Github user sudheerv commented on the pull request: https://github.com/apache/trafficserver/pull/216#issuecomment-111157498 @ffcai : I think you should delay the sending of "100 CONT" to at least until after calling *is_request_valid()*, which occurs in *HttpTransact::HandleRequest*. It doesn't make sense to send back a "100 CONT" for a request that may end up returning an error (due to http header validation failures). At that point, you have all the information (e.g transfer-encoding, or content-length etc) that is needed to preserve the conditional checks as they existed before.
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