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nginxmemcachedfastcgifreebsdspawn-fcgi

upstream prematurely closed connection while reading response header from upstream, client

I'm getting this error from /var/log/messages on my FreeBSD box. I'm using nginx and spawn-fcgi with memcache and apc modules enabled.

upstream prematurely closed connection while reading response header from upstream, 
client HTTP/1.1", upstream: "fastcgi://unix:/tmp/fcgi.sock:", host:
Solution

  • It was related to the version of PHP. I have used latest version of nginx and slightly old version of PHP. The issue has been fixed by updating PHP to latest version.