Code:
[root@NAS] /var/log# tail nginx-error.log
2015/12/06 22:07:22 [error] 2540#0: *22 kevent() reported that connect() failed (61: Connection refused) while connecting to upstream, client: 192.168.1.12, server: localhost, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9042", host: "192.168.1.2", referrer: "http://192.168.1.2/account/login/"
2015/12/06 22:07:43 [error] 2540#0: *22 kevent() reported that connect() failed (61: Connection refused) while connecting to upstream, client: 192.168.1.12, server: localhost, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9042", host: "192.168.1.2", referrer: "http://192.168.1.2/account/login/"
2015/12/06 22:18:29 [error] 2540#0: *69 kevent() reported that connect() failed (61: Connection refused) while connecting to upstream, client: 192.168.1.12, server: localhost, request: "GET /account/login/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:9042", host: "192.168.1.2"
2015/12/06 22:18:29 [error] 2540#0: *69 kevent() reported that connect() failed (61: Connection refused) while connecting to upstream, client: 192.168.1.12, server: localhost, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9042", host: "192.168.1.2", referrer: "http://192.168.1.2/account/login/"
2015/12/06 22:21:45 [error] 2540#0: *76 kevent() reported that connect() failed (61: Connection refused) while connecting to upstream, client: 192.168.1.12, server: localhost, request: "GET /account/login/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:9042", host: "192.168.1.2"
2015/12/06 22:21:45 [error] 2540#0: *76 kevent() reported that connect() failed (61: Connection refused) while connecting to upstream, client: 192.168.1.12, server: localhost, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9042", host: "192.168.1.2", referrer: "http://192.168.1.2/account/login/"
2015/12/07 14:21:32 [error] 18919#0: *82 kevent() reported that connect() failed (61: Connection refused) while connecting to upstream, client: 192.168.1.12, server: localhost, request: "GET /account/login/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:9042", host: "192.168.1.2"
2015/12/07 14:21:32 [error] 18919#0: *82 kevent() reported that connect() failed (61: Connection refused) while connecting to upstream, client: 192.168.1.12, server: localhost, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9042", host: "192.168.1.2", referrer: "http://192.168.1.2/account/login/"
2015/12/07 14:21:34 [error] 18919#0: *82 kevent() reported that connect() failed (61: Connection refused) while connecting to upstream, client: 192.168.1.12, server: localhost, request: "GET /account/login/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:9042", host: "192.168.1.2"
2015/12/07 14:21:34 [error] 18919#0: *82 kevent() reported that connect() failed (61: Connection refused) while connecting to upstream, client: 192.168.1.12, server: localhost, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9042", host: "192.168.1.2", referrer: "http://192.168.1.2/account/login/"