Indeed JRebel reloads class structure changes as well. A very time-saving in combination with jetty.

The sysdeo plugin that was recommended earlier is very outdated, hasn't been updated in 3 years.

On 05/31/2010 06:01 PM, John Krasnay wrote:
This is how I work too. It uses the "hot swap" feature of the JVM. It
works if you only change method bodies, but if you make changes to the
class structure (fields, method signatures, etc.) you have to restart
the VM. Apparently jRebel can reload even these kinds of changes.

I'm happy with hot swap, but then again my app only takes ~14 seconds to
restart.

jk

On Sun, May 30, 2010 at 04:22:29PM -0500, Jeremy Thomerson wrote:
On Sun, May 30, 2010 at 12:05 PM, Alex Objelean<alex.objel...@gmail.com>wrote:

jRebel allows you to change the java code without restarting the server.

I've not used jRebel, but I commonly run my applications in debug mode in
Eclipse and do not have to restart the server - even with code changes.  The
exception is changing a method signature of classes that are already loaded
- but adding methods, classes, or changing 90% of code does not require a
restart.  So, what does jRebel add?  Does it eliminate restarts even in
these cases where the normal debug mode requires one?

--
Jeremy Thomerson
http://www.wickettraining.com
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