Yes, mvel2 is a bundle in my framework and I add this file in META-INF.<div><br></div><div>I find drools.packagebuilder.conf in droos-compiler, and I copy this to my META-INF dir. </div><div><br></div><div>And it works!!!!!! Aleluya!!!!<br>
<br><div class="gmail_quote">On Tue, Jan 10, 2012 at 6:50 PM, Mauricio Salatino <span dir="ltr"><<a href="mailto:salaboy@gmail.com">salaboy@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Do you have the mvel2 bundle in your class path?<br>
Did you add the file that I mention inside the META-INF dir inside your app?<br>
<br>
Cheers.<br>
<br>
2012/1/10 elMateo <<a href="mailto:soyelmateo@gmail.com">soyelmateo@gmail.com</a>>:<br>
<div class="HOEnZb"><div class="h5">> Now, this is the trace: (it's different to the other)<br>
><br>
> org.drools.RuntimeDroolsException: Unable to load dialect ':mvel:null'<br>
> [stderr] at<br>
> org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:283)<br>
> [stderr] at<br>
> org.drools.compiler.PackageBuilderConfiguration.buildDialectConfigurationMap(PackageBuilderConfiguration.java:268)<br>
> [stderr] at<br>
> org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:181)<br>
> [stderr] at<br>
> org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java:159)<br>
> [stderr] at<br>
> org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:210)<br>
> [stderr] at<br>
> org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:143)<br>
> [stderr] at<br>
> org.drools.builder.impl.KnowledgeBuilderFactoryServiceImpl.newKnowledgeBuilder(KnowledgeBuilderFactoryServiceImpl.java:34)<br>
> [stderr] at<br>
> org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(KnowledgeBuilderFactory.java:47)<br>
> [stderr] at drools.ejemplos.DroolsTest.readKnowledgeBase(DroolsTest.java:94)<br>
> [stderr] at drools.ejemplos.DroolsTest.execute(DroolsTest.java:68)<br>
> [stderr] at drools.ejemplos.DroolsTest.<init>(DroolsTest.java:60)<br>
> [stderr] at drools.ejemplos.Activator.start(Activator.java:14)<br>
> [stderr] at<br>
> org.knopflerfish.framework.BundleImpl.start0(BundleImpl.java:356)<br>
> [stderr] at<br>
> org.knopflerfish.framework.BundleThread.run(BundleThread.java:107)<br>
> [stderr] Caused by: java.lang.NullPointerException<br>
> [stderr] at<br>
> org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:278)<br>
> [stderr] ... 13 more<br>
><br>
> On Tue, Jan 10, 2012 at 6:46 PM, Mauricio Salatino <<a href="mailto:salaboy@gmail.com">salaboy@gmail.com</a>><br>
> wrote:<br>
>><br>
>> If it works we can prove that most of the OSGI containers works in the<br>
>> same way :)<br>
>><br>
>> 2012/1/10 elMateo <<a href="mailto:soyelmateo@gmail.com">soyelmateo@gmail.com</a>>:<br>
>> > Hi Mauricio,<br>
>> ><br>
>> > I'm going to test this.<br>
>> ><br>
>> > Thank you so much!!<br>
>> ><br>
>> > On Tue, Jan 10, 2012 at 6:35 PM, Mauricio Salatino <<a href="mailto:salaboy@gmail.com">salaboy@gmail.com</a>><br>
>> > wrote:<br>
>> >><br>
>> >> Oh.. I see what is happening here.. the Default dialects and session<br>
>> >> configurations are not being loaded by your OSGI environment :)<br>
>> >> It took me a while to find that out so I hope this comment helps you<br>
>> >> to save some valuable time.<br>
>> >> Solution: you need to add inside your project that is loading the<br>
>> >> rules the following file:<br>
>> >> META-INF/drools.packagebuilder.conf<br>
>> >><br>
>> >> That contains the following content:<br>
>> >> drools.dialect.default = java<br>
>> >> drools.dialect.java =<br>
>> >> org.drools.rule.builder.dialect.java.JavaDialectConfiguration<br>
>> >> drools.dialect.java.compiler = ECLIPSE<br>
>> >><br>
>> >> drools.dialect.mvel =<br>
>> >> org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration<br>
>> >> drools.dialect.mvel.strict = true<br>
>> >> drools.dialect.mvel.langLevel = 4<br>
>> >><br>
>> >> drools.accumulate.function.average =<br>
>> >> org.drools.base.accumulators.AverageAccumulateFunction<br>
>> >> drools.accumulate.function.max =<br>
>> >> org.drools.base.accumulators.MaxAccumulateFunction<br>
>> >> drools.accumulate.function.min =<br>
>> >> org.drools.base.accumulators.MinAccumulateFunction<br>
>> >> drools.accumulate.function.count =<br>
>> >> org.drools.base.accumulators.CountAccumulateFunction<br>
>> >> drools.accumulate.function.sum =<br>
>> >> org.drools.base.accumulators.SumAccumulateFunction<br>
>> >> drools.accumulate.function.collectList =<br>
>> >> org.drools.base.accumulators.CollectListAccumulateFunction<br>
