[ONE-OFF] (7.9.1)RuntimeException: Unknown expression type: java.lang.String.class thrown by executable-model ------------------------------------------------------------------------------------------------------------- Key: DROOLS-5966 URL: https://issues.redhat.com/browse/DROOLS-5966 Project: Drools Issue Type: Bug Components: executable model Affects Versions: 7.46.0.Final Reporter: Rodrigo Ribeiro Assignee: Rodrigo Ribeiro Priority: Major Fix For: 7.47.0.Final In case of executable-model, when a LHS has a method call and its argument is a class expression: {noformat} when Primitives( eval(classAttr.equals( java.lang.String.class ) ) ) {noformat} it throws RuntimeException {noformat} [ERROR] testJBRULES_2995[KieBase type=CLOUD_IDENTITY_MODEL_PATTERN](org.drools.mvel.integrationtests.JBRULESTest) Time elapsed: 1.001 s <<< ERROR! java.lang.RuntimeException: Unknown expression type: java.lang.String.class at org.drools.modelcompiler.builder.generator.DrlxParseUtil.getExpressionType(DrlxParseUtil.java:271) at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.processFirstNode(ExpressionTyper.java:628) at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpressionFromMethodCallOrField(ExpressionTyper.java:412) at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.parseNodeArguments(ExpressionTyper.java:790) at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.parseMethodCallExpr(ExpressionTyper.java:719) at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.methodCallExpr(ExpressionTyper.java:707) at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpressionFromMethodCallOrField(ExpressionTyper.java:443) at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpressionRec(ExpressionTyper.java:221) at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpression(ExpressionTyper.java:149) at org.drools.modelcompiler.builder.generator.drlxparse.ConstraintParser.getDrlxParseResult(ConstraintParser.java:172) at org.drools.modelcompiler.builder.generator.drlxparse.ConstraintParser.drlxParse(ConstraintParser.java:102) at org.drools.modelcompiler.builder.generator.visitor.pattern.PatternDSL.findAllConstraint(PatternDSL.java:136) at org.drools.modelcompiler.builder.generator.visitor.pattern.PatternDSL.buildPattern(PatternDSL.java:235) at org.drools.modelcompiler.builder.generator.visitor.ModelGeneratorVisitor.visit(ModelGeneratorVisitor.java:145) at org.drools.compiler.lang.descr.PatternDescr.accept(PatternDescr.java:288) at org.drools.modelcompiler.builder.generator.visitor.AndVisitor.visit(AndVisitor.java:50) at org.drools.modelcompiler.builder.generator.visitor.ModelGeneratorVisitor.visit(ModelGeneratorVisitor.java:86) at org.drools.modelcompiler.builder.generator.ModelGenerator.processRule(ModelGenerator.java:187) at org.drools.modelcompiler.builder.generator.ModelGenerator.generateModel(ModelGenerator.java:160) at org.drools.modelcompiler.builder.ModelBuilderImpl.compileKnowledgePackages(ModelBuilderImpl.java:284) at org.drools.modelcompiler.builder.ModelBuilderImpl.buildRules(ModelBuilderImpl.java:220) at org.drools.modelcompiler.builder.ModelBuilderImpl.postBuild(ModelBuilderImpl.java:130) at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:111) at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:97) at org.drools.compiler.kie.builder.impl.AbstractKieProject.buildKnowledgePackages(AbstractKieProject.java:268) at org.drools.compiler.kie.builder.impl.AbstractKieProject.buildKnowledgePackages(AbstractKieProject.java:216) at org.drools.compiler.kie.builder.impl.AbstractKieProject.verify(AbstractKieProject.java:80) at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildKieProject(KieBuilderImpl.java:279) at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:247) at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:204) at org.drools.testcoverage.common.util.KieUtil.getKieBuilderFromKieFileSystem(KieUtil.java:129) at org.drools.testcoverage.common.util.KieUtil.buildAndInstallKieModuleIntoRepo(KieUtil.java:70) at org.drools.testcoverage.common.util.KieUtil.buildAndInstallKieModuleIntoRepo(KieUtil.java:64) at org.drools.testcoverage.common.util.KieUtil.getKieModuleFromResources(KieUtil.java:231) at org.drools.testcoverage.common.util.KieUtil.getKieModuleFromResources(KieUtil.java:220) at org.drools.testcoverage.common.util.KieBaseUtil.getKieBaseFromKieModuleFromResources(KieBaseUtil.java:99) at org.drools.testcoverage.common.util.KieBaseUtil.getKieBaseFromKieModuleFromDrl(KieBaseUtil.java:112) at org.drools.mvel.integrationtests.JBRULESTest.testJBRULES_2995(JBRULESTest.java:148) {noformat}