (Error 990) Generated by Java ...

 
forum_thread

native sql queries

Is there a way to run native SQL queries in ObjectDB? I would guess 'no' since it is an oodbms, but I did not find the answer in the documentation. An attempt: Query q = em.createNativeQuery("select * from person"); Result: ... exception (Error 990) Generated by Java HotSpot(TM) 64-Bit Server VM 1.6.0_21 (on Windows 7 6.1). Please report this error on ...

 
issue

Exception on query

[2014-02-14 11:38:47 #1 *] [ObjectDB 2.5.4] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.7.0_17 (on Windows 7 6.1). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: null com.objectdb.o.InternalException at com.objectdb.o.InternalException.f(InternalException.java:236) at com.objectdb.o.STA.K(STA.java:339) at com.objectdb.o.ENT.E(ENT.java:533) at com.objectdb.o.ENT.N(ENT.java:681) at com.objectdb.o.LDR.F(LDR.java:593) at com.objectdb.o.LDR.E(LDR.java:470) at ... (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.7.0_17 (on Windows 7 6.1). Please report this error on ...

 
manual

Database Management Settings

Explains settings and performance tuning of the ObjectDB Java object database for JPA/JDO.... end (database engine) settings which are relevant on the server side and in embedded mode. The default configuration file ...

 
forum_thread

How to create a Unique constraint?

Hi, I'm trying to create a unique constraint. Here is a simple example: @Entity public class Account { @Id @GeneratedValue private long id; @Index(unique="true") private String name; } The code runs and my Account objects are persisted. But no exception is thrown if name is the same. What do I need to do to have a Unique constraint? Thanks, Carl   ... I tried deleting the database files and restarting the server. Now the Unique constraint works, so the problem is solved. This ...

 
forum_thread

using objectdb.jar in writing data to mariadb or mysql db

Hello All, ... environment is this? Can objectdb handle client - server connections from over 200 users? Can it be efficiently used in client-server mode? Code exmples where possible will be appreciated. Thank ... and can serve 200 or more concurrent connections in client-server mode. ObjectDB Support ObjectDB - Fast ...

 
issue

ObjectDb Doctor : Failed to locate set method for field property com.test.Video$VideoId.sourceId using reflection (error 316)

Hello everyone ! I have just launched the ObjectDb Doctor for testing purposes. But while inspecting my base, the Doctor throws me a strange error : [ObjectDB 2.4.6] Invalid ID class com.test.Video$VideoId for type com.test.Video (Failed to locate set method for field property com.test.Video$VideoId.sourceId using reflection) (error 316) It seems that the Doctor can't find the SourceId, that is a part of my primary key. There is a description of my Video bean :   ... FIY : I can't change the objectdb version in my server. :( edit ...