<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div>Do you have some other logs?</div><div>Preferably the one where the message below is printed.</div><div><br class=""><blockquote type="cite" class=""><div class="">On 21 May 2019, at 05:39, Monk Boy <<a href="mailto:boyofmonk@gmail.com" class="">boyofmonk@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div 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="">#2 0x000000000045806e in erl_exit_vv (n=1, flush_async=flush_async@entry=0, fmt=fmt@entry=0x5fbce8 "%s: Cannot %s %lu bytes of memory (of type \"%s\", thread %d).\n", args1=args1@entry=0x7fda361ba830, args2=args2@entry=0x7fda361ba848)</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=""> at beam/erl_init.c:2123</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=""></div></blockquote></div><br class=""><div class="">This could be out of memory, but also something else “Cannot %s” …</div><div class=""><br class=""></div><div class="">If it is OOM then you can easily check the memory usage of beam.smp whilst it is running.</div><div class="">That would give enough hints.</div><div class=""><br class=""></div><div class="">Also check your running server with ‘etop’. </div><div class=""><br class=""></div><div class="">Cowboy has configurations max request content length, it will refuse the request with a 4xx error.</div><div class="">Afaik it defaults to 64K for urlencoded bodies and 8M for other bodies.</div><div class=""><br class=""></div><div class="">- Marc</div><div class=""><br class=""></div></body></html>