Ok, it seems the problem is not the configuration file then, but the operator itself. There were some changes on how MVEL analyzes and executes expressions and this seems to be related to that...

     Can you provide an isolated test case with your operator so that we can reproduce the problem?

     Thanks.

On Fri, Jun 1, 2012 at 11:51 AM, Matteo Cusmai <cusmaimatteo@gmail.com> wrote:
Hi Mario,
i have tried to put it every where.

The strange thing is that if i use 5.3 it is with file under /home/myhomefolder and if i use 5.4 i get this error:

ERROR [2012-06-01 17:37:27,588] [VSensorLoader-Thread0] (ExpertSystemManager.java:63)     - Unable to Analyse Expression $vehicle_type == type && geoIsWithinDistance0.evaluate( $location, source.getGeometry() ):
     [java] [Error: unable to resolve method using strict-mode: org.dfms.model.mapfeature.Route.geoIsWithinDistance0()]
     [java] [Near : {... cle_type == type && geoIsWithinDistance0.evaluate( ....}]
     [java]                                  ^ : [Rule name='VehicleAtRouteStart-event']
     [java] Unable to Analyse Expression $vehicle_type == type && geoIsWithinDistance0.evaluate( $location, source.getGeometry() ):T
     [java] [Error: unable to resolve method using strict-mode: org.dfms.model.mapfeature.Route.geoIsWithinDistance0()]
     [java] [Near : {... cle_type == type && geoIsWithinDistance0.evaluate( ....}]
     [java]                                  ^ : [Rule name='VehicleAtRouteStart-update']

where geo<xxxx> are custom evaluator.

What do you think?



On Fri, Jun 1, 2012 at 5:29 PM, Mario Fusco <mario.fusco@gmail.com> wrote:
Hi Matteo,

Drools loads conf files from several places and merge them including home
directory, meta-inf directory, etc. This is the class that does this job and
as you can see it isn't changed in the last year:

https://github.com/mariofusco/droolsjbpm-knowledge/blob/master/knowledge-api/src/main/java/org/drools/util/ChainedProperties.java

In particular, as you can see at line 71, it should try to load the conf
file also from your home folder. I don't know why it is not working in your
case. Probably are you launching it with the wrong user? Alternatively you
could also try to put that conf file in a folder named META_INF in your
classpath.

I hope this helps,
Mario

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