IssueTracker

In google\appengine\tools\devappserver2\request_rewriter.py, headers including Content-Encoding are discarded improperly. When Content-Encoding: chunked is used in request, the "main" body of the request will be empty, with subsequent chunks following.

The result is that neither Content-Length nor Content-Encoding are set, resulting an empty body received by the backend. This behavior is *incorrect*. Clients including Node.js http module sends out chunked requests by default.

I have not verified if this issue also applies to the production frontend, since there's no source code to inspect and the debugging would be hard. Please also check it for the same issue.