[rules-users] Drools5 in tomcat 5

[Rubén Marrero]

Oh! 


I'm tempted to ask _why_ did anyone think that having a great web interface where you can create, test, store & version (I would think that at least exposing and securing) business tulers simply should fall short of _executing_ said rules? If Guvnor (or some other component, I'm learning here) could help me outsource my business rules, I could use in no matter what platform/ language. All the java coders could embed it and the rest of us could just execute it. 


But I won't ask :) 


Instead let me rephrase my original question. What's the best way to setup a remote server, that can receive my data, go through the rules, and return a response? That does not involve java coding? drools-server? 


Thanks, 
Rubén 

De: "Esteban Aliverti" <esteban.aliverti at gmail.com> 
Para: "Rules Users List" <rules-users at lists.jboss.org> 
CC: "Diego Fabian Lopez Ruiz" <diego at lingo.mx> 
Enviados: Viernes, 14 de Mayo 2010 12:09:35 
Asunto: Re: [rules-users] Drools5 in tomcat 5 

Bad news! Guvnor doesn't execute the rules! It only acts as a repository! You can create your rules, test your rules and versioning them too, but if you want to execute them in a real business scenario, you have to code it. I know Drools already has some modules to do what you are trying to achieve, they are drools-pipeline (Which can use camel) or even drools-server (which is a simple servlet that executes commands). Unfortunately I'm not an expert on those modules, but you can always ask here for help. 


Best, 


2010/5/14 Rubén Marrero < ruben at lingo.mx > 




The idea is to use Guvnor as a REST-accessible BRMS. 


We'll design, edit, test rules in guvnor, then execute them from the PHP web app in the background (with cURL or something ) or maybe we'll use proper webservices, as long as we can keep thing simple. 


Since we are already using tomcat 5 as our reporting endpoint, we'd like to just add the guvnor as a web app, as long as guvnor can execute the rules we setup in the nice web interface and respond with a json package to a REST json request. 


Guvnor _does_ execute rules, right? :-) 


I'll try removing the jars you mention and then report back. 


Thx, 
Rubén 

De: "Esteban Aliverti" < esteban.aliverti at gmail.com > 
Para: "Rules Users List" < rules-users at lists.jboss.org > 
Enviados: Viernes, 14 de Mayo 2010 6:49:53 
Asunto: Re: [rules-users] Drools5 in tomcat 5 




I didn't test Guvnor in Tomcat 5, but I did it in Tomcat 6. The only thing you need to do is to remove el-ri-xxx.jar and el-api-xxx.jar from Guvnors libraries (open the war file, browse to WEB-INF/lib and remove the files). This is because Tomcat already provides this libraries. That is the only thing I have to do when I want to use Guvnor deployed in a Tomcat. 
And remember that Drools is just a framework (a bunch of jars if you want), so you can use it everywhere: console app, desktop app, web app. Guvnor is a BRMS that you can use to create your rules, manage their life cycle and set as main repository (You can do more things too). It is important to make this distinction, maybe you just want to use drools expert/flow/fusion and not Guvnor. 


Best, 


2010/5/14 Rubén Marrero < ruben at lingo.mx > 




Hi all: 


I want to add drools to a php application. Currently we are using Tomcat 5 to execute BIRT reports and works great. 


We want to keep using Tomcat (this version in particular) and just drop the Drools WAR so to disturb as little as possible our current setup. 


Is Tomcat 5 a supported platform to run Drools 5? any pointers to current docs? 


Thanks in advance, 
Rubén 
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