nginx 502 Bad Gateway

回答: nginx 502 Bad Gateway错误通常是由于后端的问题引起的。可能是PHP服务的max_requests和max_children参数设置不合适，需要查看日志以确定具体原因。另外，该错误也可能是由于nginx缓冲区的bug造成的，解决方法可以尝试增加缓冲区容量大小设置或者调整client_header_buffer和fastcgi_buffer_size参数。此外，还有其他导致502错误的情况，比如服务器配置不足以支撑当前业务需求，可以通过查看服务器日志来确定具体原因。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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