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Editorial Team
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Asked: 2026-05-27T11:21:22+00:00

I’ve been following the tutorial on building a sample GWT Application: http://code.google.com/webtoolkit/doc/latest/tutorial/gettingstarted.html I then

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I’ve been following the tutorial on building a sample GWT Application: http://code.google.com/webtoolkit/doc/latest/tutorial/gettingstarted.html

I then wanted to try exposing a servlet for serving up some JSON data according to this tutorial: http://code.google.com/webtoolkit/doc/latest/tutorial/JSON.html

Both tutorials are very clear and I had no issues getting it to work in Eclipse running in development mode. The way I’m testing it is by going to this URL: http://localhost:8888/stockwatcher/stockPrices?q=ABC+DEF That returns json results just as is designed in the tutorial. But now I want to deploy this project as a war file and run it in my own Tomcat server. I found this tutorial for deploying turning the project into a .war file: http://blog.elitecoderz.net/gwt-and-tomcat-create-war-using-eclipse-to-deploy-war-on-tomcat/2009/12/. It was clear, and the .war file built without any errors, but after I deploy it, my servlet for JSON data does not work. I simply get a 404 page and nothing happens. I also don’t see anything in the server.log. Also, I am attempting to deploy this in Tomcat 6, if that makes any difference.

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1 Answer

  1. Editorial Team

    I figured it out; it was a problem with the url-pattern tag in my web.xml file.

    This is what I had:

    <url-pattern>/stockwatcher/stockPrices</url-pattern>

    but this resulted in the stockPrices servlet being accessible from this URL: http://127.0.0.1:8080/stockwatcher/stockwatcher/stockPrices?q=ABC

    Instead, I changed it to:

    <url-pattern>/stockPrices</url-pattern>

    Because it’s already within the stockwatcher war context.

    Now this link works as expected: http://127.0.0.1:8080/stockwatcher/stockPrices?q=ABC

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