Grinder jdbc test script error

Hi All:

I use jdbc.py testing Oracle JDBC driver. Apper error info:

 ./runtest
2014-11-06 10:12:20,722 INFO  agent: The Grinder 3.11
2014-11-06 10:12:20,737 INFO  agent: Worker process command line: java '-javaagent:/u03/JavaOsTesting/grinder-3.11/lib/grinder-dcr-agent-3.11.jar' '-Xms2g' '-Xmx2g' '-XX:+HeapDumpOnOutOfMemoryError' -classpath '/u03/JavaOsTesting:/u03/JavaOsTesting/lib:/u06/app/oracle/product/11.2.0/dbhome_1/jdbc/lib:/u03/JavaOsTesting/grinder-3.11/lib/grinder.jar' net.grinder.engine.process.WorkerProcessEntryPoint
2014-11-06 10:12:20,780 INFO  agent: worker uapgv4101.us.oracle.com-0 started
2014-11-06 10:12:31,883 ERROR uapgv4101.us.oracle.com-0: aborting process - Jython exception, <type 'exceptions.ImportError'>: No module named oracle [initialising test script]
net.grinder.scriptengine.jython.JythonScriptExecutionException: <type 'exceptions.ImportError'>: No module named oracle
        from oracle.jdbc import OracleDriver
        File "./test_jdbc.py", line 10, in <module>
2014-11-06 10:12:31,913 INFO  agent: finished

I set grinder.jvm.classpath = /u03/JavaOsTesting:/u03/JavaOsTesting/lib:/u06/app/oracle/product/11.2.0/dbhome_1/jdbc/lib

JDBC test script: http://grinder.sourceforge.net/g3/script-gallery.html#jdbc.py

from net.grinder.script.Grinder import grinder
from net.grinder.script import Test
from datetime import datetime
from datetime import timedelta
from java.sql import DriverManager
from oracle.jdbc import OracleDriver

Thanks!

------------------------------------------------------------------------------