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Modern IDEs provide excellent support for debugging. In addition, the framework provides support for inspecting framework-specific objects at runtime.
The Debugging Interceptor provides three debugging modes to provide insight into the data behind the page. The
xml mode formats relevant framework objects as an XML document. The
console mode provides a OGNL command line that accepts entry of runtime expressions, and the
browser mode adds an interactive page that display objects from the Value Stack (it requires the Dojo Plugin)
To use the debugging, first be sure that
struts.devMode is set to
true is enabled through the struts.properties file or
struts.xml file, like:
Then, whenever a page needs debugging, add
?debug=browser to the URL.