ObjectDB ObjectDB

Internal Website Search

91-100 of 200 resultsRefresh

Soft Reference Object Cache Recommendation

until the Java Virtual Machine (JVM) does a full Garbage Collection (GC) when heap RAM gets low ... when the JdoBlob2 gets deleted. I use JavaVirtualVm to look at my application heap to see the references to the byte ... that if I delete the JdoBlob2 via persistenceManager.deletePersisted(jdoBlob2) then the memory gets

JBOSS AS7 7.1.1 - Entity not persisted and createNamedQuery fire exception

.deployment] (MSC service thread 1-1) JBAS015876: Starting deployment of "Guestbook.war" 09:40:30,624 ... ] (MSC service thread 1-4) MSC00001: Failed to start service jboss.deployment.unit."Guestbook.war ... .DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:119) [jboss-as-server-7.1.1.Final.jar:7

server.exe on 32bit and 64bit Windows

Is the server.exe compatible to start the objectdb server on Windows 64bit OS? Or 32bit ... The problem is that it cannot start because it cannot find the jvm on the 64bit install Java 7 ... -cp "objectdb.jar" com.objectdb.Server start The OS is Windows Server 2008 R2 64bit Have you tested

Occasionally slow requests in load testing

, however there are quite a few "spikes" in the performance where we are getting a lot of very slow ... again and could see that it gets stuck in 3 different places, which are all different from last time ... has started (picture also attached), but after that IO looked normal. As before, this is a constant load

Query becomes slower on moving from ObjectDB 1.x to ObjectDB 2.x

, with object 1.x, the same query was getting executed within an seconds and now the same is taking around 40 ... , still it is taking the same amount of time. 11-Sep 14:55:58 ERROR [JDORepository.retrieve:482] Start Time : class ... .retrieve:484] End Time Time 11-Sep 14:56:34 ERROR [JDORepository.retrieve:482] Start Time : class com

Internal error

.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131) at org.eclipse.jetty.server.Server.start ... .AbstractLifeCycle.start(AbstractLifeCycle.java:68) at com.spiffymap.naviupdate.server.Runner.main

Unexpected error when loading all entity instance

and start over After a while and a lot of queries we get the above exception. Thanks Markus Ritter ... what I did already. But after adding new ChangeSet instances it gets corrupted all the time. So I repair ... . Could you please provide a program that can demonstrate this corruption, i.e. starts with a valid database


" event gets fired whenever a persistence-capable class is loaded and gets registered ... of a persistence-capable class. Since: JDO 1.0 void registerClass( RegisterClassEvent event) This method gets called when a persistence-capable class is registered. This method gets called when a persistence


call is made Since: JPA 2.0 boolean getCopyOnAttach() Gets the copyOnAttach setting. Gets the copyOnAttach setting ... object for EntityManager Since: JPA 1.0 boolean getDetachAllOnCommit() Gets the detachAllOnCommit setting. Gets the detachAllOnCommit setting. Returns: the detachAllOnCommit setting. Since: JDO 2.0


flag (see Transaction.setRollbackOnly). Since: JDO 2.0 boolean getCopyOnAttach() Gets the copyOnAttach setting. Gets the copyOnAttach setting. Returns: the copyOnAttach setting. Since: JDO 2.1 ... Since: JDO 2.0 boolean getDetachAllOnCommit() Gets the detachAllOnCommit setting. Gets

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support