作者: blackjack

發佈於

nginx 出現upstream timed out (60: Operation timed out) while reading response header from upstream錯誤訊息

運作好一陣子的nginx web server，今天突然接到使用者反映出現「An error occurred」，查看log訊息看到「upstream timed out (60: Operation timed out) while reading response header from upstream」錯誤訊息。

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