JPOX

I am seeing the wrong results from a clean unzip and normal ant invocation for the jpox-samples-jpa-tutorial-1.2.0-src.zip: runtutorial: [java] JPOX Tutorial with JPA [java] ====================== [java] Persisting products ... [More] [java] Product and Book have been persisted [java] [java] Executing Query for Products with price below 150.00 [java] ... [Less]

Hello, I develop a standalone desktop app with Swing GUI, JDO and embedded database (for now it is H2). It works simply - I have one central PersistenceManager, one active transaction which is active all the time. I get objects from db and put ... [More] them onto GUI, to update I just change attributes and commit/begin transaction. So the model is very simple yet powerful. JPOX works like charm ... [Less]

We are working with a EII vendor whose JDBC driver does not seem to supply the proper metadata to allow JPOX to validate the mappings if datastore identity is used with a strategy where the database assigns the new ids. We have scoured the JDBC ... [More] metadata and can't seem to find a consistent way of being able to determine this fact. What is JPOX looking for in JDBC metadata? Is this dependent on ... [Less]

Hi, i have been looking through the Jpox documentation in the hope of finding an overview of - all error-messages and - an explanation/reference to the documentation of how to avoid the error. Is there any such overview? motivation: the current error messages are often to cryptic (for newbies, no native english speakers, ..) thanks.

hello, i try to enhance my classe with no success. this is my class : " package com.jpox.test; public class Book { private String name = null; public Book() { } public Book(String name) { this.name = name; } } " this is my metadata file : "

Hi, My application was working fine on SVN snapshot from Nov. I guess it is 1.2 beta 5. I upgraded to 1.2.1 today. I got core and rdms jars and now I am getting following error on initialization [code] [JPOX-008005] No available ... [More] StoreManager found for the datastore URL key "". Please make sure you have all relevant plugins in the CLASSPATH (e.g jpox-rdbms?, jpox-db4o?), and ... [Less]

Hello, I try to prevent the user from modifying the object referenced by field F (which is a JDO object) of a JDO object A. This object can only be saved via an EJB method. Thus, prior to calling makePersistent() on the modified object A, I retrieve ... [More] the unmodified version B from the datastore, detach it, replace the object referenced by A.F with the respective object referenced by B.F and then ... [Less]

I've looked in the docs and searched this forum but didn't find any hint... Does JDOQL support a DELETE statement? [code]DELETE MyObject WHERE id == i[/code]

Hello everybody, imagine a datastore with hundreds of thousands of persisted objects. What if I need to iterate over all of them? The Query#execute() methods returns a List which probably results in an "out of memory" exception sooner or later. ... [More] Does JPOX support a reader-like query interface, something like this [code] // create a query which returns a reader while( ... [Less]

[quote]Attempt to get value mapping for field org.jpox.test.A.m when not embedded or serialised - please report this to JPOX developers[/quote] I am using JPOX 1.2.1 with jdk1.5.0_11 and my datastore is MS SQL Server 2005. My classpath contains ... [More] the followig libraries:[list] [*]jdo2-api-20080229-SNAPSHOT.jar [*]jpox-core-1.2.1.jar [*]jpox-enhancer-1.2.0.jar [*]jpox-java5-1.2.1.jar ... [Less]