[jboss-jira] [JBoss JIRA] Commented: (JBRULES-1284) ClassCastException when using "<" constraint on field of type java.lang.Object containing data of type java.lang.Integer
Michael Neale (JIRA)
jira-events at lists.jboss.org
Fri Oct 19 02:48:14 EDT 2007
[ http://jira.jboss.com/jira/browse/JBRULES-1284?page=comments#action_12383376 ]
Michael Neale commented on JBRULES-1284:
----------------------------------------
OK - yes well at compile time it decides to coerce to a string, yet gets a rude shock at runtime.
not much more we can do at compile time for this, but at runtime I will see if we can do a better coercion.
> ClassCastException when using "<" constraint on field of type java.lang.Object containing data of type java.lang.Integer
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: JBRULES-1284
> URL: http://jira.jboss.com/jira/browse/JBRULES-1284
> Project: JBoss Drools
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Affects Versions: 4.0.2
> Environment: Windows XP, Eclipse 3.2
> Reporter: Justin Wick
> Assigned To: Mark Proctor
> Attachments: DroolsTest.zip
>
>
> If I'm doing a pattern constraint, say "< 50" on a field, and that field is type java.lang.Object, with a value of type java.lang.Integer, a ClassCastException is generated at run time, although there is no compile-time error saying that this is an illegal constraint.
> See attached files for an example
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