Hi, In Curl 7.62.0, this now defaults to using HTTP 2.0 for connections where h2 is available, when build with h2 support. Is there a way to set the libcurl options to force http 1.1 for all connections rather than using 'no flag' which lets libcurl choose the connection mechanism? I have tried the following: import std.net.curl; http = HTTP(); http.handle.set(CurlOption.http_version,"v1_1"); However this generates the following error: std.net.curl.CurlException@std/net/curl.d(4340): Unsupported protocol on handle 555E47E726A0 Can anyone advise how to set the curl options so that I can tell the library to only use http 1.1? The issue I am trying to solve is - when DMD is using HTTP2 for file downloads, 'something' is happening when the file download is being completed which is causing an error - as the file 'disappears'. When downgrading the curl library to 7.61.0 (which does not enable http2 by default) there is no issue. References: https://dlang.org/library/etc/c/curl/curl_http_version.html https://github.com/abraunegg/onedrive/issues/220 https://github.com/curl/curl/issues/3253
See issue 19367 - until 8 november phobos didn't support http2, you're getting http status 0 and throw an exception for it, you also have a scope guard that deletes the file if exception is thrown, that exception is later caught and ignored, that's why you don't see anything happening. It's a good idea to log exception in its constructor - as soon as possible - this way you have little chance to ignore it, it's a life saver in remote debugging.
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