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1

Listing large number of complicated objects with paging.

Hi, For last few hours I was working on a problem with bad performance and memory problems with such a simple query: select prod from Product prod order by prod.id ASC Right now I have 55541 'Product' (attached to this post) entities in database and I'm trying to speed listing them with paging
Forum
1

Maven repo down?

  http://m2.objectdb.com/com/objectdb/objectdb/ ... No go     Same for me... The Maven server was moved now to the new host and should work again. It may take, however, a few hours for the DNS to be updated. anahata mimac
Forum
1

Mismatch client-server protocol prefix

Hello! We migrated one of our legacy webservices to Spring Boot/Spring MVC. Now i have a strange problem. At first the app runs perfectly for a couple of hours. After that it stops working and I get the following exception: 2015-06-17 01:16:28.450 ERROR 25197 --- [ajp-nio-8053-exec-4] o.a.c.c.C
Forum
1

ObjectDB CRUD Examples

to start... Please consider reading the entire manual. It would probably take several hours but may save
Forum
1

ObjectDB shuts down

Hi, we have a problem with OBjectDB shuts down every few days, sometimes every day. It always happens in the morning ie. after several hours of inactivity although we are not sure if this is the reason. Last night we maintained constant activity during the whole night (user were frequently using
Issue
1

Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct)

with EclipseLink, and it has once again taken many hours of my time. Please attend to this as soon as
Forum
1

Possible issue with timestamps

. All other hours seem to be fine. Thankfully if I do: select c from CDI c where c.creationDate > :startDate and c
Issue
1

Server out of memory exceptions

it consistently though as it worked ok for a hour on a subsequent rerun. I'll let you know if I ever pin
Forum
1

Session lost

hi team we are implementing a web application based on the Liferay, system database is handled by JPA 2.0 and entity manager. when system is idle for a long period (for example 8 hours) the Session in the Persistance Context will be lost and the DB will be out of the access, is there any possible
Forum
1

Should I use ObjectDB and JDO?

several years with Objectdb. I have also spent many, many hours over many years comparing DBMS products going