[jboss-jira] [JBoss JIRA] (DROOLS-2921) [DMN Designer] Stack overflow when a Context has two Relations

[Michael Anstis (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-2921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13623305#comment-13623305 ] 

Michael Anstis edited comment on DROOLS-2921 at 8/23/18 10:39 AM:
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The problem is that {{RelationColumn.getMinimumWidthOfPeers()}} traverses rows in the parent table, excluding that of the current {{RelationGrid}}, and gets the expression editors' [minimum width|https://github.com/kiegroup/kie-wb-common/blob/master/kie-wb-common-dmn/kie-wb-common-dmn-client/src/main/java/org/kie/workbench/common/dmn/client/editors/expressions/types/relation/RelationColumn.java#L84]. When there are two {{RelationGrids}} this call tries to get the minimum width of the second table, that tries to get the minimum width of the first, that tries the minimum width of the first etc...


was (Author: manstis):
The problem is that {{RelationColumn.getMinimumWidthOfPeers()}} traverses rows in the parent table, excluding that of the current {{RelationGrid}}, and gets the expression editors' [minimum width|https://github.com/kiegroup/kie-wb-common/blob/master/kie-wb-common-dmn/kie-wb-common-dmn-client/src/main/java/org/kie/workbench/common/dmn/client/editors/expressions/types/relation/RelationColumn.java#L84]. When there are two {{RelationGrids}} this call does the opposite; i.e. to get the minimum width of peers it tries to get the minimum width of the first table, that tries to get the minimum width of the second, that tries the first etc...

> [DMN Designer] Stack overflow when a Context has two Relations
> --------------------------------------------------------------
>
>                 Key: DROOLS-2921
>                 URL: https://issues.jboss.org/browse/DROOLS-2921
>             Project: Drools
>          Issue Type: Bug
>          Components: DMN Editor
>    Affects Versions: 7.10.0.Final
>            Reporter: Michael Anstis
>            Assignee: Michael Anstis
>            Priority: Critical
>              Labels: drools-tools
>
> Create a {{Context}} with two {{ContextEntries}}. Set both to be a {{Relation}}. Stack overflow :-(
> You can have multiple {{Relation}} in different {{Contexts}} it only happens when within the same {{Context}}.



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