thanks michael.. that probably save me a couple of hours..<br>I will upgrade to snow leopard this week.. and I will add notes about that too..<br><br><div class="gmail_quote">On Wed, Sep 9, 2009 at 3:38 PM, Michael Neale <span dir="ltr"><<a href="mailto:michael.neale@gmail.com">michael.neale@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">I recently upgrade to Snow Leopard, mostly it was an excuse to clean<br>
out my home directory, as I had long since lost track of where and<br>
what was on my PATH etc...<br>
<br>
So with a fresh install, there are a few traps with Java:<br>
<br>
1) Java 6, 64 bit only<br>
- you can copy Java5 from Leopard over if you really need it (I have<br>
found I am ok)<br>
2) GWT won't work in 64 bit or java 6:<br>
- you can start up with -d32 to make the JVM run 32 bit, and then I<br>
have a hacked up gwt-dev-mac.jar (ping me if you need it).<br>
3) Java 6 uses more memory, and can feel a bit slower:<br>
- -XX:+UseCompressedOops - that can help when in 64 bit (if heap < 32 gig !).<br>
<font color="#888888"><br>
--<br>
Michael D Neale<br>
home: <a href="http://www.michaelneale.net" target="_blank">www.michaelneale.net</a><br>
blog: <a href="http://michaelneale.blogspot.com" target="_blank">michaelneale.blogspot.com</a><br>
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