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

[Mario Fusco (Jira)]

     [ https://issues.redhat.com/browse/DROOLS-5225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco updated DROOLS-5225:
--------------------------------
    Sprint: 2020 Week 13-15 (from Mar 23)


> 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
>            Priority: Major
>         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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