CPU usage 100%  when WLS 10.3.3 is idle on OS X 10.6.4 (Snow Leopard)

I've installed WLS 10.3.3 on OS X 10.6.4 and executed using the instructions in the README (including setting the MEM_ARGS).
Upon startup, the CPU usage spikes to ( then stays ) around *104%* ( dual-core CPU ); this, of course cripples the computer to where all running applications suffer. Attempting to access the console, brings the system to it's knees. This happens even if it is the only (non-system) application running.
We need to be able to run WLS on our local development machines (MacBook Pros from 2007-present).
We are currently running OAS (OC4J) on the machines with out any issues (CPU usage at OAS idle = ~1.1%).
Are there any WLS performance settings that can be adjusted to alleviate the CPU utilization issue?
My System Info:
Model Name:     MacBook Pro
Model Identifier:     MacBookPro4,1
Processor Name:     Intel Core 2 Duo
Processor Speed:     2.4 GHz
Number Of Processors:     1
Total Number Of Cores:     2
L2 Cache:     3 MB
Memory:     4 GB
Edited by: user8664206 on Aug 3, 2010 8:54 AM

Thank you!
The key was modifying the "setDomainEnv.sh" file (this file is generated using the domain GUI configuration tool).
I added the following at the top of the script (just below the comments):
JAVA_VENDOR="Sun"
export JAVA_VENDOR
I modified:
SUN_JAVA_HOME=""
export SUN_JAVA_HOME
...to be:
SUN_JAVA_HOME="/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home"
export SUN_JAVA_HOME
Now when I execute the container, it consumes only 0.2% of the CPU.
Thanks again,
Jim

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