The mpm module is not supported by mod_http2

Konstantinos Adam

• July 29, 2017 12:05

Hello everyone. I am currently experiencing trouble using http2 protocol. I already installed mod_http2 via WHM -> EasyApache4 and the apache recompiled successfully. My hostings using php7.1 and in all of them I have installed AutoSSL. I see in apache error logs (/usr/local/apache/logs/error_log), the following: [Sat Jul 29 18:06:16.974193 2017] [http2:info] [pid 899] AH03090: mod_http2 (v1.10.7, feats=CHPRIO+SHA256+INVHD+DWINS, nghttp2 1.20.0), initializing... [Sat Jul 29 18:06:16.974215 2017] [http2:warn] [pid 899] AH10034: The mpm module (prefork.c) is not supported by mod_http2. The mpm determines how things are processed in your server. HTTP/2 has more demands in this regard and the currently selected mpm will just not do. This is an advisory warning. Your server will continue to work, but the HTTP/2 protocol will be inactive. Also, in access logs, I see this: [29/Jul/2017:19:53:50 +0300] "GET / HTTP/1.1" 200 621 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:54.0) Gecko/20100101 Firefox/54.0" So my requests are using http1.1 protocol instead of http2. I have disable antivirus and network protection, but with no luck. I have tried accessing my websites using different computers, different networks (just in case I had a faulty browser or some kind of restriction), but with no luck. Can anyone please help on this? Thank you in advance.

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  cPanelMichael

  • July 31, 2017 17:37

  The mpm module (prefork.c) is not supported by mod_http2. The mpm determines how things are processed in your server. HTTP/2 has more demands in this regard and the currently selected mpm will just not do. This is an advisory warning. Your server will continue to work, but the HTTP/2 protocol will be inactive.

  
  Hello, This is discussed on the following thread: Prefork and HTTP2 Thank you.

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