java - Tomcat not picking the showing 404 on index.html -

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i new servelests , building web application. when create new html file in myproejct under web pages folder in netbeans , compilling file shows 404 error following url

http://localhost:8080/myproject/

but when change url 

http://localhost:8080/myproject/index.html

it shows page..

and when creating index.jsp instead of index.html , compile in netbeans shown in browser

why happen ????? hint ??

is index.html under web-inf or webcontent?

it should under webcontent folder , map in web.xml.


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