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Wonseok Kim

Wonseok Kim is a senior developer at TmaxSoft, South Korea. He works on the development of Tmax Application Server - very popular in Korea. He has been participated in JCP such as JSR 244 (Java EE 5) and JSR 220 (EJB 3.0). He is also a contributor to GlassFish project. Prior to Java EE he had developed NMS and OSS systems for telecommunications in Java. Now he has concerns primarily on EJB and persistence technologies and is working on them.

 

Weblogs

I would like to get feedbacks about
application-scoped and module-scoped resource/EJB references (in
java:comp/env) which are being discussed in...

I plan to attend JavaOne this year again.

Recently I've implemented two minor but useful features for TopLink Essentials(TLE) v2 b54(or...

TopLink Essentials 2.0?


TopLink Essentials(GlassFish JPA implementation) now come to have a new
version 2.0. But, don't be surprised, this is just versioning change from 9....

JMS provides powerful asynchronous communication, but it is message-oriented and doesn't support InputStream/OutputStream at all. So it is nearly impossible to send a large file without loading it...

In Java Persistence API, Embeddable class is used to represent composite primary key or share common columns between entities. But when sharing Embeddable classes, you should be cautious whether...

Previously I bloged about How to use Java Logger in Java SE mode - a workaround to change logger type. But...

Introduction

The hype of JPA has slowed down and time has come to apply this to real applications.

TopLink Essentials(GlassFish JPA RI) can be used also in Java SE mode as you know. I will talk about how to change the default logger to java logger in this article.

When you use TopLink...

On 8 July there will be JavaOne 2006 wrapup seminar in Seoul hosted by Sun and Korean community JCO(Java Community Org...

This year JavaOne finished and it left lots of information which will be useful for a long time. As I review it I arranged technical sessions related to EJB 3.0 and Java Persistence. Here I write...