运行后出现以下异常:java.lang.NullPointerException
org.apache.struts2.views.jsp.TagUtils.getStack(TagUtils.java:58)
org.apache.struts2.views.jsp.StrutsBodyTagSupport.getStack(StrutsBodyTagSupport.java:54)
org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:49)
org.apache.jsp.input_jsp._jspx_meth_s_005fif_005f0(input_jsp.java:92)
org.apache.jsp.input_jsp._jspService(input_jsp.java:64)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)试了半天终于解决了,把web.xml struts2的filter的url-pattern该成/*,即所有请求都经过struts2的fillter处理,而不是只处理*.action.估计使用struts2/webwork的标签要先经过filter处理才不会出错.
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