I was testing out Grinder 3.8 and was using some script developed with Grinder 3.4. One thing I noticed that doesn't seem right is the aggregation of ERRORs in the console, both in the grid view and in the summary view (left most summary box - Mean TPS, Mean Response Time, Total Tests etc.).
I will upload a screenshot later today, don't have access to the assets at the moment.
Note: I tested this with Grinder 3.8 and 3.9 and a local build from 'git'.
Java version: 1.6.0_13-b03