Servlet Container

A servlet container is part of an Application server or web server that implements some version of the Java Servlet Specification. In simpler terms a Servlet Container is a program which can receive requests from web pages and redirect those requests to a Servlet object.

All servlet containers must support HTTP based request and response model. They may support additional request/response-based protocols such as HTTPS (HTTP over SSL).

When the Servlet Engine started, needed servlet classes must be located by the servlet container. The servlet container loads the servlet class using normal Java class loading facilities. The loading may be from a local file system, a remote file system, or other network services. After loading the Servlet class, the container instantiates it for use.

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