服务器是resin3.0.8，在显示页面表单的时候报错。
页面报错信息：
500 Servlet Exception
javax.servlet.jsp.JspException: ServletException in '/phoneRecord/uploadRecords.jsp':
null
at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:921)
at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:460)
at _jsp._common._layouts._classiclayout__jsp._jspService(/common/layouts/classicLayout.jsp:29)
at com.caucho.jsp.JavaPage.service(JavaPage.java:75)
at com.caucho.jsp.Page.pageservice(Page.java:571)
at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:155)
at com.caucho.server.webapp.DispatchFilterChain.doFilter(DispatchFilterChain.java:129)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:221)
at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:272)
at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:112)
at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:261)
at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:237)
at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:300)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:103)
at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:113)
at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:211)
at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:177)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:221)
at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:263)
at com.caucho.server.port.TcpConnection.run(TcpConnection.java:331)
at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:464)
at com.caucho.util.ThreadPool.run(ThreadPool.java:408)
at java.lang.Thread.run(Thread.java:534)
控制台信息：
[17:47:28.336] ServletException in '/phoneRecord/uploadRecords.jsp': null
[17:47:28.336] java.lang.NullPointerException
[17:47:28.336] at com.caucho.jsp.PageContextImpl.handlePageException(PageContextImpl.java:957)
[17:47:28.336] at _jsp._phonerecord._uploadrecords__jsp._jspService(_uploadrecords__jsp.java:147)
[17:47:28.336] at com.caucho.jsp.JavaPage.service(JavaPage.java:75)
[17:47:28.336] at com.caucho.jsp.Page.pageservice(Page.java:571)
[17:47:28.336] at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:155)
[17:47:28.336] at com.caucho.server.webapp.DispatchFilterChain.doFilter(DispatchFilterChain.java:12
9)
[17:47:28.336] at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:211)
[17:47:28.336] at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:221)
[17:47:28.336] at com.caucho.server.webapp.RequestDispatcherImpl.include(RequestDispatcherImpl.java
:476)
[17:47:28.336] at com.caucho.server.webapp.RequestDispatcherImpl.include(RequestDispatcherImpl.java
:345)
[17:47:28.336] at com.caucho.jsp.PageContextImpl.include(PageContextImpl.java:807)
[17:47:28.336] at com.caucho.jsp.PageContextImpl.include(PageContextImpl.java:762)
