I am using Ubuntu 9.10 jan@albotek:~/development/eclipse$ more /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=9.10 DISTRIB_CODENAME=karmic DISTRIB_DESCRIPTION="Ubuntu 9.10" I installed new eclipse 3.5.2, and inside eclipse used jdk 1.6.0.20 as default JRE, and jython 2.5.1 for my jython. Still I did not manage to get my grinder scripts with proxy working. The failure I was getting: Java exception initialising test script test1.record(grinder.getLogger().output) File "/home/jan/development/workspace-grinder/Grinder1/src/HelloWorld3.py", line 7, in Caused by: net.grinder.script.NonInstrumentableTypeException: Failed to wrap at net.grinder.engine.process.instrumenter.MasterInstrumenter.instrument(MasterInstrumenter.java:114) at net.grinder.engine.process.TestData.instrument(TestData.java:100) at net.grinder.script.Test.record(Test.java:114) In my output log I was seeing: 6/5/10 10:22:09 a.m. (process albotek-0): The Grinder version 3.4 6/5/10 10:2...