: 产生数据工厂: api.ModelServiceDataSet 失败 (数据集名称): 生产数量 错误来源：api.ModelServiceDataSet
at com.raqsoft.report.usermodel.Engine.calcDataSet(Engine.java:177)
     at com.raqsoft.report.usermodel.Engine.calcDataSet(Engine.java:143)
     at com.raqsoft.report.usermodel.Engine.calc(Engine.java:94)
     at com.raqsoft.report.cache.LocalReportCache.getReport(LocalReportCache.java:137)
     at com.raqsoft.report.cache.ReportCache.getReport(ReportCache.java:177)
     at com.raqsoft.report.tag.HtmlTag.generateHtmlString(HtmlTag.java:1483)
     at com.raqsoft.report.tag.HtmlTag.doStartTag(HtmlTag.java:258)
     at org.apache.jsp.reportJsp.preview_jsp._jspService(preview_jsp.java:240)
     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)
     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
     at com.raqsoft.report.webutil.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:44)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
     at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
     at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
     at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
     at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.ClassNotFoundException: api.ModelServiceDataSet
     at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1892)
     at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735)
     at java.lang.Class.forName0(Native Method)
     at java.lang.Class.forName(Class.java:264)
     at com.raqsoft.report.usermodel.Engine.calcDataSet(Engine.java:158)
     … 35 more