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  • Dispatcher Result
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Includes or forwards to a view (usually a jsp). Behind the scenes Struts will use a RequestDispatcher, where the target servlet/JSP receives the same request/response objects as the original servlet/JSP. Therefore, you can pass data between them using request.setAttribute() - the Struts action is available.

There are three possible ways the result can be executed:

  • If we are in the scope of a JSP (a PageContext is available), PageContext's {@link PageContext#include(String) include} method is called.
  • If there is no PageContext and we're not in any sort of include (there is no "javax.servlet.include.servlet_path" in the request attributes), then a call to {@link RequestDispatcher#forward(javax.servlet.ServletRequest, javax.servlet.ServletResponse) forward} is made.
  • Otherwise, {@link RequestDispatcher#include(javax.servlet.ServletRequest, javax.servlet.ServletResponse) include} is called.

Parameters

  • location (default) - the location to go to after execution (ex. jsp).
  • parse - true by default. If set to false, the location param will not be parsed for Ognl expressions.

Examples

Error rendering macro 'code': Invalid value specified for parameter 'java.lang.NullPointerException'

<result name="success" type="dispatcher">
  <param name="location">foo.jsp</param>
</result>

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