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Since you are not able to access .html itself the tomacat has not started properly. After starting tomcat please verify that you are able to acces the default tomacat website/webpage. Then again once you are able to access the html file it prompts to enter some data (as per your code). After you enter the details and click submit button again it will throw error unless you correct the spelling of "servlet" as some one has already pointed out. Incorrect spelling "servlet" is noway related to the .html file.