struts2.0+jsp error

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posted 15 years ago

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why it is showing this errro?
org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 19

16: </tr>
17: <tr><td> </td></tr>
18: <tr>
19: <td><c:a href="alias.jsp">Interceptor Example</c:a></td>
20: </tr>
21:
22: </table>

vineet walia

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posted 15 years ago

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root cause

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]
org.apache.struts2.views.jsp.TagUtils.getStack(TagUtils.java:60)
org.apache.struts2.views.jsp.StrutsBodyTagSupport.getStack(StrutsBodyTagSupport.java:44)
org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:48)
org.apache.jsp.index_jsp._jspx_meth_c_005fa_005f0(index_jsp.java:109)
org.apache.jsp.index_jsp._jspService(index_jsp.java:77)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

Raza Mohd

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posted 15 years ago

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You can use Html anchor for that if you want to display jsp page..
or use Struts anchor if anction to all as its not associated to a struts filter (Controller).

Thanks
Raza!

Good luck!!
A small leak can sink a Gigantic ship.>

David Newton

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posted 15 years ago

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Most likely you are accessing the page without running it through the Struts 2 filter, just like the error message says. You might be accessing the JSP page directly, rather than through an action.

It is a Very Bad Idea to use the "c:" prefix for S2 tags, since "c:" is normally reserved for JSTL core tags. I'd strongly recommend using the standard "s:" or something else unlikely to confuse every JSP developer in the world.

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