API Questions

[Gabriel Wong]

Hi,

I have some API questions, hopefully someone can shed some light.

RequestDistpatcher:
Why does forward throw an IllegalStateException while include throw IOException if the
ServletOutputStream or a writer had already been obtained from the response object.
Shouldn't they both throw the same exception (IllegalStateException)?

ServletResponse:
Why is it that an exception is not thrown if getWriter/getOutputStream are called more
than once?

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