Re: Groovy and Hotswap

If it's of any help, we at ZeroTurnaround investigated why Groovy doesn't
work with JavaRebel and it was connected with callsite caching
(http://www.zeroturnaround.com/forum/topic.php?id=80). You may be hitting
the same issue with JVM HotSwap as well. We would gladly work with someone
to get Groovy classes reloading...

Jevgeni Kabanov

bumzee wrote:
>
> I noted the GSP and Groovlet stuff because that works ok.
>
> I'm not doing anything special here and I know you're aware of the hotswap

> feature in the jvm.

>
> Crack open your fav IDE, start a web project, add the groovy jars. Create
> some groovy class, modify it and recompile without restarting and see if
> you change has been loaded . It won't be.  Do the same thing with a java
> class and it will.
>
> JavaRebel doesn't work with groovy either.
> http://www.zeroturnaround.com
>
> HotSwap is the correct term.  There's a JSR for it and everything.  All
> modern IDEs support it.
>
> Again, maybe groovy isn't supposed to work with it, I'm just wondering how
> others are working around this.
>
> Regardless of what it's called, how can I reload a modified groovy class
> using any IDE ?  If I can do it with a java class, shouldn't I be able to
> do it w/groovy.
>
> I know this is an issue because grails use to reload the entire
> application when there was a change to a groovy class.  Under certain
> circumstances it still does.
>
>

> http://java.sun.com/j2se/1.4.2/docs/guide/jpda/enhancements.html
>
>
>

> Jochen Theodorou wrote:
>>
>> bumzee schrieb:
>>> I've added Groovy to an existing web project being developed in Java
>>> 1.5,
>>> IntelliJ 7.04 and Resin 3.1.5.  No spring, no grails and groovy is not
>>> being
>>> used as groovlets or GSPs.
>>
>> checked ;)
>>
>>> I have some groovy beans and groovy controller
>>> classes.  Anyway....I can't make changes to the groovy classes without
>>> restarting my web application.  The java classes can't changed and
>>> reloaded
>>> with the normal hotswap restrictions, but not the groovy classes.
>>
>> can't changed? you mean the java classes can be changed I guess. Also I
>> am irritated by the term hotwap here... VM based this means that you
>> replace a class with a new version. Does it mean the same here? And what
>> are the restrictions?
>>
>>> The problem seems to be groovyc.
>>
>> because?
>>
>>> Is it simply not possible to have groovy work with hotswap?  I guess it
>>> doesn't necessarily need to work with hotswap,  I just don't want to
>>> have to
>>> restart after changing a groovy classes.
>>
>> we have other things for this, but first let us look at the questions
>> above... and I need to know the following... you do not use groovy ource
>> files, you use precompiled classes, right?
>>
>> bye blackdrag
>>
>> --
>> Jochen "blackdrag" Theodorou
>> The Groovy Project Tech Lead (http://groovy.codehaus.org)
>> http://blackdragsview.blogspot.com/
>> http://www.g2one.com/
>>
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>>
>
>

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