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    <div class="moz-cite-prefix">On 24.01.2019 19:13, Alexander Borisov
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:57653B04-F811-4812-9C6B-5F803F399135@nginx.com">
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      Hi Александр,
      <div class=""><br class="">
      </div>
      <div class="">Please, try this patch for fix the problem:</div>
      <div class="">
        <div style="color: rgb(212, 212, 212); background-color: rgb(30, 30, 30); font-family: Menlo, Monaco, "Courier New", monospace; line-height: 18px; white-space: pre;" class=""><div class=""><span style="color: #6a9955;" class=""># HG changeset patch</span></div><div class=""><span style="color: #6a9955;" class=""># User Alexander Borisov <<a href="mailto:alexander.borisov@nginx.com" class="" moz-do-not-send="true">alexander.borisov@nginx.com</a>></span></div><div class=""><span style="color: #6a9955;" class=""># Date 1548345939 -10800</span></div><div class=""><span style="color: #6a9955;" class="">#      Thu Jan 24 19:05:39 2019 +0300</span></div><div class=""><span style="color: #6a9955;" class=""># Node ID a0a93e0673de88519bfd1062bdb6df166aa5ffa9</span></div><div class=""><span style="color: #6a9955;" class=""># Parent  dace60fc4926351efe9322761faf974b0ce7964a</span></div><div class="">Perl: fixed issue with body reading from response object.</div>
</div>
        <div>
          <blockquote type="cite" class="">
            <div class="">
              <blockquote type="cite" style="font-family: Helvetica;
                font-size: 12px; font-style: normal; font-variant-caps:
                normal; font-weight: normal; letter-spacing: normal;
                orphans: auto; text-align: start; text-indent: 0px;
                text-transform: none; white-space: normal; widows: auto;
                word-spacing: 0px; -webkit-text-size-adjust: auto;
                -webkit-text-stroke-width: 0px; text-decoration: none;"
                class="">
                <blockquote type="cite" class="">The smallest possible
                  app, however, does not run<br class="">
                  <br class="">
                  ===<br class="">
                  #!/usr/bin/env perl<br class="">
                  use Mojolicious::Lite;<br class="">
                  get '/' => sub {<br class="">
                       my $c = shift;<br class="">
                  $c->render(text=>'hello');<br class="">
                  };<br class="">
                  <br class="">
                  app->start;<br class="">
                  ===<br class="">
                  <br class="">
                  2019/01/23 09:41:23.029 [error] 26579#26579 [unit] #4:
                  PSGI: Failed to<br class="">
                  run Perl Application:<br class="">
                  Undefined subroutine &main::1 called.<br class="">
                  <br class="">
                  plackup runs it Ok, so there is some incompatibility,
                  which I do not<br class="">
                  know how to trace.<br class="">
                  <br class="">
                  What kind of error in framework can it be and how to
                  trace it?<br class="">
                  <br class="">
                </blockquote>
                [..]<br class="">
                <br class="">
                <a
href="https://mojolicious.org/perldoc/Mojolicious/Guides/Cookbook#PSGI-Plack"
                  class="" moz-do-not-send="true">https://mojolicious.org/perldoc/Mojolicious/Guides/Cookbook#PSGI-Plack</a><br
                  class="">
                <br class="">
                Seems it doesn't behave like PSGI application by
                default,<br class="">
                unless there's a PLACK_ENV environment variable.<br
                  class="">
                <br class="">
                Unit doesn't set PLACK_ENV by default.<br class="">
              </blockquote>
              <br style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">Sorry for doubleposting, but I've
                found one strange thing.</span><br style="caret-color:
                rgb(0, 0, 0); font-family: Helvetica; font-size: 12px;
                font-style: normal; font-variant-caps: normal;
                font-weight: normal; letter-spacing: normal; text-align:
                start; text-indent: 0px; text-transform: none;
                white-space: normal; word-spacing: 0px;
                -webkit-text-stroke-width: 0px; text-decoration: none;"
                class="">
              <br style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">root@VMNEW:~# telnet localhost
                8000</span><br style="caret-color: rgb(0, 0, 0);
                font-family: Helvetica; font-size: 12px; font-style:
                normal; font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">Trying ::1...</span><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">Trying 127.0.0.1...</span><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">Connected to localhost.</span><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">Escape character is '^]'.</span><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">GET / HTTP/1.0</span><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <br style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">HTTP/1.1 200 OK</span><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">Content-Length: 6</span><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">Date: Wed, 23 Jan 2019 19:31:37
                GMT</span><br style="caret-color: rgb(0, 0, 0);
                font-family: Helvetica; font-size: 12px; font-style:
                normal; font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">Content-Type:
                text/html;charset=UTF-8</span><br style="caret-color:
                rgb(0, 0, 0); font-family: Helvetica; font-size: 12px;
                font-style: normal; font-variant-caps: normal;
                font-weight: normal; letter-spacing: normal; text-align:
                start; text-indent: 0px; text-transform: none;
                white-space: normal; word-spacing: 0px;
                -webkit-text-stroke-width: 0px; text-decoration: none;"
                class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">Server: Unit/1.7</span><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <br style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">Connection closed by foreign host.</span><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <br style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">when I was expecting "hello\n" to
                be sent as output. You see, Content-Length is correct,
                but no actual content.</span><br style="caret-color:
                rgb(0, 0, 0); font-family: Helvetica; font-size: 12px;
                font-style: normal; font-variant-caps: normal;
                font-weight: normal; letter-spacing: normal; text-align:
                start; text-indent: 0px; text-transform: none;
                white-space: normal; word-spacing: 0px;
                -webkit-text-stroke-width: 0px; text-decoration: none;"
                class="">
              <br style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">Alex</span><br style="caret-color:
                rgb(0, 0, 0); font-family: Helvetica; font-size: 12px;
                font-style: normal; font-variant-caps: normal;
                font-weight: normal; letter-spacing: normal; text-align:
                start; text-indent: 0px; text-transform: none;
                white-space: normal; word-spacing: 0px;
                -webkit-text-stroke-width: 0px; text-decoration: none;"
                class="">
              <br style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">_______________________________________________</span><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <span style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none; float: none; display: inline
                !important;" class="">unit mailing list</span><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <a href="mailto:unit@nginx.org" style="font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; orphans: auto; text-align:
                start; text-indent: 0px; text-transform: none;
                white-space: normal; widows: auto; word-spacing: 0px;
                -webkit-text-size-adjust: auto;
                -webkit-text-stroke-width: 0px;" class=""
                moz-do-not-send="true">unit@nginx.org</a><br
                style="caret-color: rgb(0, 0, 0); font-family:
                Helvetica; font-size: 12px; font-style: normal;
                font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
              <a href="https://mailman.nginx.org/mailman/listinfo/unit"
                style="font-family: Helvetica; font-size: 12px;
                font-style: normal; font-variant-caps: normal;
                font-weight: normal; letter-spacing: normal; orphans:
                auto; text-align: start; text-indent: 0px;
                text-transform: none; white-space: normal; widows: auto;
                word-spacing: 0px; -webkit-text-size-adjust: auto;
                -webkit-text-stroke-width: 0px;" class=""
                moz-do-not-send="true">https://mailman.nginx.org/mailman/listinfo/unit</a></div>
          </blockquote>
        </div>
        <br class="">
      </div>
      <br>
    </blockquote>
    <p>Cool, it nearly works. But looks like headers with underscore
      (yes I know that's wrong) are not passed to PSGI app</p>
    <p>Alex<br>
    </p>
  </body>
</html>