在struts环境中使用validation框架出现java.lang.NullPointerException的
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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)