I am using JPA with openjpa implementation beneath, on a Geronimo application server. I am also using MySQL database. I have a problem with updating object with nullable Date property. When I\'m t开发
I\'m new to开发者_C百科 JPA/OpenJPA and I noticed that if I don\'t call EntityManager.clear() after i persist entities I get an OutOfMemoryError (I keep adding new entities in a loop). I\'m not sure i
I try to develop JPA project on ibm RAD. And i can run it on Webpshere successfully, but the problem is my machine is quite old. So deploying in Java EE container isn\'t
I\'m using OpenJPA in my app开发者_StackOverflow中文版lication as a JPA vendor. The question is theoretical or conceptual:
Please best practice and \'how to\' for using enum with jpa as a data member of persisted entity. what is the best pra开发者_开发问答ctice?
How do you enable 开发者_运维技巧debug logging for OpenJPA when running an application in WebLogic 11g?I tried the steps given by Logging JPA SQL with Weblogic 10.3, but no OpenJPA log statements appe
I have banged my self with a very particular problem. Using OpenJPA (KODO 4.1) is there a way to use more than one column as a discriminator column?
I\'m having an issue with a SELECT NEW query. Query q = em.createQuery( \"SELECT NEW com.bcbst.odstats.ejb.RangeStats(a.folderName, SUM(a.hits)) \" +
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