>> >> drools.accumulate.function.collectSet =<br>
>> >> org.drools.base.accumulators.CollectSetAccumulateFunction<br>
>> >><br>
>> >> drools.evaluator.coincides =<br>
>> >> org.drools.base.evaluators.CoincidesEvaluatorDefinition<br>
>> >> drools.evaluator.before =<br>
>> >> org.drools.base.evaluators.BeforeEvaluatorDefinition<br>
>> >> drools.evaluator.after =<br>
>> >> org.drools.base.evaluators.AfterEvaluatorDefinition<br>
>> >> drools.evaluator.meets =<br>
>> >> org.drools.base.evaluators.MeetsEvaluatorDefinition<br>
>> >> drools.evaluator.metby =<br>
>> >> org.drools.base.evaluators.MetByEvaluatorDefinition<br>
>> >> drools.evaluator.overlaps =<br>
>> >> org.drools.base.evaluators.OverlapsEvaluatorDefinition<br>
>> >> drools.evaluator.overlappedby =<br>
>> >> org.drools.base.evaluators.OverlappedByEvaluatorDefinition<br>
>> >> drools.evaluator.during =<br>
>> >> org.drools.base.evaluators.DuringEvaluatorDefinition<br>
>> >> drools.evaluator.includes =<br>
>> >> org.drools.base.evaluators.IncludesEvaluatorDefinition<br>
>> >> drools.evaluator.starts =<br>
>> >> org.drools.base.evaluators.StartsEvaluatorDefinition<br>
>> >> drools.evaluator.startedby =<br>
>> >> org.drools.base.evaluators.StartedByEvaluatorDefinition<br>
>> >> drools.evaluator.finishes =<br>
>> >> org.drools.base.evaluators.FinishesEvaluatorDefinition<br>
>> >> drools.evaluator.finishedby =<br>
>> >> org.drools.base.evaluators.FinishedByEvaluatorDefinition<br>
>> >> drools.evaluator.equality =<br>
>> >> org.drools.base.evaluators.EqualityEvaluatorsDefinition<br>
>> >> drools.evaluator.comparable =<br>
>> >> org.drools.base.evaluators.ComparableEvaluatorsDefinition<br>
>> >> drools.evaluator.set =<br>
>> >> org.drools.base.evaluators.SetEvaluatorsDefinition<br>
>> >> drools.evaluator.matches =<br>
>> >> org.drools.base.evaluators.MatchesEvaluatorsDefinition<br>
>> >> drools.evaluator.soundslike =<br>
>> >> org.drools.base.evaluators.SoundslikeEvaluatorsDefinition<br>
>> >><br>
>> >> That is provided by drools-compiler.jar or drools-core.jar (I don't<br>
>> >> have the code here) but it's not being picked up by the OSGI<br>
>> >> container.<br>
>> >><br>
>> >> Cheers<br>
>> >><br>
>> >><br>
>> >> 2012/1/10 elMateo <<a href="mailto:soyelmateo@gmail.com">soyelmateo@gmail.com</a>>:<br>
>> >> > I'm using Drools 5.4.0 Beta 1 and my DRL is the Hello World of Drools<br>
>> >> > :)<br>
>> >> > (all my application is the Hello World of Drools, because I'm trying<br>
>> >> > to<br>
>> >> > do a<br>
>> >> > OSGi bundle with this application).<br>
>> >> ><br>
>> >> > In my OSGi framework is running drools.core, drools.compiler and<br>
>> >> > knowledge-api, and others bundles.<br>
>> >> ><br>
>> >> > Thanks for reply me.<br>
>> >> ><br>
>> >> > On Tue, Jan 10, 2012 at 6:15 PM, Swindells, Thomas<br>
>> >> > <<a href="mailto:TSwindells@nds.com">TSwindells@nds.com</a>><br>
>> >> > wrote:<br>
>> >> >><br>
>> >> >> Looking at the stack trace, if you are on the same version as drools<br>
>> >> >> as<br>
>> >> >> me<br>
>> >> >> it looks like it is this line<br>
>> >> >> this.rule.setDialect( getDialect().getId() );<br>
>> >> >><br>
>> >> >> The most likely reason is your DRL isn't valid - perhaps where you<br>
>> >> >> are<br>
>> >> >> specifying the dialect, or it could be your<br>
>> >> >> Dependencies aren't right or something.<br>
>> >> >> Which version of drools are you using. Have you tried reducing your<br>
>> >> >> DRL<br>
>> >> >> file to the minimum that generates the error - then post that DRL if<br>
>> >> >> you<br>
>> >> >> need further help.<br>
>> >> >><br>
>> >> >> Thomas<br>
>> >> >><br>
>> >> >> > -----Original Message-----<br>
>> >> >> > From: <a href="mailto:rules-users-bounces@lists.jboss.org">rules-users-bounces@lists.jboss.org</a> [mailto:<a href="mailto:rules-users-">rules-users-</a><br>
>> >> >> > <a href="mailto:bounces@lists.jboss.org">bounces@lists.jboss.org</a>] On Behalf Of jjmartinez<br>
>> >> >> > Sent: 10 January 2012 17:05<br>
>> >> >> > To: <a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>
>> >> >> > Subject: Re: [rules-users] NullPointerException when load file<br>
>> >> >> > rules<br>
>> >> >> ><br>
>> >> >> > Anybody can help me? I don't know why my application show these<br>
>> >> >> > errors.<br>
>> >> >> ><br>
>> >> >> > Thanks in advance!<br>
>> >> >> ><br>
>> >> >> > java.lang.NullPointerException<br>
>> >> >> at<br>
>> >> >><br>
>> >> >><br>
