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3

Pooling of EntityManagers

first level cache) because it's likely that they might be changed from different threads or sessions
3

Problem upgrading

.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:122
3

Eclipse plugin problem (using ObjectDB as a separate bundle)

with no Investigations. The console includes: !SESSION 2011-07-13 23:37:23.812
3

Changing from client server to embedded mode

of the database file (from the client-server session) on your computer (under objectdb/db), you can also use
3

migration path from JPA / Hibernate

in a few days). If your application uses old Hibernate API / extensions (e.g. Session instead
2

What are the steps of creating small web app?

Hello guys, I have a question about creating small new web application, I am almost done with researching and studying and I have covered all the important concepts e.g. # Starting from web technologies: HTML, CSS, JS, JQuery. # Moving to Java Technologies: Core Java, Servlet, Managed Beans, JSF
2

General Performance Issues Illustrated with a Specific Method

.phsp.bean.CommonController; /** * * @author buddhika */ public class ClientBasicData
0

Monitoring and Performance counters

last start - caches hit rate - total sessions from clients - memory usage (for heap space tuning
0

ArrayIndexOutOfBoundsException on flush

.lang.reflect.Constructor.newInstance(Constructor.java:513) at org.springframework.beans.BeanUtils
0

File lock exception on odb$

(Constructor.java:513) at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:100) ... 32

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