X42000:-206:Base table not found

Hi, I 'm trying to write an applet to access the Informix IUS server which is sitting on a SGI machine. Unfortunately, Informix don't have any native Java driver for SGI machine only on NT or SUN platforms.(If I am wrong, please correct me! and where can I find it, thanks) So I need to write a RMI server on NT to talk with database server on SGI machine by using data Director for NT. The problem is when a RMI Client try to connect to the RMI server, it always popup an error message from libMI X42000:-206:Base table not found This doesn't happen on the first client who connect to the RMI server. After I click on the OK button of the error message box .. everything works fine. Is there anybody know what is this error message means ? and how to resolve it . the following are the codes I used to connect to the ius. directCredentials = new DirectCredentials("dbname", "username", "systemname", "password"); con = directCredentials.connection(); con.open(); Thanks in advance Wing