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Re: [jetty-users] Possible bug in 9.4 HttpServletResponse redirect?
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Sorry for being loud: I forgot to mention that both body copying actions
are only performed when a body is actually available (either
Content-Length or Transfer-Encoding). So in case of a redirect
HttpServletResponse#getOutputStream is never called.
Cheers,
Silvio
On 01/05/2017 04:14 PM, Silvio Bierman wrote:
Hello all,
With Jetty 9.4 I experience failure of some code that used to work
with previous Jetty versions. But since I am unsure if my code is
valid I want to check here first.
My code is supposed to proxy an incoming request by forwarding it to
another server (using HttpURLConnection) and then pass back the result
to the response. In pseudo-code and somewhat simplified it does
something like:
- forward all headers from HttpServletRequest#getHeaderNames +
HttpServletRequest#getHeaders via HttpURLConnection#addRequestProperty
- forward request body from HttpServletRequest#getInputStream to
HttpURLConnection#getOutputStream
- pass back all headers from HttpURLConnection#getHeaderFields to
HttpServletResponse#addHeader
- pass back response body from HttpURLConnection#getInputStream to
HttpServletResponse#getOutputStream
- HttpServletResponse#sendError(HttpURLConnection#getResponseCode)
Note that there is no special handling for redirects since passing
back the Location header and then sendError(302) used to be OK.
Using Jetty 9.4 this no longer works. Setting the Location header and
then sendError(302) does not give a redirect. Only if I explicitly
handle response code 302 and do
HttpServletResponse#sendRedirect(location) does the redirect work.
Reverting to 9.3 solves the issue. But since I do not know if my code
is valid I am not sure this signifies a bug in 9.4. Would anyone like
to comment on this?
Cheers,
Silvio
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