[jboss-jira] [JBoss JIRA] (DROOLS-3350) [DMN Designer] Error when user creates relations between elements

[Guilherme Carreiro (Jira)]

Guilherme Carreiro created DROOLS-3350:
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             Summary: [DMN Designer] Error when user creates relations between elements
                 Key: DROOLS-3350
                 URL: https://issues.jboss.org/browse/DROOLS-3350
             Project: Drools
          Issue Type: Bug
          Components: DMN Editor
            Reporter: Guilherme Carreiro
            Assignee: Michael Anstis
         Attachments: error.gif

Sometimes, when user creates relations between some diagram elements, an error popup appears.

Steps to reproduce:
 !error.gif|thumbnail! 

The error copied to clipboard in the GIF is here:
{{Uncaught exception: Exception caught: (TypeError) : Cannot read property 'tT' of null Caused by: (TypeError) : Cannot read property 'tT' of null | Uncaught exception: Exception caught: (TypeError) : Cannot read property 'tT' of null Caused by: (TypeError) : Cannot read property 'tT' of null | Uncaught exception: Exception caught: (TypeError) : Cannot read property 'tT' of null Caused by: (TypeError) : Cannot read property 'tT' of null | Uncaught exception: Exception caught: (TypeError) : Cannot read property 'tT' of null Caused by: (TypeError) : Cannot read property 'tT' of null}}

(since it's an intermittent issue, sometimes the steps above do not show the issue).




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