Is there anybody that can help ME with this issue, please? Regards, Carolina
2012/7/20 Carolina Pellecchia <[email protected]> > *Hi everyone! * > > *I'm loading from Guvnor5.3.0 the pkg below ** into my application. * > > > > *package* org.dfms.model; > > > > *import* org.dfms.model.observation.ACObservation; > > *import* org.dfms.model.situation.AccessControlEvent; > > *import* org.dfms.model.situation.SituationManager; > > *import* org.dfms.model.situation.Event; > > *import* org.dfms.model.mapfeature.AccessControlPoint; > > > > > > *import* java.util.HashSet; > > *import* java.util.ArrayList; > > > > *declare* ACObservation > > @role(event) > > *end* > > > > *declare* AccessControlEvent > > @role(event) > > *end* > > > > *rule* "AccessControl" > > *no-loop* > > *when* > > $obs : ACObservation( $sensorid : sensorId, $location : > location ) over window:length(1) *from* entry-point access_control > > *then* > > *insert*( SituationManager.createAccessControlEvent( $obs, "Access > Control Detection", Event.THREAT_NO, $location, $sensorid )); > > *end* > > > > *When the rule is executed the application get this exception:* > > > [*java*] ERROR [2012-07-20 14:32:17,422] [Thread-19] (* > ExpertSystemManager.java:162*) - *java.lang.NullPointerException* > > [*java*] *java.lang.NullPointerException* > > [*java*] at > org.drools.reteoo.ReteooFactHandleFactory.newFactHandle(* > ReteooFactHandleFactory.java:56*) > > [*java*] at > org.drools.common.AbstractFactHandleFactory.newFactHandle(* > AbstractFactHandleFactory.java:80*) > > [*java*] at > org.drools.common.AbstractFactHandleFactory.newFactHandle(* > AbstractFactHandleFactory.java:65*) > > [*java*] at org.drools.common.NamedEntryPoint.createHandle(* > NamedEntryPoint.java:720*) > > [*java*] at org.drools.common.NamedEntryPoint.insert(* > NamedEntryPoint.java:280*) > > [*java*] at org.drools.common.NamedEntryPoint.insert(* > NamedEntryPoint.java:116*) > > [*java*] at org.drools.common.NamedEntryPoint.insert(* > NamedEntryPoint.java:48*) > > [*java*] at > org.tass.utils.ExpertSystemManager.insertObservation(* > ExpertSystemManager.java:156*) > > [*java*] at org.tass.vsensor.ExpertVS.dataAvailable(* > ExpertVS.java:59*) > > [*java*] at gsn.beans.InputStream.executeQuery(* > InputStream.java:277*) > > [*java*] at gsn.beans.StreamSource.windowSlided(* > StreamSource.java:325*) > > [*java*] at > gsn.beans.windowing.SQLViewQueryRewriter.dataAvailable(* > SQLViewQueryRewriter.java:83*) > > [*java*] at > gsn.beans.windowing.TupleBasedSlidingHandler.dataAvailable(* > TupleBasedSlidingHandler.java:56*) > > [*java*] at gsn.wrappers.AbstractWrapper.postStreamElement(* > AbstractWrapper.java:222*) > > [*java*] at > gsn.http.rest.LocalDeliveryWrapper.writeStreamElement(* > LocalDeliveryWrapper.java:147*) > > [*java*] at > gsn.http.rest.DefaultDistributionRequest.deliverStreamElement(* > DefaultDistributionRequest.java:57*) > > [*java*] at gsn.DataDistributer.flushStreamElement(* > DataDistributer.java:165*) > > [*java*] at gsn.DataDistributer.run(*DataDistributer.java:220*) > > [*java*] at java.lang.Thread.run(*Thread.java:662*) > > *How can I solve this issue?* > * > > Thank you in advance, > Carolina Pellecchia* >
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