>> >> >> org.drools.rule.builder.RuleBuildContext.<init>(RuleBuildContext.java:88)<br>
>> >> >> at<br>
>> >> >> org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:1149)<br>
>> >> >> at<br>
>> >> >><br>
>> >> >> org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:636)<br>
>> >> >> at<br>
>> >> >><br>
>> >> >><br>
>> >> >> org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:266)<br>
>> >> >> at<br>
>> >> >><br>
>> >> >><br>
>> >> >> org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:458)<br>
>> >> >> at<br>
>> >> >><br>
>> >> >><br>
>> >> >> org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)<br>
>> >> >> at<br>
>> >> >> drools.ejemplos.DroolsTest.readKnowledgeBase(DroolsTest.java:85)<br>
>> >> >> at drools.ejemplos.DroolsTest.execute(DroolsTest.java:64)<br>
>> >> >> at drools.ejemplos.DroolsTest.<init>(DroolsTest.java:56)<br>
>> >> >> at drools.ejemplos.Activator.start(Activator.java:14)<br>
>> >> >> at<br>
>> >> >> org.knopflerfish.framework.BundleImpl.start0(BundleImpl.java:356)<br>
>> >> >> at<br>
>> >> >> org.knopflerfish.framework.BundleThread.run(BundleThread.java:107)<br>
>> >> >><br>
>> >> >><br>
>> >> >><br>
>> >> >><br>
>> >> >><br>
>> >> >> **************************************************************************************<br>
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>> >> >> _______________________________________________<br>
>> >> >> rules-users mailing list<br>
>> >> >> <a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>
>> >> >> <a href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-users</a><br>
>> >> ><br>
>> >> ><br>
>> >> ><br>
>> >> > _______________________________________________<br>
>> >> > rules-users mailing list<br>
>> >> > <a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>
>> >> > <a href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-users</a><br>
>> >> ><br>
>> >><br>
>> >><br>
>> >><br>
>> >> --<br>
>> >> - CTO @ <a href="http://www.plugtree.com" target="_blank">http://www.plugtree.com</a><br>
>> >> - MyJourney @ <a href="http://salaboy.wordpress.com" target="_blank">http://salaboy.wordpress.com</a><br>
>> >> - Co-Founder @ <a href="http://www.jugargentina.org" target="_blank">http://www.jugargentina.org</a><br>
>> >> - Co-Founder @ <a href="http://www.jbug.com.ar" target="_blank">http://www.jbug.com.ar</a><br>
>> >><br>
>> >> - Salatino "Salaboy" Mauricio -<br>
>> >><br>
>> >> _______________________________________________<br>
>> >> rules-users mailing list<br>
>> >> <a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>
>> >> <a href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-users</a><br>
>> ><br>
>> ><br>
>> ><br>
>> > _______________________________________________<br>
>> > rules-users mailing list<br>
>> > <a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>
>> > <a href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-users</a><br>
>> ><br>
>><br>
>><br>
>><br>
>> --<br>
>> - CTO @ <a href="http://www.plugtree.com" target="_blank">http://www.plugtree.com</a><br>
>> - MyJourney @ <a href="http://salaboy.wordpress.com" target="_blank">http://salaboy.wordpress.com</a><br>
>> - Co-Founder @ <a href="http://www.jugargentina.org" target="_blank">http://www.jugargentina.org</a><br>
>> - Co-Founder @ <a href="http://www.jbug.com.ar" target="_blank">http://www.jbug.com.ar</a><br>
>><br>
>> - Salatino "Salaboy" Mauricio -<br>
>><br>
>> _______________________________________________<br>
>> rules-users mailing list<br>
>> <a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>
>> <a href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-users</a><br>
><br>
><br>
><br>
> _______________________________________________<br>
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> <a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>
> <a href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-users</a><br>
><br>
<br>
<br>
<br>
--<br>
- CTO @ <a href="http://www.plugtree.com" target="_blank">http://www.plugtree.com</a><br>
- MyJourney @ <a href="http://salaboy.wordpress.com" target="_blank">http://salaboy.wordpress.com</a><br>
- Co-Founder @ <a href="http://www.jugargentina.org" target="_blank">http://www.jugargentina.org</a><br>
- Co-Founder @ <a href="http://www.jbug.com.ar" target="_blank">http://www.jbug.com.ar</a><br>
<br>
- Salatino "Salaboy" Mauricio -<br>
<br>
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</div></div></blockquote></div><br></div>