Dear my friends... I can not connect to my Adabas D over JDBC. This is the first try for me with Java, JDBC and Adabas D. I got the error message : Exception in thread "main" java.lang.NoClassDefFoundError: konek Please tell me why. Please.... Here I have done: sag@susefujitsu:~/arsip> export DBROOT=/usr/sag/aad/v1201 sag@susefujitsu:~/arsip> set CLASSPATH="/usr/sag/aad/v1201/lib/adabasd.jar:/usr/sag/arsip/adabasd.jar" sag@susefujitsu:~/arsip> whoami sag sag@susefujitsu:~/arsip> ls -la /usr/sag/arsip/adabasd.jar -rwxrwxrwx 1 sag users 108944 2002-06-27 18:09 /usr/sag/arsip/adabasd.jar sag@susefujitsu:~/arsip> ls -la /usr/sag/aad/v1201/lib/adabasd.jar -r--r--r-- 1 sag users 108944 2002-06-27 18:09 /usr/sag/aad/v1201/lib/adabasd.jar sag@susefujitsu:~/arsip> chmod +777 /usr/sag/aad/v1201/lib/adabasd.jar ag@susefujitsu:~/arsip> java -classpath /usr/sag/aad/v1201/lib/adabasd.jar konek Exception in thread "main" java.lang.NoClassDefFoundError: konek sag@susefujitsu:~/arsip> The error message is still the same. And here is my code: import java.sql.*; public class konek { public static void main(String[] args) { System.out.println("Hallo Prabu"); try { Class.forName("de.sag.jdbc.adabasd.ADriver"); } catch (ClassNotFoundException e){ System.out.println("JDBC driver for Adabas D not found"); }; try { java.sql.Connection con = java.sql.DriverManager.getConnection("jdbc:adabasd://127.0.0.1/MYDB", "control", "adabas"); } catch (java.sql.SQLException e) { System.out.println("Error " + e.getErrorCode() + " " + e.getMessage()); } } } Where is the mistake? Please help me. __________________________________ Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! http://sbc.yahoo.com