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解决php导致nginx报502 bad gateway错误问题

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Release: 2016-05-26 08:20:39
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502 bad gateway这个问题很多朋友一看就以为是nginx或apache的问题,其实不然了,除了它们两会出现这个问题之外还有像php模块也会导致此问题的出现了,下面一起来看看吧.

502 bad gateway不一定全是nginx,apache之类引起的,也有可能是由其他模块引起的,例如:php

1,查看php-fpm和nginx的log

# vim /var/log/nginx/error.log 
recv() failed (104: Connection reset by peer) while reading response header from upstream  
# vim /var/log/php-fpm/error.log 
WARNING: [pool www] child 29522 exited on signal 11 (SIGSEGV - core dumped) after 2165.472759 seconds from start
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2,由php的eaccelerator导致502 bad gateway错误

我根据上面的二个错误,在网上找方法大部分都说是由nginx或者apache引起的,最近并没有动nginx的配置,不可能好好的就不行了,当看到有说php扩展apc,有可能会引起502 bad gateway时,因为eaccelerator根apc差不多,猜想会不会是eaccelerator引起502呢?

# mv /etc/php.d/eaccelerator.ini{,bak}   
# /etc/init.d/php-fpm restart
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重启后问题解决,开始的时候,我以为是cache目录和log目录的权限导致502的,就算改了所属用户,并且在加上777权限,也还是502错误.


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