发生错误 java.lang.NumberFormatException:null

发生错误 java.lang.NumberFormatException:null
at java.lang.Integer.parseInt(Integer.java:436)
at java.lang.Integer.parseInt(Integer.java:518)
at com.palic.sales.life.pos.web.util.PosTypeResourceViewResolver.resolveViewName(PosTypeResourceViewResolver.java:116)
at com.palic.sales.life.pos.web.util.PosTypeResourceViewResolver.resolveModelAndView(PosTypeResourceViewResolver.java:91)
atcom.palic.sales.life.pos.web.controller.PosESaleController.getPosInformationByPolicyNo(PosESaleController.java:202)
at sun.reflect.GeneratedMethodAccessor2651.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
atcom.paic.pafa.app.web.servlet.mvc.multiaction.MultiActionController.invokeNamedMethod(MultiActionController.java:320)
atcom.paic.pafa.app.web.servlet.mvc.multiaction.MultiActionController.handleRequestInternal(MultiActionController.java:280)
atcom.palic.sales.life.common.web.controller.SalesCommonController.handleRequestInternal(SalesCommonController.java:352)
at com.paic.pafa.app.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:180)
at com.paic.pafa.app.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:45)
at com.paic.pafa.app.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:389)
at com.paic.pafa.app.web.servlet.FrameworkServlet.serviceWrapper(FrameworkServlet.java:342)
at com.paic.pafa.app.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:318)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1072)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:465)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
at com.palic.sales.support.presentation.delegate.item.SpwdFilter.doFilter(SpwdFilter.java:74)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
at com.palic.sales.dcs.common.web.DcsURLFilter.doFilter(DcsURLFilter.java:159)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
at com.palic.sales.support.presentation.LogonFilter.doFilter(LogonFilter.java:218)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
at com.netegrity.wlsextensions.ServletFilter.doFilter(ServletFilter.java:140)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6987)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
这是大部分详细情况,请高手帮忙!请具体说明,谢谢!

数据类型转换错误.应该是取值的时候没取到,将空转换为整型报的异常.