请问在struts中调用action时出现一下错误是怎末办？在线等

那我把异常都贴出来
org.apache.jasper.JasperException: Exception creating bean of class jp.ac.otani.employment.form.SO1031Form: {1}
at org.apache.jasper.servlet.JspServletWrapper.service(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;Z)V(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;Ljava.lang.String;Ljava.lang.Throwable;Z)V(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationDispatcher.invoke(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(ApplicationDispatcher.java:684)
at org.apache.catalina.core.ApplicationDispatcher.doForward(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(ApplicationDispatcher.java:432)
at org.apache.catalina.core.ApplicationDispatcher.forward(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(ApplicationDispatcher.java:356)
at org.apache.struts.action.RequestProcessor.doForward(Ljava.lang.String;Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(RequestProcessor.java:1069)
at org.apache.struts.tiles.TilesRequestProcessor.doForward(Ljava.lang.String;Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(TilesRequestProcessor.java:274)
at org.apache.struts.action.RequestProcessor.processForwardConfig(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;Lorg.apache.struts.config.ForwardConfig;)V(RequestProcessor.java:455)
at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;Lorg.apache.struts.config.ForwardConfig;)V(TilesRequestProcessor.java:320)
at org.apache.struts.action.RequestProcessor.process(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(RequestProcessor.java:279)
at org.apache.struts.action.ActionServlet.process(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(ActionServlet.java:1480)
at org.apache.struts.action.ActionServlet.doPost(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(ActionServlet.java:524)
at javax.servlet.http.HttpServlet.service(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(ApplicationFilterChain.java:193)
at common.util.SetCharacterEncodingFilter.doFilter(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;Ljavax.servlet.FilterChain;)V(SetCharacterEncodingFilter.java:170)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(ApplicationFilterChain.java:213)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(Lorg.apache.catalina.Request;Lorg.apache.catalina.Response;Lorg.apache.catalina.ValveContext;)V(StandardWrapperValve.java:256)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Lorg.apache.catalina.Request;Lorg.apache.catalina.Response;)V(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(Lorg.apache.catalina.Request;Lorg.apache.catalina.Response;)V(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(Lorg.apache.catalina.Request;Lorg.apache.catalina.Response;)V(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(Lorg.apache.catalina.Request;Lorg.apache.catalina.Response;Lorg.apache.catalina.ValveContext;)V(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Lorg.apache.catalina.Request;Lorg.apache.catalina.Response;)V(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(Lorg.apache.catalina.Request;Lorg.apache.catalina.Response;)V(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(Lorg.apache.catalina.Request;Lorg.apache.catalina.Response;)V(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(Lorg.apache.catalina.Request;Lorg.apache.catalina.Response;)V(StandardContext.java:2415)
at org.apache.catalina.core.StandardHostValve.invoke(Lorg.apache.catalina.Request;Lorg.apache.catalina.Response;Lorg.apache.catalina.ValveContext;)V(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Lorg.apache.catalina.Request;Lorg.apache.catalina.Response;)V(StandardPipeline.java:643)
----- Root Cause -----