I found that if you explicitly import the class, it can resolve the issue - instead of relying on package imports.
Mark On 18 Nov 2013, at 18:31, Mark Proctor <[email protected]> wrote: > I think it depends on the system. When we have symbols it attempts to see if > they are classes are not, on some systems the file system does not recognise > type and can get confused. > > Mark > > > On 18 Nov 2013, at 15:17, Alexander Herwix <[email protected]> wrote: > >> I actually got it to compile and work by prefixing the new var with $. Maybe >> it's a bug where the parser/compiler messes up, when a variable has no >> prefix and the same name as a class but in lowercase?! Is this even possible? >> >> Anyway if someone has a similar problem, maybe this helps :) >> >> Cheers, Alex >> >> >> Am 18.11.2013 um 14:13 schrieb Martin Minka <[email protected]>: >> >>> I had similar problem and it was solved in 6.0.0.CR5. >>> >>> >>> 2013/11/18 Alexander Herwix <[email protected]> >>> Hey guys, >>> >>> using Drools 6 RC4. I have a simple rule which should cast an object into a >>> specialized object (if it is indeed a specialization) and insert that into >>> the session. >>> >>> rule "Obj is SpecialObject" >>> salience 201 >>> when >>> >>> $mainObj : MainObj(obj.class == SpecialObject.class, $obj : obj) >>> then >>> System.out.println("Obj is SpecialObj"); >>> >>> SpecialObj specialObj = (SpecialObj) $obj; >>> insert(specialObj); >>> end >>> >>> This rule doesn't even compile and I get a nasty error: >>> NoClassDefFoundError: com/iterranux/droolsjbpmHumanTask/domain/team__I >>> (wrong name: com/iterranux/droolsjbpmHumanTask/domain/Team__I). >>> >>> I mean it looks like the Class is present, but somehow it's lowercased >>> somewhere. It's weird I can use some other obj but this doesn't work. >>> Anyone seen something like this before? Maybe some other way to do what I >>> want to do? I tried to declare a trait and don that obj with that but same >>> result. >>> >>> Another question would be if it is really necessary to insert the object as >>> a new fact, or could I access the nested property directly in a rule and >>> typecast it there somehow? >>> >>> Cheers, Alex >>> >>> Error java.lang.RuntimeException: Reloading agent exited via exception, >>> please raise a jira >>> | Error at >>> org.springsource.loaded.agent.ClassPreProcessorAgentAdapter.transform(ClassPreProcessorAgentAdapter.java:104) >>> | Error at >>> sun.instrument.TransformerManager.transform(TransformerManager.java:188) >>> | Error at >>> sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:424) >>> | Error at java.lang.ClassLoader.defineClass1(Native Method) >>> | Error at java.lang.ClassLoader.defineClass(ClassLoader.java:791) >>> | Error at >>> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) >>> | Error at >>> java.net.URLClassLoader.defineClass(URLClassLoader.java:449) >>> | Error at >>> java.net.URLClassLoader.access$100(URLClassLoader.java:71) >>> | Error at java.net.URLClassLoader$1.run(URLClassLoader.java:361) >>> | Error at java.net.URLClassLoader$1.run(URLClassLoader.java:355) >>> | Error at java.security.AccessController.doPrivileged(Native >>> Method) >>> | Error at >>> java.net.URLClassLoader.findClass(URLClassLoader.java:354) >>> | Error at java.lang.ClassLoader.loadClass(ClassLoader.java:423) >>> | Error at >>> groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:648) >>> | Error at >>> groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:758) >>> | Error at >>> groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:746) >>> | Error at java.lang.Class.forName0(Native Method) >>> | Error at java.lang.Class.forName(Class.java:266) >>> | Error at >>> org.drools.core.common.ProjectClassLoader.loadClass(ProjectClassLoader.java:80) >>> | Error at java.lang.ClassLoader.loadClass(ClassLoader.java:356) >>> | Error at java.lang.Class.forName0(Native Method) >>> | Error at java.lang.Class.forName(Class.java:266) >>> | Error at >>> org.mvel2.ParserConfiguration.checkForDynamicImport(ParserConfiguration.java:163) >>> | Error at >>> org.mvel2.ParserConfiguration.hasImport(ParserConfiguration.java:191) >>> | Error at org.mvel2.ParserContext.hasImport(ParserContext.java:360) >>> | Error at >>> org.mvel2.compiler.AbstractParser.createPropertyToken(AbstractParser.java:1341) >>> | Error at >>> org.mvel2.compiler.AbstractParser.nextToken(AbstractParser.java:846) >>> | Error at >>> org.mvel2.compiler.ExpressionCompiler._compile(ExpressionCompiler.java:128) >>> | Error at >>> org.mvel2.compiler.ExpressionCompiler.compile(ExpressionCompiler.java:62) >>> | Error at org.mvel2.MVEL.analyze(MVEL.java:680) >>> | Error at >>> org.mvel2.compiler.PropertyVerifier.getMethod(PropertyVerifier.java:536) >>> | Error at >>> org.mvel2.compiler.PropertyVerifier.analyze(PropertyVerifier.java:120) >>> | Error at >>> org.mvel2.compiler.ExpressionCompiler.verify(ExpressionCompiler.java:381) >>> | Error