AH00016: Configuration Failed
[Thu Jul 06 22:46:50.368024 2017] [core:notice] [pid 11224] SELinux policy enabled; httpd running as context system_u:system_r:httpd_t:s0
[Thu Jul 06 22:46:50.368903 2017] [suexec:notice] [pid 11224] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
[Thu Jul 06 22:46:50.395794 2017] [so:warn] [pid 11224] AH01574: module proxy_module is already loaded, skipping
[Thu Jul 06 22:46:50.395819 2017] [so:warn] [pid 11224] AH01574: module proxy_http_module is already loaded, skipping
[Thu Jul 06 22:46:50.395828 2017] [so:warn] [pid 11224] AH01574: module proxy_wstunnel_module is already loaded, skipping
AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using localhost.localdomain. Set the 'ServerName' directive globally to suppress this message
[Thu Jul 06 22:46:50.398053 2017] [auth_digest:notice] [pid 11224] AH01757: generating secret for digest authentication ...
[Thu Jul 06 22:46:50.398625 2017] [lbmethod_heartbeat:notice] [pid 11224] AH02282: No slotmem from mod_heartmonitor
[Thu Jul 06 22:46:50.423201 2017] [mpm_prefork:notice] [pid 11224] AH00163: Apache/2.4.6 (CentOS) OpenSSL/1.0.1e-fips mod_fcgid/2.3.9 PHP/5.4.16 mod_wsgi/3.4 Python/2.7.5 configured -- resuming normal operations
[Thu Jul 06 22:46:50.423234 2017] [core:notice] [pid 11224] AH00094: Command line: '/usr/sbin/httpd -D FOREGROUND'
[Thu Jul 06 22:46:59.841797 2017] [proxy:error] [pid 11226] (13)Permission denied: AH00957: HTTP: attempt to connect to 127.0.0.1:3000 (localhost) failed
SELinuxのせいでした。
