Executable model compilation fails with ClassCastException when using accumulate and additional constraint ---------------------------------------------------------------------------------------------------------- Key: DROOLS-4658 URL: https://issues.jboss.org/browse/DROOLS-4658 Project: Drools Issue Type: Bug Components: core engine, executable model Affects Versions: 7.28.0.Final Reporter: Martin Weiler Assignee: Luca Molteni Priority: Major Labels: support A rule containing the following constraint: {noformat} when $customer : Customer( code == "RHT" ) $max1 : Number() from accumulate( StockTick( company == $customer.code , $time : dueDate); max($time.getTime().getTime())) {noformat} fails with a ClassCastException when building with the executable model: {noformat} java.lang.ClassCastException: com.github.javaparser.ast.expr.NameExpr cannot be cast to com.github.javaparser.ast.expr.LambdaExpr at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitorPatternDSL.lambda$composeTwoBindings$4(AccumulateVisitorPatternDSL.java:67) at java.util.Optional.ifPresent(Optional.java:159) at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitorPatternDSL.composeTwoBindings(AccumulateVisitorPatternDSL.java:64) at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitorPatternDSL.lambda$null$1(AccumulateVisitorPatternDSL.java:53) at java.util.Optional.ifPresent(Optional.java:159) at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitorPatternDSL.lambda$processNewBinding$3(AccumulateVisitorPatternDSL.java:53) at java.util.Optional.ifPresent(Optional.java:159) at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitorPatternDSL.processNewBinding(AccumulateVisitorPatternDSL.java:44) at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitor.classicAccumulate(AccumulateVisitor.java:129) at org.drools.modelcompiler.builder.generator.visitor.accumulate.AccumulateVisitor.visit(AccumulateVisitor.java:107) at org.drools.modelcompiler.builder.generator.visitor.ModelGeneratorVisitor.visit(ModelGeneratorVisitor.java:122) at org.drools.compiler.lang.descr.PatternDescr.accept(PatternDescr.java:272) at org.drools.modelcompiler.builder.generator.visitor.AndVisitor.visit(AndVisitor.java:29) at org.drools.modelcompiler.builder.generator.visitor.ModelGeneratorVisitor.visit(ModelGeneratorVisitor.java:69) at org.drools.modelcompiler.builder.generator.ModelGenerator.processRule(ModelGenerator.java:176) at org.drools.modelcompiler.builder.generator.ModelGenerator.generateModel(ModelGenerator.java:156) at org.drools.modelcompiler.builder.ModelBuilderImpl.compileKnowledgePackages(ModelBuilderImpl.java:176) at org.drools.modelcompiler.builder.ModelBuilderImpl.buildRules(ModelBuilderImpl.java:121) at org.drools.modelcompiler.builder.ModelBuilderImpl.buildPackages(ModelBuilderImpl.java:71) at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:108) {noformat}