[jboss-jira] [JBoss JIRA] (DROOLS-5225) Constraint grouping fails with executable model

[Matteo Casalino (Jira)]

Matteo Casalino created DROOLS-5225:
---------------------------------------

             Summary: Constraint grouping fails with executable model
                 Key: DROOLS-5225
                 URL: https://issues.redhat.com/browse/DROOLS-5225
             Project: Drools
          Issue Type: Bug
          Components: core engine
    Affects Versions: 7.35.0.Final
            Reporter: Matteo Casalino
            Assignee: Mario Fusco
         Attachments: constraints-grouping.zip

Executable model rule compilation fails when trying to build a pattern using constraint grouping.

Example of DRL that fails to compile:

{noformat}
    rule "TestBusiness"
    when $p : Pojo(departuretimedayofweek (== 1 || == 2 || == 7) )
    then
    end
{noformat}

Error:

{noformat}
    java.lang.StackOverflowError
    	at java.base/java.util.LinkedList.unlink(LinkedList.java:215)
    	at java.base/java.util.LinkedList.remove(LinkedList.java:530)
    	at com.github.javaparser.ast.Node.setParentNode(Node.java:389)
    	at com.github.javaparser.ast.Node.setAsParentNodeOf(Node.java:403)
    	at com.github.javaparser.ast.expr.BinaryExpr.setLeft(BinaryExpr.java:174)
    	at com.github.javaparser.ast.expr.BinaryExpr.<init>(BinaryExpr.java:131)
    	at com.github.javaparser.ast.expr.BinaryExpr.<init>(BinaryExpr.java:122)
    	at org.drools.modelcompiler.builder.generator.DrlxParseUtil.trasformHalfBinaryToBinary(DrlxParseUtil.java:347)
    	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpressionRec(ExpressionTyper.java:194)
    	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpressionRec(ExpressionTyper.java:185)
    	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpressionRec(ExpressionTyper.java:195)
    	at org.drools.modelcompiler.builder.generator.expressiontyper.ExpressionTyper.toTypedExpressionRec(ExpressionTyper.java:185)
     ...
{noformat}

The example works fine when compiling without executable model.



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