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Core Servlets and JavaServer Pages (Vol. 1. Core by Marty Hall, Larry Brown

By Marty Hall, Larry Brown

Within the Java universe, the interface layer of the ever present model-view-controller (MVC) software program layout paradigm is dealt with by means of both servlets of JavaServer Pages (JSP). the second one variation of center Servlets and JavaServer Pages, like its predecessor, records those convenient applied sciences totally and virtually. excess of a immediately API reference, this e-book provides examples - entire with code and an inventory or display shot exhibiting effects - at any place attainable. it is a outstanding approach for speaking to programmers what they should do on the way to in attaining the consequences and behaviors they hope. what is new within the moment variation? plenty, when it comes to its eponymous software program improvement environments: The e-book covers servlets 2.4 and JSP 2.0. The examples are extra subtle, too, and extra cognizance is paid to aiding applied sciences like internet and database servers.The didactic strategy of authors Marty corridor and Larry Brown is recipe-like. they often commence with a press release of an issue to be solved, then speak about proper facets of the servlet or JSP API. a chain of code listings follows, and monitor pictures displaying effects raise the rear. the internet impact is that it is simple to identify proper sections within the desk of contents, it really is transparent how implementation works (thanks to the large listings) and there is no doubt approximately what the consequences are meant to be. extra complicated examples express how servlets and JSP paintings in purchasing cart, public sale, and different functions. this can be a major and precious replace to a massive Java e-book.

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Setting your CLASSPATH. Tell the compiler about the servlet and JSP JAR file and the location of your development directory. Setting this variable incorrectly is the single most common cause of problems for beginners. 3. Making shortcuts to start and stop the server. Make sure it is convenient to start and stop the server. 4. Bookmarking or installing the servlet and JSP API documentation. You'll refer to this documentation frequently, so keep it handy. The following subsections give details on each of these steps.

Part I: Servlet Technology 35 36 Part I: Servlet Technology 2. Specifying the port. conf and change the value of the port attribute of the http element from 8080 to 80. Details are given in the following subsections. Setting the JAVA_HOME Variable The most important setting is the JAVA_HOME environment variable. This variable should refer to the base SDK installation directory. bat. 1_01 Specifying the Resin Port To avoid conflicts with preexisting servers, Resin uses port 8080 by default. However, if you won't be simultaneously running another server, you will probably find it convenient to change Resin to use port 80, the standard HTTP port.

C:\ServletDevel on Windows). It should not, however, be in the server's installation directory. 11, "Web Applications: A Preview"). For initial testing of your environment, however, you can just put servlets either directly in the development directory (for packageless servlets) or in a subdirectory that matches the servlet package name. After compiling, you can simply copy the class files to the server's default Web application. 10). 9 (Establish a Simplified Deployment Method). Although developing in the deployment directory seems simpler at the beginning since it requires no copying of files, it significantly complicates matters in the long run.

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