Hello, Kaiduan!<br><div class="Ih2E3d"><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Please
follow the System Principles closely and use the source code
target_system.erl it provides. I had used the way to do hot update and
it worked well.</blockquote>
</div><br>You were right that using custom target system (not initial) is the solution. Now hot updates work to me. Thanks for your help!<br><br>I just thought that using default (initital) Erlang system will be more convenient than creating target system by hand.<br>
<br>--<br>Sergey