Hello Sirinivas, i am here in sending u it again 1.. Install the JDK. Make sure you have JDK 1.3 or 1.4 installed and your PATH set so that both "java -version" and "javac -help" give a result. 2.. Configure Tomcat. 3.. Download the software. Go to http://jakarta.apache.org/builds/jakarta-tomcat-4.0/release/ and download and unpack the zip file for the latest version (4.1.24 as of last revision of this page). 4.. Enable the ROOT context. Edit install_dir/conf/server.xml and uncomment this line: <Context path="" docBase="ROOT" debug="0"/>. Not necessary in Tomcat 4.0.3 and earlier. In Tomcat 5.0.3, the element is missing the trailing slash and you need to add it. 5.. Enable the invoker servlet. Go to install_dir/conf/web.xml and uncomment the servlet-mapping element that maps the invoker servlet to /servlet/*. Not necessary prior to Tomcat 4.1.12. 6.. Change the port to 80. Edit install_dir/conf/server.xml and change the port attribute of the Connector element from 8080 to 80. 7.. Turn on servlet reloading. Edit install_dir/conf/server.xml and add a DefaultContext subelement to the main Service element and supply true for the reloadable attribute. 8.. Set the JAVA_HOME variable. Set it to refer to the base JDK directory, not the bin subdirectory. 9.. Change the DOS memory settings. If you get an "Out of Environment Space" error message when you start the server, right-click on install_dir/bin/startup.bat, select Properties, select Memory, and change the Initial Environment entry from Auto to at least 2816. Repeat the process for install_dir/bin/shutdown.bat. 10.. Set the CATALINA_HOME variable. Optionally, set CATALINA_HOME to refer to the top-level Tomcat installation directory. 11.. Test the server. 12.. Verify that you can start the server. Double-click install_dir/bin/startup.bat and try accessing http://localhost/. 13.. Check that you can access your own HTML & JSP pages. Drop some simple HTML and JSP pages into install_dir/webapps/ROOT and access them with http://localhost/filename. 14.. Set up your development environment. 15.. Create a development directory. Put it anywhere except within the Tomcat installation hierarchy. 16.. Make shortcuts to the Tomcat startup & shutdown Scripts. Put shortcuts to install_dir/bin/startup.bat and install_dir/bin/shutdown.bat in your development directory and/or on your desktop. 17.. Set your CLASSPATH. Include the current directory ("."), install_dir/common/lib/servlet.jar, and the main development directory. 18.. Bookmark the servlet & JSP javadocs. Add install_dir/webapps/tomcat-docs/servletapi/index.html to your bookmarks/favorites list. 19.. Compile and test some simple servlets. 20.. Test a packageless servlet. Compile a simple servlet, put the .class file in install_dir/webapps/ROOT/WEB-INF/classes, and access it with http://localhost/servlet/ServletName. 21.. Test a servlet that uses packages. Compile the servlet, put the .class file in install_dir/webapps/ROOT/WEB-INF/classes/packageName, and access it with http://localhost/servlet/packageName.ServletName. 22.. Test a servlet that uses packages and utility classes. Follow the same procedure as the second step above. This third step verifies that the CLASSPATH includes the top level of your development directory. 23.. Establish a simplified deployment method. 24.. Copy to a shortcut. Make a shortcut to install_dir/webapps/ROOT. Copy packageless .class files directly there. With packages, copy the entire directory there. 25.. Use the -d option of javac. Use -d to tell Java where the deployment directory is. 26.. Let your IDE take care of deployment. Tell your IDE where the deployment directory is and let it copy the necessary files. 27.. Use ant or a similar tool. Use the Apache make-like tool to automate copying of files.
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