在ecilpse中运行项目，出现了如下的错误

tianxianglou

2009-3-30 11:16:38 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet jsp threw exception
java.lang.NullPointerException: Module 'null' not found.
  at org.apache.struts.taglib.TagUtils.getModuleConfig(TagUtils.java:755)
  at org.apache.struts.taglib.TagUtils.getModuleConfig(TagUtils.java:735)
  at org.apache.struts.taglib.html.FormTag.lookup(FormTag.java:818)
  at org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:488)
  at org.apache.jsp.index_jsp._jspx_meth_html_005fform_005f0(index_jsp.java:155)
  at org.apache.jsp.index_jsp._jspx_meth_html_005fhtml_005f0(index_jsp.java:123)
  at org.apache.jsp.index_jsp._jspService(index_jsp.java:72)
  at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
  at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
  at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
  at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  at java.lang.Thread.run(Thread.java:619)