因为要做webservice,
原来在web.xml里面配置的是:
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
把service的也拦截了。
后来改成
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping>
发现访问jsp出现以下错误:
The Struts dispatcher cannot be found. This is usually caused by using Struts tags without the associated filter. Struts tags are only usable when the request has passed through its servlet filter, which initializes the Struts dispatcher needed for this tag. - [unknown location]
at org.apache.struts2.views.jsp.TagUtils.getStack(TagUtils.java:60)
at org.apache.struts2.views.jsp.StrutsBodyTagSupport.getStack(StrutsBodyTagSupport.java:44)
at org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:48)
at org.apache.jsp.message._404_jsp._jspService(_404_jsp.java:159)
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:377)
后改为:
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>*.action</url-pattern>
<url-pattern>*.jsp</url-pattern>
</filter-mapping>
只要多加一个.jsp的过滤就可以了。
因为jsp里面用到了s2的标签,如果是纯粹的jsp,不加这个也是可以的。
Struts2与JSP集成问题解决
本文介绍了一个关于Struts2框架与JSP页面集成的问题及解决方案。原本使用Struts2拦截所有请求导致WebService出现问题,通过调整配置只让.action请求通过Struts2过滤器后,访问JSP页面时出现了Struts dispatcher未找到的错误。最终通过增加对.jsp文件的过滤解决了此问题。
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