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Head First Servlets and JSP, 2nd Edition by Bert Bates, Bryan Basham, Kathy Sierra

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She deploys and tests it

It’s trivial to deploy and test. The only tricky part is making sure that the Counter class is available to the JSP, and that’s easy—just be sure the Counter class is in the WEB-INF/classes directory of the web app. She accesses the JSP directly in the browser at: http://localhost:8080/testJSP1/BasicCounter.jsp

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What she expected:

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What she got:

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