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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I found the duplicate jar, removed it and it now works. Thanks!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> rules-users-bounces@lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] <b>On Behalf Of </b>Edson Tirelli<br><b>Sent:</b> Wednesday, June 30, 2010 11:07 AM<br><b>To:</b> Rules Users List<br><b>Subject:</b> Re: [rules-users] Rule Compilation Problems<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> This is a JDT classpath problem. Either you have the wrong JDT version in your classpath, or you have multiple clashing versions. Either fix it, or switch to use JANINO as your compiler.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'> Edson<o:p></o:p></p><div><p class=MsoNormal>2010/6/29 Jean-Philippe Steinmetz <<a href="mailto:jeanphilippe@trilogystudios.com">jeanphilippe@trilogystudios.com</a>><o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hello everyone,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I’m fairly new to Drools, having only worked with a basic setup for a little while now. I’ve successfully gotten a Drools 5.0.1 runtime working with an app running under JBoss 5 but now I need Drools to run under a standalone application. I’ve more or less copied all of the set up that I used in the JBoss app but am experiencing weird compilation problems.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>My application code looks like the following…<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>KnowledgeAgent kagent = KnowledgeAgentFactory.<i>newKnowledgeAgent</i>(</span><span style='font-size:10.0pt;font-family:"Courier New";color:#2A00FF'>"MyAgenda"</span><span style='font-size:10.0pt;font-family:"Courier New";color:black'>);</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>kagent.applyChangeSet(ResourceFactory.<i>newClassPathResource</i>(</span><span style='font-size:10.0pt;font-family:"Courier New";color:#2A00FF'>"my_rules.xml"</span><span style='font-size:10.0pt;font-family:"Courier New";color:black'>));</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>KnowledgeBase </span><span style='font-size:10.0pt;font-family:"Courier New";color:#0000C0'>kbase</span><span style='font-size:10.0pt;font-family:"Courier New";color:black'> = kagent.getKnowledgeBase();</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt;font-family:"Courier New";color:#7F0055'>final</span></b><span style='font-size:10.0pt;font-family:"Courier New";color:black'> StatefulKnowledgeSession ksession = </span><span style='font-size:10.0pt;font-family:"Courier New";color:#0000C0'>kbase</span><span style='font-size:10.0pt;font-family:"Courier New";color:black'>.newStatefulKnowledgeSession();</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>ksession.addEventListener(</span><b><span style='font-size:10.0pt;font-family:"Courier New";color:#7F0055'>new</span></b><span style='font-size:10.0pt;font-family:"Courier New";color:black'> DebugAgendaEventListener());</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>ksession.addEventListener(</span><b><span style='font-size:10.0pt;font-family:"Courier New";color:#7F0055'>new</span></b><span style='font-size:10.0pt;font-family:"Courier New";color:black'> <span style='background:silver'>DebugWorkingMemoryEventListener</span>());</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>KnowledgeRuntimeLogger krlogger = KnowledgeRuntimeLoggerFactory.<i>newConsoleLogger</i>(ksession);</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>ksession.insert(myObject);</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>ksession.fireAllRules();</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>krlogger.close();</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>ksession.dispose();</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>and my rules file looks like…<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><b><span style='font-size:10.0pt;font-family:"Courier New";color:#960000'>package</span></b><span style='font-size:10.0pt;font-family:"Courier New";color:black'> mypackage</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><b><span style='font-size:10.0pt;font-family:"Courier New";color:#960000'>rule</span></b><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><span style='font-size:10.0pt;font-family:"Courier New";color:green'>"test"</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><b><span style='font-size:10.0pt;font-family:"Courier New";color:#960000'>when</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> Object()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> </span><b><span style='font-size:10.0pt;font-family:"Courier New";color:#960000'>then</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> System.out.println(</span><span style='font-size:10.0pt;font-family:"Courier New";color:green'>"Hello World!"