When the server is launching, we can see the messages in the console. Next, after a undetermine time, the System.out.println() not send message in console any more.
Log4j too but It sends nice in defining log file.
The System.err.println() is always displaying.
WebSphere: 6.0.1 on VMWare
No problem with Websphere 5.x !!!!
Thans a lot for your answer.