charset

[Optional][Default: UTF-8]

It specifies the default charset for the output of the DSP interpreter.

If an empty string is specified as follows, the container's default is used. In other words, the setCharacterEncoding method of javax.servlet.ServletResponse is not called.

class-resource

[Optional][Default: false]

Specifies whether to load resources, such as TLD files, from the class loader, in addition to the servlet context.

compress

[Optional][Default: true]

It specifies whether to compress the output if the browser supports the compression (Accept-Encoding) and this Servlet is not included by other Servlets.