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Author: Chad Berkley
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Date: 3/5/2007
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This file covers deploying the gwt created ajax code and servlet to a non-google
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version of tomcat. This allows for the installation of the servlet(s) along
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side a normal metacat installation. This file assumes you've already done
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the steps highlighted in the README file.
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1) Create a servlet on your tomcat instance called "rpc". This is a simple
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servlet that just runs the google remote procedure call (rpc) services. Use
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the web.xml file from the ./tomcat/webapps/ROOT/WEB-INF directory. You'll
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also need to copy all of the gwt jar files from your gwt installation as well
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as all of the jar files in ./lib. Use the gwt-user.jar and gwt-dev.jar from
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metacat/lib. If you use the ones from the gwt distro, tomcat won't load them
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due to the presence of javax.servlet.Servlet.
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2) copy ./src/org/kepler/web/service/KeplerServiceServlet.java to
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metacat/src/org/kepler/web/service/ and update the KeplerServiceServlet.java
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Edit the file with the correct url to your metacat servlet (line 6 in the code).
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Make sure the moduleRelativeURL exactly matches the url that will be browsed
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to! I.E. Don't use "localhost" if you intend to browse to an actual machine
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name. This confuses the RPC and will cause problems.
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3) Copy the lib/gwt-*.jar files to metacat/lib. Note this may cause some
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problems with jsp compilation.
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4) run 'ant package' (from the ajax dir) and copy the newly created
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kepler-web.jar file to metacat/lib/. Make sure you updated the hard coded
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servlet paths in the java code before doing this.
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5) run 'ant install' from your metacat directory
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6) make sure tomcat restarts
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7) run ./KeplerClient-compile and copy the contents of the www directory
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to some web accessible location, then browse to the KeplerClient.html file
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and the javascript should run.
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--------------------------------
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If this doesn't work for some reason, keep in mind the main things you need.
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They are:
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* the rpc servlet
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* the KeplerServiceServlet servlet. In the web.xml file, I have called this
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'gwt' so the address will be: http://server:8080/servletpath/gwt
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* the compiled javascript (ajax) code
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* hard coded server/servlet paths correctly changed
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* all jar files accessible to tomcat
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