Re: [rules-users] NullPointerException when load file rules

If it works we can prove that most of the OSGI containers works in the same way :) 2012/1/10 elMateo <soyelmateo(a)gmail.com&gt;: > Hi Mauricio, > > I'm going to test this. > > Thank you so much!! > > On Tue, Jan 10, 2012 at 6:35 PM, Mauricio Salatino <salaboy(a)gmail.com&gt; > wrote: >> >> Oh.. I see what is happening here.. the Default dialects and session >> configurations are not being loaded by your OSGI environment :) >> It took me a while to find that out so I hope this comment helps you >> to save some valuable time. >> Solution: you need to add inside your project that is loading the >> rules the following file: >> META-INF/drools.packagebuilder.conf >> >> That contains the following content: >> drools.dialect.default = java >> drools.dialect.java = >> org.drools.rule.builder.dialect.java.JavaDialectConfiguration >> drools.dialect.java.compiler = ECLIPSE >> >> drools.dialect.mvel = >> org.drools.rule.builder.dialect.mvel.MVELDialectConfiguration >> drools.dialect.mvel.strict = true >> drools.dialect.mvel.langLevel = 4 >> >> drools.accumulate.function.average = >> org.drools.base.accumulators.AverageAccumulateFunction >> drools.accumulate.function.max = >> org.drools.base.accumulators.MaxAccumulateFunction >> drools.accumulate.function.min = >> org.drools.base.accumulators.MinAccumulateFunction >> drools.accumulate.function.count = >> org.drools.base.accumulators.CountAccumulateFunction >> drools.accumulate.function.sum = >> org.drools.base.accumulators.SumAccumulateFunction >> drools.accumulate.function.collectList = >> org.drools.base.accumulators.CollectListAccumulateFunction >> drools.accumulate.function.collectSet = >> org.drools.base.accumulators.CollectSetAccumulateFunction >> >> drools.evaluator.coincides = >> org.drools.base.evaluators.CoincidesEvaluatorDefinition >> drools.evaluator.before = >> org.drools.base.evaluators.BeforeEvaluatorDefinition >> drools.evaluator.after = >> org.drools.base.evaluators.AfterEvaluatorDefinition >> drools.evaluator.meets = >> org.drools.base.evaluators.MeetsEvaluatorDefinition >> drools.evaluator.metby = >> org.drools.base.evaluators.MetByEvaluatorDefinition >> drools.evaluator.overlaps = >> org.drools.base.evaluators.OverlapsEvaluatorDefinition >> drools.evaluator.overlappedby = >> org.drools.base.evaluators.OverlappedByEvaluatorDefinition >> drools.evaluator.during = >> org.drools.base.evaluators.DuringEvaluatorDefinition >> drools.evaluator.includes = >> org.drools.base.evaluators.IncludesEvaluatorDefinition >> drools.evaluator.starts = >> org.drools.base.evaluators.StartsEvaluatorDefinition >> drools.evaluator.startedby = >> org.drools.base.evaluators.StartedByEvaluatorDefinition >> drools.evaluator.finishes = >> org.drools.base.evaluators.FinishesEvaluatorDefinition >> drools.evaluator.finishedby = >> org.drools.base.evaluators.FinishedByEvaluatorDefinition >> drools.evaluator.equality = >> org.drools.base.evaluators.EqualityEvaluatorsDefinition >> drools.evaluator.comparable = >> org.drools.base.evaluators.ComparableEvaluatorsDefinition >> drools.evaluator.set = org.drools.base.evaluators.SetEvaluatorsDefinition >> drools.evaluator.matches = >> org.drools.base.evaluators.MatchesEvaluatorsDefinition >> drools.evaluator.soundslike = >> org.drools.base.evaluators.SoundslikeEvaluatorsDefinition >> >> That is provided by drools-compiler.jar or drools-core.jar (I don't >> have the code here) but it's not being picked up by the OSGI >> container. >> >> Cheers >> >> >> 2012/1/10 elMateo <soyelmateo(a)gmail.com&gt;: >> > I'm using Drools 5.4.0 Beta 1 and my DRL is the Hello World of Drools :) >> > (all my application is the Hello World of Drools, because I'm trying to >> > do a >> > OSGi bundle with this application). >> > >> > In my OSGi framework is running drools.core, drools.compiler and >> > knowledge-api, and others bundles. >> > >> > Thanks for reply me. >> > >> > On Tue, Jan 10, 2012 at 6:15 PM, Swindells, Thomas < TSwindells(a)nds.com&gt; >> > wrote: >> >> >> >> Looking at the stack trace, if you are on the same version as drools as >> >> me >> >> it looks like it is this line >> >> this.rule.setDialect( getDialect().getId() ); >> >> >> >> The most likely reason is your DRL isn't valid - perhaps where you are >> >> specifying the dialect, or it could be your >> >> Dependencies aren't right or something. >> >> Which version of drools are you using. Have you tried reducing your DRL >> >> file to the minimum that generates the error - then post that DRL if >> >> you >> >> need further help. >> >> >> >> Thomas >> >> >> >> > -----Original Message----- >> >> > From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users- >> >> > bounces(a)lists.jboss.org] On Behalf Of jjmartinez >> >> > Sent: 10 January 2012 17:05 >> >> > To: rules-users(a)lists.jboss.org >> >> > Subject: Re: [rules-users] NullPointerException when load file rules >> >> > >> >> > Anybody can help me? I don't know why my application show these >> >> > errors. >> >> > >> >> > Thanks in advance! >> >> > >> >> > java.lang.NullPointerException >> >> at >> >> >> >> org.drools.rule.builder.RuleBuildContext.<init>(RuleBuildContext.java:88) >> >> at >> >> org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:1149) >> >> at >> >> org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:636) >> >> at >> >> >> >> org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:266) >> >> at >> >> >> >> org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:458) >> >> at >> >> >> >> org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28) >> >> at >> >> drools.ejemplos.DroolsTest.readKnowledgeBase(DroolsTest.java:85) >> >> at drools.ejemplos.DroolsTest.execute(DroolsTest.java:64) >> >> at drools.ejemplos.DroolsTest.<init>(DroolsTest.java:56) >> >> at drools.ejemplos.Activator.start(Activator.java:14) >> >> at >> >> org.knopflerfish.framework.BundleImpl.start0(BundleImpl.java:356) >> >> at >> >> org.knopflerfish.framework.BundleThread.run(BundleThread.java:107) >> >> >> >> >> >> >> >> >> >> ************************************************************************************** >> >> This message is confidential and intended only for the addressee. 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GB 603 8808 40-00 >> >> >> >> >> >> ************************************************************************************** >> >> >> >> _______________________________________________ >> >> rules-users mailing list >> >> rules-users(a)lists.jboss.org >> >> https://lists.jboss.org/mailman/listinfo/rules-users >> > >> > >> > >> > _______________________________________________ >> > rules-users mailing list >> > rules-users(a)lists.jboss.org >> > https://lists.jboss.org/mailman/listinfo/rules-users >> > >> >> >> >> -- >> - CTO @ http://www.plugtree.com >> - MyJourney @ http://salaboy.wordpress.com >> - Co-Founder @ http://www.jugargentina.org >> - Co-Founder @ http://www.jbug.com.ar >> >> - Salatino "Salaboy" Mauricio - >> >> _______________________________________________ >> rules-users mailing list >> rules-users(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users > > > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > -- - CTO @ http://www.plugtree.com - MyJourney @ http://salaboy.wordpress.com - Co-Founder @ http://www.jugargentina.org - Co-Founder @ http://www.jbug.com.ar - Salatino "Salaboy" Mauricio - _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users