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Editorial Team
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Asked: 2026-06-11T17:10:22+00:00

Following this tutorial , I could execute GWT app using eclipse. I could access

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Following this tutorial, I could execute GWT app using eclipse. I could access the app at http://127.0.0.1:8888/De_vogella_gwt_helloworld.html?gwt.codesvr=127.0.0.1:9997.

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Then, I googled to find a way to deploy the app to tomcat, and I found this site. It has two step way to exporting GWT app to tomcat.

  1. Exporting the src directory into jar file.
  2. Using ant create a war file.

I copied the hello.war file into /Library/Tomcat/webapps, and open the browser with localhost:8080/hello to get this error.

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When I click the HTML file in webapps directory, so I think something’s wrong with the packaging.

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What might be wrong?

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1 Answer

  1. Editorial Team

    You need to compile your GWT app to run in production mode. See this section of the GWT doc for detailed steps (for GWT 2.4).

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