急解决思路

急!!
改进模块时出现错误提示以下:(接着别人的做)

在上下文环境中找不到名称为   stateCollection   的集合

javax.servlet.ServletException:   在上下文环境中找不到名称为   stateCollection   的集合   at   org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)   at   org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)   at   org.apache.jsp.jsp.pmp.project.requirement.test_005fcase.project_005ftest_005fcase_005fforinsert_jsp._jspService(project_005ftest_005fcase_005fforinsert_jsp.java:403)   at   org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)   at   javax.servlet.http.HttpServlet.service(HttpServlet.java:802)   at   org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)   at   org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)   at   org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)   at   javax.servlet.http.HttpServlet.service(HttpServlet.java:802)   at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)   at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)   at   org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:704)   at   org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:474)   at   org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:409)   at   org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:312)   at   org.loushang.waf.mvc.ServletDispatcherForward.forward(ServletDispatcherForward.java:70)   at   org.loushang.waf.mvc.CommandSupport.forward(CommandSupport.java:94)   at   org.loushang.waf.mvc.CommandSupport.execute(CommandSupport.java:145)   at   org.loushang.waf.mvc.ServletDispatcher.service(ServletDispatcher.java:172)   at   javax.servlet.http.HttpServlet.service(HttpServlet.java:802)   at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)   at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)   at   org.loushang.bsp.permit.pep.intercept.web.SecurityEnforcementFilter.doFilter(SecurityEnforcementFilter.java:97)   at   org.loushang.bsp.permit.pep.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:47)   at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)   at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)   at   org.loushang.bsp.permit.pep.ui.AbstractIntegrationFilter.doFilter(AbstractIntegrationFilter.java:201)   at   org.loushang.bsp.permit.pep.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:47)   at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)   at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)   at   org.loushang.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:75)   at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)   at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)   at   org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)   at   org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)   at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)   at   org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)   at   org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)   at   org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)   at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)   at   org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)   at   org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)   at   org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)   at   org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)   at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)   at   org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)   at   org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)   at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)   at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)   at   org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)   at   org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)   at   org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)   at   org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)   at   org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)   at   java.lang.Thread.run(Thread.java:595)