at >>> org.mvel2.compiler.ExpressionCompiler._compile(ExpressionCompiler.java:273) >>> | Error at >>> org.mvel2.compiler.ExpressionCompiler.compile(ExpressionCompiler.java:62) >>> | Error at org.mvel2.MVEL.analyze(MVEL.java:680) >>> | Error at org.mvel2.MVEL.analyze(MVEL.java:685) >>> | Error at >>> org.drools.compiler.rule.builder.dialect.mvel.MVELExprAnalyzer.analyzeExpression(MVELExprAnalyzer.java:114) >>> | Error at >>> org.drools.compiler.rule.builder.dialect.mvel.MVELDialect.analyzeBlock(MVELDialect.java:539) >>> | Error at >>> org.drools.compiler.rule.builder.dialect.mvel.MVELConsequenceBuilder.build(MVELConsequenceBuilder.java:130) >>> | Error at >>> org.drools.compiler.rule.builder.RuleBuilder.build(RuleBuilder.java:103) >>> | Error at >>> org.drools.compiler.compiler.PackageBuilder.addRule(PackageBuilder.java:3160) >>> | Error at >>> org.drools.compiler.compiler.PackageBuilder.compileRules(PackageBuilder.java:1047) >>> | Error at >>> org.drools.compiler.compiler.PackageBuilder.compileAllRules(PackageBuilder.java:952) >>> | Error at >>> org.drools.compiler.compiler.CompositeKnowledgeBuilderImpl.buildRules(CompositeKnowledgeBuilderImpl.java:231) >>> | Error at >>> org.drools.compiler.compiler.CompositeKnowledgeBuilderImpl.buildPackages(CompositeKnowledgeBuilderImpl.java:86) >>> | Error at >>> org.drools.compiler.compiler.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:75) >>> | Error at >>> org.drools.compiler.kie.builder.impl.AbstractKieModule.buildKnowledgePackages(AbstractKieModule.java:201) >>> | Error at >>> org.drools.compiler.kie.builder.impl.AbstractKieProject.verify(AbstractKieProject.java:39) >>> | Error at >>> org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildKieProject(KieBuilderImpl.java:305) >>> | Error at >>> org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:187) >>> | Error at >>> com.iterranux.droolsjbpmCore.runtime.build.impl.KieModuleBuilder.buildKmoduleForGrailsModule(KieModuleBuilder.java:127) >>> | Error at >>> com.iterranux.droolsjbpmCore.runtime.build.impl.KieModuleBuilder.buildKmoduleForGrailsModule(KieModuleBuilder.java:148) >>> | Error at >>> com.iterranux.droolsjbpmCore.runtime.build.impl.KieModuleBuilder$buildKmoduleForGrailsModule.call(Unknown >>> Source) >>> | Error at >>> DroolsjbpmCoreGrailsPlugin$_closure7.doCall(DroolsjbpmCoreGrailsPlugin.groovy:386) >>> | Error at sun.reflect.GeneratedMethodAccessor992.invoke(Unknown >>> Source) >>> | Error at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> | Error at java.lang.reflect.Method.invoke(Method.java:601) >>> | Error at >>> org.springsource.loaded.ri.OriginalClassInvoker.invoke(OriginalClassInvoker.java:47) >>> | Error at >>> org.springsource.loaded.ri.ReflectiveInterceptor.jlrMethodInvoke(ReflectiveInterceptor.java:1283) >>> | Error at >>> org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) >>> | Error at >>> groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233) >>> | Error at >>> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1085) >>> | Error at >>> groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1110) >>> | Error at >>> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:909) >>> | Error at groovy.lang.Closure.call(Closure.java:411) >>> | Error at >>> DroolsjbpmCoreGrailsPlugin$_closure7.call(DroolsjbpmCoreGrailsPlugin.groovy) >>> | Error at >>> org.codehaus.groovy.grails.plugins.DefaultGrailsPlugin.invokeOnChangeListener(DefaultGrailsPlugin.java:767) >>> | Error at >>> org.codehaus.groovy.grails.plugins.DefaultGrailsPlugin.notifyOfEvent(DefaultGrailsPlugin.java:716) >>> | Error at >>> org.codehaus.groovy.grails.plugins.DefaultGrailsPlugin.notifyOfEvent(DefaultGrailsPlugin.java:731) >>> | Error at >>> org.codehaus.groovy.grails.plugins.AbstractGrailsPluginManager.informOfClassChange(AbstractGrailsPluginManager.java:406) >>> | Error at >>> org.codehaus.groovy.grails.plugins.AbstractGrailsPluginManager.informOfFileChange(AbstractGrailsPluginManager.java:367) >>> | Error at >>> org.codehaus.groovy.grails.compiler.GrailsProjectWatcher.informPluginManager(GrailsProjectWatcher.java:243) >>> | Error at >>> org.codehaus.groovy.grails.compiler.GrailsProjectWatcher.access$400(GrailsProjectWatcher.java:46) >>> | Error at >>> org.codehaus.groovy.grails.compiler.GrailsProjectWatcher$1.onChange(GrailsProjectWatcher.java:154) >>> | Error at >>> org.codehaus.groovy.grails.compiler.DirectoryWatcher.fireOnChange(DirectoryWatcher.java:174) >>> | Error at >>> org.codehaus.groovy.grails.compiler.DirectoryWatcher.run(DirectoryWatcher.java:156) >>> | Error at >>> org.codehaus.groovy.grails.compiler.GrailsProjectWatcher.run(GrailsProjectWatcher.java:178) >>> | Error at java_lang_Runnable$run.call(Unknown Source) >>> | Error at >>> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45) >>> | Error at >>> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108) >>> | Error