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Alex Chaffee

Look for the method ServletContext.log(String) or GenericServlet.log(String). These will write to a servlet log file maintained by your servlet container.

E.g.:

  log("Servlet called with name " + request.getParameter("name"));

If this is insufficient, you can use java.io classes to write your own files.

See also:

• Where does the output of System.out and System.err go in a servlet?
• Can I get at the OutputStream that is buried underneath ServletContext.log()?