struts 启动不了工程。
tomcat启动后。运行，出现错误。如下。。。大虾们。。帮帮我吧。
这个到底是什么原因造成的呢?

type   Exception   report

message   Internal   Server   Error

description   The   server   encountered   an   internal   error   (Internal   Server   Error)   that   prevented   it   from   fulfilling   this   request.

exception  

javax.servlet.ServletException
at   org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:471)
at   org.apache.jsp.index$jsp._jspService(index$jsp.java:87)
at   org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at   javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at   org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:201)
at   org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381)
at   org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
at   javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at   com.telc.asic.common.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:165)
at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at   org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
at   org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at   org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
at   org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at   org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
at   org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at   org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347)
at   org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at   org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at   org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
at   org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at   org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
at   org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at   org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
at   org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at   org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at   org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at   org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.ja