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forum_thread

Cache usage

after a runtime of several weeks we are now analyzing the usage of the cache and so on. Looking at the heap dump we suspect that the cache is really used (see heap dump attached), the RAM allocated by objectdb is much less than we would expect. The database file has around 25 GByte of size and there is heavy traffic of around 400 clients communicating permanently via webSockets to the objectdb. The config is attached as well. The question is: is the cache really used ? #1 2017-03-22 18:10 after a runtime of several weeks we are now analyzing the usage of the cache and so on. Looking at the heap dump ...

 
issue

InternalException

  ... exception (Error 990) Generated by Java HotSpot(TM) Client VM 1.6.0_25 (on Linux 2.6.32.12). Please report this error on ...

 
issue

NPE when doing a find()

I added a simple User entity during Tomcat startup: class User {  @Id @GeneratedValue private long id; @Basic(optional = false) private String firstName; private String middleName; @Basic(optional = false) private String lastName; } Everything works fine until I restart the server, which does a em.find(User.class, 1).  Then this happens: ... (Error 990)   Generated by Java HotSpot(TM) Client VM 1.6.0_21 (on Windows 7 6.1). Please report this error on ...

 
issue

Unexpected exception (Error 990)

Exception is thrown on commiting a transaction using this code: transaction.begin(); try { repository.setStatus(ImportStatusFlag.RUNNING_IMPORT); repository.setImportProgressMessage("Importing..."); //$NON-NLS-1$ repository.setImportProgressPercent(0); transaction.commit(); } finally { if (transaction.isActive()) { transaction.rollback(); } } "repository" is a Entity in database. Stracktrace as follows:   ... as follows:   [2013-08-21 11:54:27 #29 client] [ObjectDB 2.5.1_02] Unexpected exception (Error 990)   Generated ...

 
issue

com.objectdb.o.InternalException

No idea what happened.  A simple getResultList() opearation. DB table affected size is ~ 26000 records, physical DB file size is ~ 8.5MB Thanks for any help ! Leon log file: ------------------------------------------------------------------------------------------------------------------------ [2016-07-13 19:58:12 #1 store] Database '/home/gsi/wdsync/db/Media_wdsync.odb' is opened by 12659@server ... exception (Error 990) Generated by Java HotSpot(TM) Client VM 1.8.0_91 (on Linux 3.10.96-151). Please report this error on ...

 
issue

Add Type level permissions to ObjectDB Server

It would be useful if instead of creating a web service layer on top of a database, I could just set up permissions to entities and entity variables for client connections. This would be beneficial when providing specific raw data where additional business logic is not required. I suppose you could create transient entities for data that does require additional business logic though. ... set up permissions to entities and entity variables for client connections. This would be beneficial when providing specific raw data ...

 
api-jdo

getServerDate()

Get the Date as seen by the server.(Method of javax.jdo.PersistenceManager)

 
forum_thread

An InternalException occurs when gets an result list

[ObjectDB 2.6.4_04] Unexpected exception (Error 990) Generated by Java HotSpot(TM) Client VM 1.8.0_51 (on Windows 7 6.1). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: java.lang.NullPointerException: null java.lang.NullPointerException at com.objectdb.o.VAR.S(VAR.java:297) at com.objectdb.o.VAR.R(VAR.java:259) at com.objectdb.o.SYR.y(SYR.java:515) at com.objectdb.o.QRC.x(QRC.java:192) at com.objectdb.o.QRM.Vm(QRM.java:272)... exception (Error 990) Generated by Java HotSpot(TM) Client VM 1.8.0_51 (on Windows 7 6.1). Please report this error on ...

 
forum_thread

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

Hello All, ... in a production 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. ...

 
issue

[ObjectDB 2.2.6_02] Unexpected exception (Error 990) at com.objectdb.o.OBC.aJ(OBC.java:961)

I was experiencing an exception so I did a test to reproduce it.   here it is. ... exception (Error 990) Generated by Java HotSpot(TM) Client VM 1.6.0_17 (on Windows XP 5.1). Please report this error on ...