[rules-users] Integrating DROOLS in J2EE...

Mark Proctor mproctor at codehaus.org
Thu Oct 25 23:18:57 EDT 2007


Paul Smith wrote:
> I don't know of any tutorials but I've been running Drools and JBoss 
> together with a MySQL database and EJB3 for about 18 months now. 
> Currently on Drools 4.02 with JBoss 4.2.1GA. It all works pretty well 
> except for for the need to use the Janino instead of the Eclipse 
> compiler. There's something to do with Tomcat that doesn't play nicely 
> with the Eclipse compiler. This was an issue way back when I was using 
> Drools 3.2 (it's a tomcat issue not a drools issue).
This is fixeable if someone will make a JCI module for that veresion of 
Eclipse, but to date no one has volunteered to do this.
> It may be ok now but I've just stuck with Janino because it works. My 
> deployment is really more of an SOA approach with Drools kept in the 
> EJB tier and nothing in the web. I don't use any struts validators and 
> let Drools do it all via the service calls. The only thing to watch is 
> classpaths and ensuring you don't have incorrect versions of the jars 
> being picked up. Using EJB3 in conjuction with Drools works really 
> well because the entity objects can be thrown straight at Drools.
>
> On 10/26/07, *mmquelo massi* <mmquelo at gmail.com 
> <mailto:mmquelo at gmail.com>> wrote:
>
>      
>     Hi everybody!
>      
>     Does anybody know where I can find good tutorials concerning
>     DROOLS 4.0.3\J2EE integration?
>      
>     I will use an Oracle DB and JBOSS Application Server (4.0.5).
>      
>     Any help will be great!
>      
>     I hope I will get used to DROOLS as soon as possible so that I
>     will be able
>     to help someone in this ML and not only making questions on it.
>      
>     Thank You anyway.
>      
>     Cheers!
>      
>     Massi
>      
>      
>
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