</span><span style='font-size:10.0pt;font-family:"Courier New";color:black'>);</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-autospace:none'><b><span style='font-size:10.0pt;font-family:"Courier New";color:#960000'>end</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Finally this is the output I am seeing from my application…<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p>[2010:06:180 18:06:144:info] ResourceChangeNotification created<o:p></o:p></p><p>[2010:06:180 18:06:147:info] ResourceChangeScanner created with default interval=60<o:p></o:p></p><p>[2010:06:180 18:06:147:debug] ResourceChangeNotification monitor added monitor=org.drools.io.impl.ResourceChangeScannerImpl@7d0b8078<o:p></o:p></p><p>[2010:06:180 18:06:149:info] KnowledgAgent created, with configuration:<o:p></o:p></p><p>monitorChangeSetEvents=true scanResources=true scanDirectories=true<o:p></o:p></p><p>[2010:06:180 18:06:149:info] KnowledegAgent has started listening for ChangeSet notifications<o:p></o:p></p><p>(null: 3, 78): SchemaLocation: schemaLocation value = '<a href="http://drools.org/drools-5.0/change-set.xsd" target="_blank">http://drools.org/drools-5.0/change-set.xsd</a>' must have even number of URI's.<o:p></o:p></p><p>(null: 3, 78): cvc-elt.1: Cannot find the declaration of element 'change-set'.<o:p></o:p></p><p>[2010:06:180 18:06:181:info] KnowledgAgent applying ChangeSet<o:p></o:p></p><p>[2010:06:180 18:06:182:debug] KnowledgeAgent subscribing to resource=[ClassPathResource path='TestRules.drl']<o:p></o:p></p><p>[2010:06:180 18:06:182:debug] ResourceChangeNotification subscribing listener=org.drools.agent.impl.KnowledgeAgentImpl@61176350 to resource=[ClassPath<o:p></o:p></p><p>Resource path='TestRules.drl']<o:p></o:p></p><p>[2010:06:180 18:06:185:debug] ResourceChangeScanner subcribing notifier=org.drools.io.impl.ResourceChangeNotifierImpl@46794afc to resource=[ClassPathR<o:p></o:p></p><p>esource path='TestRules.drl']<o:p></o:p></p><p>[2010:06:180 18:06:187:debug] KnowledgeAgent ChangeSet requires KnowledgeBuilder<o:p></o:p></p><p>[2010:06:180 18:06:187:debug] KnowledgeAgent rebuilding KnowledgeBase using ChangeSet<o:p></o:p></p><p>[2010:06:180 18:06:315:debug] KnowledgeAgent building resource=[ClassPathResource path='TestRules.drl']<o:p></o:p></p><p>java.lang.NoSuchMethodError: org.eclipse.jdt.internal.compiler.CompilationResult.getProblems()[Lorg/eclipse/jdt/core/compiler/CategorizedProblem;<o:p></o:p></p><p> at org.drools.commons.jci.compilers.EclipseJavaCompiler$3.acceptResult(EclipseJavaCompiler.java:321)<o:p></o:p></p><p> at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:335)<o:p></o:p></p><p> at org.drools.commons.jci.compilers.EclipseJavaCompiler.compile(EclipseJavaCompiler.java:351)<o:p></o:p></p><p> at org.drools.commons.jci.compilers.AbstractJavaCompiler.compile(AbstractJavaCompiler.java:51)<o:p></o:p></p><p> at org.drools.rule.builder.dialect.java.JavaDialect.compileAll(JavaDialect.java:389)<o:p></o:p></p><p> at org.drools.compiler.DialectCompiletimeRegistry.compileAll(DialectCompiletimeRegistry.java:56)<o:p></o:p></p><p> at org.drools.compiler.PackageRegistry.compileAll(PackageRegistry.java:74)<o:p></o:p></p><p> at org.drools.compiler.PackageBuilder.compileAll(PackageBuilder.java:690)<o:p></o:p></p><p> at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:653)<o:p></o:p></p><p> at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:290)<o:p></o:p></p><p> at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:488)<o:p></o:p></p><p> at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:25)<o:p></o:p></p><p> at org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:386)<o:p></o:p></p><p> at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:120)<o:p></o:p></p><p> at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:109)<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Now I’ve checked all of the maven dependencies to make sure the they are all there and I can doubly confirm everything is fine. In fact, I even went so far to make sure the jars included in my app contained the org.eclipse.jdt.core.compiler.CategorizedProblem.class file. The only difference I’ve been able to think of so far is that my standalone application uses the Java service wrapper where JBoss does not.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Any help is greatly appreciated.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Cheers,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#888888'>Jean-Philippe Steinmetz<o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><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><o:p></o:p></p></div><p class=MsoNormal><br><br clear=all><br>-- <br> Edson Tirelli<br> JBoss Drools Core Development<br> JBoss by Red Hat @ <a href="http://www.jboss.com">www.jboss.com</a><o:p></o:p></p></div></div></body></html>