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  1. Red Hat Decision Manager
  2. RHDM-1091

Executable model compilation fails with java.lang.RuntimeException: Unknown expression type: -1

    Details

    • Type: Bug
    • Status: Pull Request Sent (View Workflow)
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 7.4.1.GA
    • Fix Version/s: None
    • Component/s: BRE
    • Labels:
      None

      Description

      A rule containing a function call with a negative argument:

      eval( functions.add($age, -1).compareTo(10) < 0)
      

      fails to compile when using the executable model:

      java.lang.RuntimeException: Unknown expression type: -1
      	at org.drools.modelcompiler.builder.generator.DrlxParseUtil.getExpressionType(DrlxParseUtil.java:245)
      	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.processFirstNode(ExpressionTyper.java:562)
      	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpressionFromMethodCallOrField(ExpressionTyper.java:380)
      	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.parseNodeArguments(ExpressionTyper.java:679)
      	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.parseMethodCallExpr(ExpressionTyper.java:647)
      	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.methodCallExpr(ExpressionTyper.java:635)
      	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpressionFromMethodCallOrField(ExpressionTyper.java:416)
      	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpressionRec(ExpressionTyper.java:191)
      	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpression(ExpressionTyper.java:121)
      	at org.drools.modelcompiler.builder.generator.drlxparse.ConstraintParser.parseBinaryExpr(ConstraintParser.java:269)
      	at org.drools.modelcompiler.builder.generator.drlxparse.ConstraintParser.getDrlxParseResult(ConstraintParser.java:89)
      	at org.drools.modelcompiler.builder.generator.drlxparse.ConstraintParser.drlxParse(ConstraintParser.java:56)
      	at org.drools.modelcompiler.builder.generator.drlxparse.ConstraintParser.drlxParse(ConstraintParser.java:51)
      	at org.drools.modelcompiler.builder.generator.drlxparse.ConstraintParser.drlxParse(ConstraintParser.java:47)
      	at org.drools.modelcompiler.builder.generator.visitor.EvalVisitor.visit(EvalVisitor.java:25)
      	at org.drools.modelcompiler.builder.generator.visitor.ModelGeneratorVisitor.visit(ModelGeneratorVisitor.java:94)
      	at org.drools.compiler.lang.descr.EvalDescr.accept(EvalDescr.java:97)
      	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:173)
      	at org.drools.modelcompiler.builder.generator.ModelGenerator.generateModel(ModelGenerator.java:153)
      	at org.drools.modelcompiler.builder.ModelBuilderImpl.compileKnowledgePackages(ModelBuilderImpl.java:169)
      	at org.drools.modelcompiler.builder.ModelBuilderImpl.buildRules(ModelBuilderImpl.java:119)
      	at org.drools.modelcompiler.builder.ModelBuilderImpl.buildPackages(ModelBuilderImpl.java:69)
      	at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:108)
      	at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:100)
      	at org.drools.compiler.kie.builder.impl.AbstractKieProject.buildKnowledgePackages(AbstractKieProject.java:261)
      	at org.drools.compiler.kie.builder.impl.AbstractKieProject.verify(AbstractKieProject.java:75)
      	at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildKieProject(KieBuilderImpl.java:271)
      	at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:239)
      	at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:208)
      	at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:196)
      	at org.drools.modelcompiler.BaseModelTest.createKieBuilder(BaseModelTest.java:144)
      	at org.drools.modelcompiler.BaseModelTest.createKieBuilder(BaseModelTest.java:125)
      	at org.drools.modelcompiler.BaseModelTest.getKieContainer(BaseModelTest.java:114)
      	at org.drools.modelcompiler.BaseModelTest.getKieContainer(BaseModelTest.java:107)
      	at org.drools.modelcompiler.BaseModelTest.getKieSession(BaseModelTest.java:103)
      	at org.drools.modelcompiler.BaseModelTest.getKieSession(BaseModelTest.java:99)
      	at org.drools.modelcompiler.CompilerTest.testEvalExprWithFunctionCall(CompilerTest.java:1997)
      

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                • Assignee:
                  volothamp Luca Molteni
                  Reporter:
                  mputz Martin Weiler
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                  Dates

                  • Created:
                    Updated: