[rules-users] Error due to same class name

sumit dhaniya sumitdhaniya at gmail.com
Fri Jul 11 13:59:20 EDT 2014


Thanks Mike


On Fri, Jul 11, 2014 at 11:16 PM, Michael Anstis <michael.anstis at gmail.com>
wrote:

> The guided rule editors really, really, I mean really, do not handle
> multiple classes with the same simple name in different packages at all
> well.
>
> Even if you only use a single class in a single rule (I.e. do not attempt
> to use x.y.z.MyClass and a.b.c.MyClass) the overall DRL being compiled can
> lead to issues as you're effectively creating:
>
> "import x.y.z.MyClass
>
> rule a
> when
> MyClass (...)
> ...
> end"
>
> and
>
> "import a.b.c.MyClass
>
> rule b
> when
> MyClass (...)
> ...
> end"
>
> I suspect issues to arise with class FQCN resolution in at least one of
> those rules.
>
> If you cannot use different simple names then my advice is to use
> free-form DRL for these classes; using the FQCN in the rule and exclude the
> imports (from the "Config" tab).
>
> Sent on the move
> On 11 Jul 2014 18:37, "Sumit Dhaniya" <sumitdhaniya at gmail.com> wrote:
>
>> I've two classes with same name but in different packages.
>> I created several guided rules which use these classes when I validate
>> individual rules they get validated but when I try to Build and Deploy the
>> project it fails cause it try to find a field in another class.
>>
>> Unable to create Field Extractor for 'isPH'Field/method 'isPH' not found
>> for
>> cla
>> ss 'com.****.****.db.user.TmSlot'
>>  : [Rule name='ProducerHour']
>> org.drools.core.RuntimeDroolsException: Field/method 'isPH' not found for
>> class
>> 'com.****.****.db.user.TmSlot'
>>
>> Unable to Analyse Expression isPH == true:
>> [Error: unable to resolve method using strict-mode:
>> com.****.****.db.user.TmSlot.isPH()]
>> [Near : {... isPH == true ....}]
>>
>>
>>
>> --
>> View this message in context:
>> http://drools.46999.n3.nabble.com/Error-due-to-same-class-name-tp4030304.html
>> Sent from the Drools: User forum mailing list archive at Nabble.com.
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>
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