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The Struts 2 framework will write to a log a great deal of information if you've configured the log properties to log at the debug level. In the example application, view log4j.xml. The two major packages involved in the Struts 2 framework, frameworkcomcom.opensymphony and org.apache.struts2, are configured to write debug and above log messages. When you run the application view the standard out for your Servlet container to see all the information written to the log.

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