at >>> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:112) >>> | Error at >>> org.codehaus.groovy.grails.cli.fork.ForkedGrailsProcess.startProjectWatcher(ForkedGrailsProcess.groovy:702) >>> | Error at sun.reflect.NativeMethodAccessorImpl.invoke0(Native >>> Method) >>> | Error at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >>> | Error at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> | Error at java.lang.reflect.Method.invoke(Method.java:601) >>> | Error at >>> org.springsource.loaded.ri.ReflectiveInterceptor.jlrMethodInvoke(ReflectiveInterceptor.java:1254) >>> | Error at >>> org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) >>> | Error at >>> groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233) >>> | Error at >>> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1085) >>> | Error at >>> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:909) >>> | Error at >>> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1030) >>> | Error at >>> groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1110) >>> | Error at >>> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:909) >>> | Error at >>> org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66) >>> | Error at >>> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:49) >>> | Error at >>> org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:133) >>> | Error at >>> org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:145) >>> | Error at >>> org.codehaus.groovy.grails.cli.fork.ForkedGrailsProcess$_setupReloading_closure16.doCall(ForkedGrailsProcess.groovy:691) >>> | Error at >>> org.codehaus.groovy.grails.cli.fork.ForkedGrailsProcess$_setupReloading_closure16.doCall(ForkedGrailsProcess.groovy) >>> | Error at sun.reflect.NativeMethodAccessorImpl.invoke0(Native >>> Method) >>> | Error at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >>> | Error at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> | Error at java.lang.reflect.Method.invoke(Method.java:601) >>> | Error at >>> org.springsource.loaded.ri.ReflectiveInterceptor.jlrMethodInvoke(ReflectiveInterceptor.java:1254) >>> | Error at >>> org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) >>> | Error at >>> groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233) >>> | Error at >>> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1085) >>> | Error at >>> groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1110) >>> | Error at >>> groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:909) >>> | Error at groovy.lang.Closure.call(Closure.java:411) >>> | Error at groovy.lang.Closure.call(Closure.java:405) >>> | Error at groovy.lang.Closure.run(Closure.java:492) >>> | Error at java.lang.Thread.run(Thread.java:722) >>> | Error Caused by: org.springsource.loaded.ReloadException: Problem >>> defining class com.iterranux.droolsjbpmHumanTask.domain.team__I >>> | Error at >>> org.springsource.loaded.TypeRegistry.defineClass(TypeRegistry.java:1076) >>> | Error at >>> org.springsource.loaded.ReloadableType.rewriteCallSitesAndDefine(ReloadableType.java:807) >>> | Error at >>> org.springsource.loaded.ReloadableType.<init>(ReloadableType.java:151) >>> | Error at >>> org.springsource.loaded.TypeRegistry.addType(TypeRegistry.java:889) >>> | Error at >>> org.springsource.loaded.agent.SpringLoadedPreProcessor.preProcess(SpringLoadedPreProcessor.java:246) >>> | Error at >>> org.springsource.loaded.agent.ClassPreProcessorAgentAdapter.transform(ClassPreProcessorAgentAdapter.java:102) >>> | Error ... 114 more >>> | Error Caused by: java.lang.reflect.InvocationTargetException >>> | Error at sun.reflect.GeneratedMethodAccessor62.invoke(Unknown >>> Source) >>> | Error at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> | Error at java.lang.reflect.Method.invoke(Method.java:601) >>> | Error at >>> org.springsource.loaded.TypeRegistry.defineClass(TypeRegistry.java:1071) >>> | Error ... 119 more >>> | Error Caused by: java.lang.NoClassDefFoundError: >>> com/iterranux/droolsjbpmHumanTask/domain/team__I (wrong name: >>> com/iterranux/droolsjbpmHumanTask/domain/Team__I) >>> | Error at java.lang.ClassLoader.defineClass1(Native Method) >>> | Error at java.lang.ClassLoader.defineClass(ClassLoader.java:791) >>> | Error at java.lang.ClassLoader.defineClass(ClassLoader.java:634) >>> | Error ... 123 more >>> _______________________________________________ >>> rules-users mailing list >>> [email protected] >>> https://lists.jboss.org/mailman/listinfo/rules-users >>> >>> _______________________________________________ >>> rules-users mailing list >>> [email protected] >>> https://lists.jboss.org/mailman/listinfo/rules-users >> >> _______________________________________________ >> rules-users mailing list >> [email protected] >> https://lists.jboss.org/mailman/listinfo/rules-users >
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