[jboss-jira] [JBoss JIRA] (DROOLS-2941) [DMN Designer] - save external dmn model

[Michael Anstis (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-2941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13627315#comment-13627315 ] 

Michael Anstis commented on DROOLS-2941:
----------------------------------------

[~manstis] See https://github.com/kiegroup/kie-wb-common/pull/2079#issuecomment-417680492

{{DMNElements}} currently have _default_ values of child {{DMNElements}} set to non-null instances. This now causes problems as we have Errai's marshallers call the setters (instead of using the {{@MapsTo}} constructors) the marshallers ARE NOT calling {{setXYZ(value)}} when {{value == null}}. The fix is to remove the instantiation of default objects for {{DMNElements}} and use {{null}} instead. This will account for many of the valorized objects reported by [~tari_manga].

> [DMN Designer] - save external dmn model
> ----------------------------------------
>
>                 Key: DROOLS-2941
>                 URL: https://issues.jboss.org/browse/DROOLS-2941
>             Project: Drools
>          Issue Type: Bug
>          Components: DMN Editor
>    Affects Versions: 7.11.0.Final
>            Reporter: Jozef Marko
>            Assignee: Michael Anstis
>              Labels: drools-tools
>         Attachments: LACE Scoring.dmn, error.log, lace-scoring.dmn
>
>
> Save of an external dmn model in workbench throws an error in a server log.
> - Before save:  [^LACE Scoring.dmn] 
> - After save:  [^lace-scoring.dmn] 



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