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[core] reduce trace on Upgrade backend connection 

reduce trace on Upgrade'd backend connection when ECONNRESET received,
which, for example, apparently might occur if a backend calls close()
on socket without first calling shutdown(fd, SHUT_WR) -- seen on Linux
kernel 5.16.15 where lighttpd received ECONNRESET when trying to read()
(instead of receiving EOF).
personal/stbuehler/tests-path
Glenn Strauss 2022-03-25 02:13:54 -04:00
parent 38a01d98ff
commit b0e43f3bf7
1 changed files with 2 additions and 1 deletions
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3
src/gw_backend.c
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@ -2412,7 +2412,8 @@ static handler_t gw_recv_response_error(gw_handler_ctx * const hctx, request_st
"socket: %s for %s?%.*s, closing connection",
(long long)hctx->wb.bytes_out, proc->connection_name->ptr,
r->uri.path.ptr, BUFFER_INTLEN_PTR(&r->uri.query));
} else if (!light_btst(r->resp_htags, HTTP_HEADER_UPGRADE)) {
} else if (!light_btst(r->resp_htags, HTTP_HEADER_UPGRADE)
&& !r->h2_connect_ext) {
log_error(r->conf.errh, __FILE__, __LINE__,
"response already sent out, but backend returned error on "
"socket: %s for %s?%.*s, terminating connection",