[rules-dev] KnowledgeAgent: Unable to find implementation for BusinessRuleProvider

[Michael Neale]

I think best not to add support for it directly. it is an internal format -
and will one day be deprecated in favour of a ruleml dialect (I think this
was mentioned previously).

On Fri, Oct 22, 2010 at 12:32 PM, esteban.aliverti at gmail.com <
esteban.aliverti at gmail.com> wrote:

> As far as i know, Brl syntax is kind of "deprecated". Only guvnor should
> use it. I can add support for brl easily, but i don't know if this is
> correct or not. Guys? What is your opinion?
>
> El oct 21, 2010 5:46 p.m., "drhookson" <hugo at koblmueller.com> escribió:
>
>
> hi.all,
>
> I working with drools-5.1.1 and just wanted to change my working
> knowledgeagent version, which pulls the package binary from the guvnor, to
> use local stored BRL files.
>
> As for what I assumed that the KnowledgeAgent is aware of the different
> resource types, I simply exchanged in the change-set.xml the resource
> location and type specification accordingly to the BRL ones, like the
> following:
>                        String ruleFile =
> "file://Projects/Workspace/myProject/src/rules/DeadManSwitch.brl";
>         String xml = "";
>                        xml += "<change-set
> xmlns='http://drools.org/drools-5.0/change-set'";
>                        xml += "
> xmlns:xs='http://www.w3.org/2001/XMLSchema-instance'";
>                        xml += "
> xs:schemaLocation='http://drools.org/drools-5.0/change-set
>
> http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-api/src/main/resources/change-set-1.0.0.xsd
> '
> >";
>                        xml += "    <add>";
>                        xml += "         <resource source='" + ruleFile + "'
> type='BRL'/>";
>                        xml += "    </add>";
>                        xml += "</change-set>";
>
> All the other things like setting up the KnowledgeAgent, applying the
> change
> set, a.s.o remained the same, but when executing the program I get the
> following exception reported:
>
> SEVERE: Run exception: java.lang.RuntimeException:
> org.drools.compiler.DroolsParserException:
> org.drools.CheckedDroolsException: Unable to find implementation for
> BusinessRuleProvider
> Stack trace:
>
> org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:544)
>
> org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)
>
> org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:637)
>
> org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:889)
>
> org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:704)
>
> org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:584)
>
> org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:185)
>
> org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:168)
>
> Any idea what am I missing here?
>
> thx
> -hugo
>
> --
> View this message in context:
> http://drools-java-rules-engine.46999.n3.nabble.com/KnowledgeAgent-Unable-to-find-implementation-for-BusinessRuleProvider-tp1748593p1748593.html
> Sent from the Drools - Dev mailing list archive at Nabble.com.
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>


-- 
Michael D Neale
home: www.michaelneale.net
blog: michaelneale.blogspot.com
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