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Editorial Team
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Asked: 2026-06-14T18:19:43+00:00

I have a GWT dynamic web project and I generate the .war file I

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  1. I have a GWT dynamic web project and I generate the .war file
  2. I test it on a Tomcat in localhost, works fine.
  3. I upload it to Amazon Web Services, Elastic Beanstalk running an Apache Tomcat 6
  4. When I run the deployed version in AWS, it cant find the servlets, like they don’t exist
  5. Tried it with a new GWT project, still wont work: “Servlet not found”

I’m kind of stuck. I’m not sure if this is a GWT issue or if I’m doing something wrong with AWS-Elastic Beanstalk.

Any help is appreciated.

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1 Answer

  1. Editorial Team

    So I found the solution after doing a lot testing and stuff:

    A Tomcat 6 is whats running under the hood in elastic beanstalk and by default, when you upload a XYZ.war file to a Tomcat, the context-url is (context-root)/XYZ.
    I was uploading a war named MyWebProject.war, so to Tomcat, it is deployed on (context-root)/XYZ but to elastic beanstalk, it is deployed to YOUR_URL.elasticbeanstalk.com

    This obiously causes the web.xml to get confused in a really weird way, so tu summarize:

    Rename you XYZ.war to ROOT.war and upload it. That should fix the problem.

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