Droolsは動作しません

Question

Droolsにいくつか問題があります。私rule.drlファイルで 私は記事がワーキングメモリに

rule "rule-2" 
    //include attributes such as "salience" here... 
    agenda-group "article-numbers" 
    when 
     //condition 
     exists (Article()) 
    then 
     System.out.println("bbbbb"); 
     //actions 

end 

とJavaクラスで、私は方法

私はDroolsのにアクセスして、資料を挿入しています

public void orderArticles(Article a){ 
     KieSession kieSession = kieContainer.newKieSession("sesija"); 
     kieSession.insert(a); 
     kieSession.getAgenda().getAgendaGroup("article-numbers").setFocus(); 
     kieSession.fireAllRules(); 

     ar.updateBrojArtikala(a); 
     ar.updateDodatiArtikle(a); 
     System.out.println(a); 

     kieSession.dispose(); 
    } 

を持っているが存在するかどうかをチェックする、このルールを持っていますでも、この単純なルールでmemory.Butワーキング、私は次のエラーを取得する：

私はまったく行わない文字列のインデックス-15、にアクセスしてることを意味

java.lang.StringIndexOutOfBoundsException: String index out of range: -15 
    at java.lang.String.substring(String.java:1967) ~[na:1.8.0_121] 
    at org.drools.compiler.rule.builder.dialect.DialectUtil.parseModifiedProperties(DialectUtil.java:707) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.rule.builder.dialect.DialectUtil.rewriteModifyDescr(DialectUtil.java:640) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.rule.builder.dialect.DialectUtil.rewriteDescr(DialectUtil.java:581) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.rule.builder.dialect.DialectUtil.fixBlockDescr(DialectUtil.java:162) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.rule.builder.dialect.DialectUtil.fixBlockDescr(DialectUtil.java:120) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.rule.builder.dialect.asm.AbstractASMConsequenceBuilder.consequenceContext(AbstractASMConsequenceBuilder.java:57) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.rule.builder.dialect.asm.AbstractASMConsequenceBuilder.build(AbstractASMConsequenceBuilder.java:33) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.rule.builder.RuleBuilder.build(RuleBuilder.java:116) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.addRule(KnowledgeBuilderImpl.java:1820) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.compileRules(KnowledgeBuilderImpl.java:1111) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.compileAllRules(KnowledgeBuilderImpl.java:989) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.buildRules(CompositeKnowledgeBuilderImpl.java:264) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.buildPackages(CompositeKnowledgeBuilderImpl.java:122) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:105) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.kie.builder.impl.AbstractKieModule.buildKnowledgePackages(AbstractKieModule.java:244) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.kie.builder.impl.KieContainerImpl.createKieBase(KieContainerImpl.java:561) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.kie.builder.impl.KieContainerImpl.getKieBase(KieContainerImpl.java:524) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.kie.builder.impl.KieContainerImpl.newKieSession(KieContainerImpl.java:687) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at org.drools.compiler.kie.builder.impl.KieContainerImpl.newKieSession(KieContainerImpl.java:655) ~[drools-compiler-6.5.0.Final.jar:6.5.0.Final] 
    at rs.ac.uns.ftn.informatika.rest.service.ArticlesDroolsService.orderArticles(ArticlesDroolsService.java:36) ~[classes/:na] 
    at rs.ac.uns.ftn.informatika.rest.controller.SalesmanController.orderArticle(SalesmanController.java:65) ~[classes/:na] 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_121] 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_121] 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_121] 
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_121] 
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:114) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:648) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-embed-websocket-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:89) ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77) ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.3.RELEASE.jar:4.3.3.RELEASE] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) ~[tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:784) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:802) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1410) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_121] 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_121] 
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.5.jar:8.5.5] 
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_121] 

（！）デバッグしているときには、常に

KieSession kieSession = kieContainer.newKieSession("sesija");

で停止します。 これは非常に奇妙だと思う、私の設定やkieContainerで何かが間違っているように思えますか？誰かが同じような経験をしていますか？私の設定は問題ないと思いますが、 ？誰かが事前に感謝し、これを解決するためにどのようにいくつかの提案を持っている:)

Answer 1

それはあなたの全体のDRLだった場合、私は尋ねられたとき、あなたは嘘になっていなかった！：P

あなたのコメントで掲示アプリケーション規則でいっぱいの2つの.drlファイルが含まれています。この規則の1つであるupdate price for whole bill-1には、右手側にタイプミスが含まれています。何らかの理由でDroolsがこの行を処理してエラーを理解することが不可能になったときに窒息していました。

私が話している行は、次のいずれかです。

modify($bill){setFinalPrice((int)(0.95*$bill.getFinalPrice())};

あなたが注意を払う場合は、5つのオープニングブラケット(だけ4決算ブラケット)があります。不足しているブラケットを追加する場合 は、すべてが動作しているようです（少なくとも規則はOKをコンパイル）：

modify($bill){setFinalPrice((int)(0.95*$bill.getFinalPrice()))};

はそれが役に立てば幸い、