JPOX

Hi, I've been introducing myself to JDO using JPOX and am delighted. At present, though, I'm both delighted and confused. The current JDO2 snapshot jar (jdo2-api-20071206-SNAPSHOT.jar) does not contain a @FetchPlan annotation class, but does ... [More] contain the javax.jdo.FetchPlan interface. The documentation (http://www.jpox.org/docs/1_2/jdo/annotations.html#FetchPlan) shows what I'd like to ... [Less]

I have a persistent graphic class named A. It contains its position values in a panel. There are two options for the class, either having a subclass to maintain the (x,y) value or having two int value within the class. My questions is that if the ... [More] first option would have the worse performance than the second one, because it will access two tables in the database to get the position value. Many ... [Less]

Hello Following this guide: http://www.jpox.org/docs/1_2/tutorials/eclipse.html i installed JPOX support. As far as i can see, it works as intended on java projects. I have the posibility to add JPOX support. The problem is, i want to add ... [More] the JPOX support to a dynamic web project i am working on. When i right click on the web project theres no option to click on JPOX, only JPOX ... [Less]

I am a newbie to JPOX. Is there equivalent functionality in JPOX to match BEA Kodo 4.1.4 functionality of its HTTP Persistence Server (primary) or Standalone Persistent Server (secondary) as specified in 11.2 Remote Managers in Section 6. JPA/JDO ... [More] Reference Guide of Kodo documentation? If not, are there open-source 3rd party tools to which it can be integrated to achieve the same multi-tier ... [Less]

There seems to be a memory leak in Query.execute. I have tested with the nightly build from Jan 3 and Oracle 10g. With an old version (28.09.2007) all was ok. With the new build the total memory increases constantly until Java is running out of heap space. I have attached my test case.

I have 2 problems using Map : 1. If I remove/clear elements in a Map containing values not yet accessed in the datastore and after I ask the Map size/isEmpty methods the value I received is not correct (problem with optimistic and pessimistic ... [More] modes). 2. If I ask Map.values() from a Map after removing an element, the values I receive are the ones from the db. I need to receive the values from ... [Less]

I am new to JDO and have a simple question about the PersistenceManager. I've read some examples with regard to JDO and found that all of them use the PersistenceManagerFactory to get a PersistenceManager every time when doing a transaction. I was ... [More] wondering if I can keep only one PersistenceManager instance all the way through the program where many transactions are needed. ranther than get a ... [Less]

How to use the "LIKE" clausule in the JPOX?

When we persist a new jdo object (with inheritance) in an oracle table containing blob type, the post insert call-back is not (correctly?) executed. Blob column in the super class is null (tested with jpox 1.2 beta5 and latest snapshot - Optimistic ... [More] locking) Here is a small test case : [code]public class TestFile { private byte[] data; public TestFile(byte[] data) { ... [Less]

Hi! It seems JPOX 1.2.0beta5 generate wrong SQL statement (see exception belown)which used to be fine with 1.2.0beta4 but now break in 1.2.0beta5 and 20071229 nightly build. My database is Postgresql 8.2.5.1 using jdbc ... [More] postgresql-8.2-507.jdbc3.jar Caused by: javax.jdo.JDODataStoreException: Get request failed : SELECT FROM role_priviledgemap this INNER JOIN priviledge ... [Less]