[jboss-jira] [JBoss JIRA] (DROOLS-2162) Error evaluating constraint

[Herve Remisio (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-2162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Herve Remisio closed DROOLS-2162.
---------------------------------
    Release Notes Text: 
The issue was happening because we need to check if the attribute is NULL first.
Maybe the exception should be more clear. That would help to understand that the issue is a simple NPE.
            Resolution: Rejected


> Error evaluating constraint
> ---------------------------
>
>                 Key: DROOLS-2162
>                 URL: https://issues.jboss.org/browse/DROOLS-2162
>             Project: Drools
>          Issue Type: Bug
>          Components: core engine
>    Affects Versions: 7.4.1.Final
>            Reporter: Herve Remisio
>            Assignee: Mario Fusco
>            Priority: Blocker
>         Attachments: 2017-12-04_12-33-29.png
>
>
> We detected a very strange behavior when processing Rules that contain expressions like "...startsWith(..".
>  !2017-12-04_12-33-29.png|thumbnail! 
> Sometimes this error disappears when we simply re-upload the Rule file and it gets recompiled.



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