Drools error using hibernate -

i have drools project have connect hibernate (meaning need read facts database using hibernate) when run project following error :

 java.lang.arrayindexoutofboundsexception: -1     @ org.eclipse.jdt.internal.compiler.parser.parser.consumecastexpressionwithnamearray(parser.java:1984)     @ org.eclipse.jdt.internal.compiler.parser.parser.consumerule(parser.java:5992)     @ org.eclipse.jdt.internal.compiler.parser.parser.parse(parser.java:9272)     @ org.eclipse.jdt.internal.compiler.parser.parser.parse(parser.java:9500)     @ org.eclipse.jdt.internal.compiler.parser.parser.parse(parser.java:9457)     @ org.eclipse.jdt.internal.compiler.parser.parser.dietparse(parser.java:8102)     @ org.eclipse.jdt.internal.compiler.compiler.internalbegintocompile(compiler.java:696)     @ org.eclipse.jdt.internal.compiler.compiler.begintocompile(compiler.java:376)     @ org.eclipse.jdt.internal.compiler.compiler.compile(compiler.java:420)     @ org.drools.commons.jci.compilers.eclipsejavacompiler.compile(eclipsejavacompiler.java:389)     @ org.drools.commons.jci.compilers.abstractjavacompiler.compile(abstractjavacompiler.java:49)     @ org.drools.rule.builder.dialect.java.javadialect.compileall(javadialect.java:371)     @ org.drools.compiler.dialectcompiletimeregistry.compileall(dialectcompiletimeregistry.java:46)     @ org.drools.compiler.packageregistry.compileall(packageregistry.java:102)     @ org.drools.compiler.packagebuilder.compileall(packagebuilder.java:1006)     @ org.drools.compiler.packagebuilder.compileallrules(packagebuilder.java:842)     @ org.drools.compiler.packagebuilder.addpackage(packagebuilder.java:831)     @ org.drools.compiler.packagebuilder.addpackagefromdrl(packagebuilder.java:467)     @ org.drools.compiler.packagebuilder.addknowledgeresource(packagebuilder.java:673)     @ org.drools.builder.impl.knowledgebuilderimpl.add(knowledgebuilderimpl.java:45)     @ org.drools.builder.impl.knowledgebuilderimpl.add(knowledgebuilderimpl.java:34)   @ metier.testingrules.readknowledgebase(testingrules.java:61)     @ metier.testingrules.main(testingrules.java:33) java.lang.arrayindexoutofboundsexception: -1     @ org.eclipse.jdt.internal.compiler.parser.parser.consumecastexpressionwithnamearray(parser.java:1984)     @ org.eclipse.jdt.internal.compiler.parser.parser.consumerule(parser.java:5992)     @ org.eclipse.jdt.internal.compiler.parser.parser.parse(parser.java:9272)     @ org.eclipse.jdt.internal.compiler.parser.parser.parse(parser.java:9500)     @ org.eclipse.jdt.internal.compiler.parser.parser.parse(parser.java:9457)     @ org.eclipse.jdt.internal.compiler.parser.parser.dietparse(parser.java:8102)     @ org.eclipse.jdt.internal.compiler.compiler.internalbegintocompile(compiler.java:696)     @ org.eclipse.jdt.internal.compiler.compiler.begintocompile(compiler.java:376)     @ org.eclipse.jdt.internal.compiler.compiler.compile(compiler.java:420)     @ org.drools.commons.jci.compilers.eclipsejavacompiler.compile(eclipsejavacompiler.java:389)     @ org.drools.commons.jci.compilers.abstractjavacompiler.compile(abstractjavacompiler.java:49)     @ org.drools.rule.builder.dialect.java.javadialect.compileall(javadialect.java:371)     @ org.drools.compiler.dialectcompiletimeregistry.compileall(dialectcompiletimeregistry.java:46)     @ org.drools.compiler.packageregistry.compileall(packageregistry.java:102)     @ org.drools.compiler.packagebuilder.compileall(packagebuilder.java:1006)     @ org.drools.compiler.packagebuilder.compileallrules(packagebuilder.java:842)     @ org.drools.compiler.packagebuilder.addpackage(packagebuilder.java:831)     @ org.drools.compiler.packagebuilder.addpackagefromdrl(packagebuilder.java:467)     @ org.drools.compiler.packagebuilder.addknowledgeresource(packagebuilder.java:673)     @ org.drools.builder.impl.knowledgebuilderimpl.add(knowledgebuilderimpl.java:45)     @ org.drools.builder.impl.knowledgebuilderimpl.add(knowledgebuilderimpl.java:34)     @ metier.testingrules.readknowledgebase(testingrules.java:61)     @ metier.testingrules.main(testingrules.java:33)   mean ? tell me how can fix ?  thank   .drl code :       package metier.environnements      import metier.taches.activiteprofessionnelle;     import metier.taches.utilisateur;        rule "réseaux_disponibles"  // donne les réseaux disponibles dans la localisation de l'utilisateur     ruleflow-group "networks"         when           reseau :  reseau (reseau.getcle == "mot")                     system.out.println ("réseaux disponibles");      end 

as main file load knowledge base :

package metier;   import java.util.iterator; import java.util.list;  import metier.environnements.reseau;  import org.drools.knowledgebase; import org.drools.knowledgebasefactory; import org.drools.builder.knowledgebuilder; import org.drools.builder.knowledgebuildererror; import org.drools.builder.knowledgebuildererrors; import org.drools.builder.knowledgebuilderfactory; import org.drools.builder.resourcetype; import org.drools.io.resourcefactory; import org.drools.runtime.statefulknowledgesession; import org.hibernate.query; import org.hibernate.session;  import util.hibernateutil;    /* sample class launch rule. */  public class testingrules {    public static final void main(string[] args) {       try {           session session = hibernateutil.getsessionfactory().getcurrentsession();           session.begintransaction();          // load knowledge base          knowledgebase kbase = readknowledgebase();          statefulknowledgesession ksession = kbase.newstatefulknowledgesession();             query query=session.createquery("from reseau");         list l =query.list();         iterator reseaux = query .iterate();          while (reseaux.hasnext()) {              reseau reseau = (reseau) reseaux.next();             ksession.insert(reseau);          }           ksession.fireallrules();          } catch (throwable t) {          t.printstacktrace();       }    }     private static knowledgebase readknowledgebase() throws exception {        knowledgebuilder kbuilder = knowledgebuilderfactory.newknowledgebuilder();        kbuilder.add(resourcefactory.newclasspathresource("reseau.drl"), resourcetype.dslr);        knowledgebuildererrors errors = kbuilder.geterrors();        if (errors.size() > 0) {          (knowledgebuildererror error: errors) {             system.err.println(error);          }          throw new illegalargumentexception("could not parse knowledge.");       }        knowledgebase kbase = knowledgebasefactory.newknowledgebase();       kbase.addknowledgepackages(kbuilder.getknowledgepackages());        return kbase;    } }