Dear friend, I use URL : jdbc:informix-sqli://localhost:50000/dbName:INFORMIXSERVER=NameServer driver:ifxjdbc.jar, ifxlang.jar, ifxlsupp.jar, ifxtools.jar, jdbc-4.10.12.jar. But cant connect to db: have err: There was an error on the server. Try again or contact site administrators. (Error UID: b5eb6eee-f5ff-4112-a3ca-990baa188ab2) please help me! Thank alot. MH