Java SE (Java Platform, Standard Edition)

Hi everyone
First time in life i have to make a Java program run on HP UX... the program is running perfectly in windows environment..... but when i copy the program to HP-UX and try to run it gives me following error

-----------------End Configuration-------------------------
Exception in thread "main" java.lang.NoClassDefFoundError: java/sql/Savepoint
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$1(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.ja
va:468)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:314)
at java.sql.DriverManager.getConnection(DriverManager.java:517)
at java.sql.DriverManager.getConnection(DriverManager.java:177)
at StatInterface.main(StatInterface.java:58)

I can guess that this has something to do with Class path or java home... i even don't know how to set paths in HP-UX

can u ppl help me?

Following are the details

OS Version = HP-UX rpsvr02 B.11.11 U 9000/800 (ta)
JVM = java version "1.3.1.02" Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1.02-011206-02:17) Java HotSpot(TM) Server VM (build 1.3.1 1.3.1.02-JPSE_1.3.1.02_20011206 PA2.0, mixed mode)

$PATH value
.:/home/express/bin:/home/express/bin:/home/express/BIN:/usr/local/bin:/opt/java1.3/bin:/home/oracle/product/9.2.0.1.0/bin:/usr/bin:/usr/ccs/bin:/usr/contrib/bin:/opt/mx/bin:/opt/hparray/bin:/opt/nettladm/bin:/opt/upgrade/bin:/opt/fcms/bin:/opt/pd/bin:/opt/resmon/bin:/usr/bin/X11:/usr/contrib/bin/X11:/opt/graphics/common/bin:/opt/scr/bin://opt/perl/bin:/usr/sbin/diag/contrib:/opt/hpnpl//bin:/usr/bin/X11:/usr/sbin:/opt/java1.3/bin


I really need your help.. and it is really urgent.. plz

Thanx in advance