Nginx
Nginx 重啟後需要重新載入
我在 RPi3 上執行 raspbian，我已經安裝並配置了 nginx 以代理在不同埠上執行的兩個不同應用程序：
server { listen 80 default_server; root /var/www/html; index index.html index.htm index.nginx-debian.html index.php; server_name _; location /first/ { proxy_pass http://localhost:8081; proxy_set_header Host localhost:8081; proxy_redirect default; } location /second/ { proxy_pass http://localhost:9091; } location / { try_files $uri $uri/ =404; } }但是，每當我重新啟動 Pi 時，nginx 似乎以某種方式載入錯誤。它不會失敗，我可以訪問根目錄下的靜態頁面。但是，在 /first/ 和 /second/ 位置上執行的應用程序無法正常工作（因為它們的 js 和 css 等資源無法載入）。在error.log中我可以看到：
2016/04/17 11:24:04 [alert] 1777#0: *86 socket() failed (97: Address family not supported by protocol) while connecting to upstream, client: 192.168.1.237, server: _, request: "GET /first/home/ HTTP/1.1", upstream: "http://[::1]:8081/first/home/", host: "raspberry"如果我再做一個簡單的
sudo service nginx reload一切都很好。我的猜測是，不知何故，在啟動期間，nginx 載入得太早並且沒有正常工作所需的一切。但是，沒有設法弄清楚那會是什麼以及如何解決它。
任何幫助表示讚賞。
**編輯：**添加了初始化腳本
這是用於載入 nginx 的初始化腳本。它應該是標準的，因為我沒有對其進行任何更改。
#!/bin/sh ### BEGIN INIT INFO # Provides: nginx # Required-Start: $local_fs $remote_fs $network $syslog $named # Required-Stop: $local_fs $remote_fs $network $syslog $named # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: starts the nginx web server # Description: starts nginx using start-stop-daemon ### END INIT INFO PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin DAEMON=/usr/sbin/nginx NAME=nginx DESC=nginx # Include nginx defaults if available if [ -r /etc/default/nginx ]; then . /etc/default/nginx fi STOP_SCHEDULE="${STOP_SCHEDULE:-QUIT/5/TERM/5/KILL/5}" test -x $DAEMON || exit 0 . /lib/init/vars.sh . /lib/lsb/init-functions # Try to extract nginx pidfile PID=$(cat /etc/nginx/nginx.conf | grep -Ev '^\s*#' | awk 'BEGIN { RS="[;{}]" } { if ($1 == "pid") print $2 }' | head -n1) if [ -z "$PID" ] then PID=/run/nginx.pid fi # Check if the ULIMIT is set in /etc/default/nginx if [ -n "$ULIMIT" ]; then # Set the ulimits ulimit $ULIMIT fi # # Function that starts the daemon/service # do_start() { # Return # 0 if daemon has been started # 1 if daemon was already running # 2 if daemon could not be started start-stop-daemon --start --quiet --pidfile $PID --exec $DAEMON --test > /dev/null \ || return 1 start-stop-daemon --start --quiet --pidfile $PID --exec $DAEMON -- \ $DAEMON_OPTS 2>/dev/null \ || return 2 } test_nginx_config() { $DAEMON -t $DAEMON_OPTS >/dev/null 2>&1 } # # Function that stops the daemon/service # do_stop() { # Return # 0 if daemon has been stopped # 1 if daemon was already stopped # 2 if daemon could not be stopped # other if a failure occurred start-stop-daemon --stop --quiet --retry=$STOP_SCHEDULE --pidfile $PID --name $NAME RETVAL="$?" sleep 1 return "$RETVAL" } # # Function that sends a SIGHUP to the daemon/service # do_reload() { start-stop-daemon --stop --signal HUP --quiet --pidfile $PID --name $NAME return 0 } # # Rotate log files # do_rotate() { start-stop-daemon --stop --signal USR1 --quiet --pidfile $PID --name $NAME return 0 } # # Online upgrade nginx executable # # "Upgrading Executable on the Fly" # http://nginx.org/en/docs/control.html # do_upgrade() { # Return # 0 if nginx has been successfully upgraded # 1 if nginx is not running # 2 if the pid files were not created on time # 3 if the old master could not be killed if start-stop-daemon --stop --signal USR2 --quiet --pidfile $PID --name $NAME; then # Wait for both old and new master to write their pid file while [ ! -s "${PID}.oldbin" ] || [ ! -s "${PID}" ]; do cnt=`expr $cnt + 1` if [ $cnt -gt 10 ]; then return 2 fi sleep 1 done # Everything is ready, gracefully stop the old master if start-stop-daemon --stop --signal QUIT --quiet --pidfile "${PID}.oldbin" --name $NAME; then return 0 else return 3 fi else return 1 fi } case "$1" in start) [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME" do_start case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; stop) [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME" do_stop case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; restart) log_daemon_msg "Restarting $DESC" "$NAME" # Check configuration before stopping nginx if ! test_nginx_config; then log_end_msg 1 # Configuration error exit 0 fi do_stop case "$?" in 0|1) do_start case "$?" in 0) log_end_msg 0 ;; 1) log_end_msg 1 ;; # Old process is still running *) log_end_msg 1 ;; # Failed to start esac ;; *) # Failed to stop log_end_msg 1 ;; esac ;; reload|force-reload) log_daemon_msg "Reloading $DESC configuration" "$NAME" # Check configuration before reload nginx # # This is not entirely correct since the on-disk nginx binary # may differ from the in-memory one, but that's not common. # We prefer to check the configuration and return an error # to the administrator. if ! test_nginx_config; then log_end_msg 1 # Configuration error exit 0 fi do_reload log_end_msg $? ;; configtest|testconfig) log_daemon_msg "Testing $DESC configuration" test_nginx_config log_end_msg $? ;; status) status_of_proc -p $PID "$DAEMON" "$NAME" && exit 0 || exit $? ;; upgrade) log_daemon_msg "Upgrading binary" "$NAME" do_upgrade log_end_msg 0 ;; rotate) log_daemon_msg "Re-opening $DESC log files" "$NAME" do_rotate log_end_msg $? ;; *) echo "Usage: $NAME {start|stop|restart|reload|force-reload|status|configtest|rotate|upgrade}" >&2 exit 3 ;; esac :
如引用的警報中所述，可能是與其 IPv6("::1") 呼叫的 localhost 相關的問題：
request: "GET /first/home/ HTTP/1.1", upstream: "<http://[::1]:8081/first/home/>"嘗試在您的代理配置中將“localhost”替換為“127.0.0.1”。