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From Jean-Marie DUNO <jean-marie.d...@g-ushin.com>
Subject [users@httpd] apache stop answering
Date Thu, 23 Mar 2017 09:39:17 GMT
Hello,

I have an apache issue without any log, and so i don't know where to
start to investigate.

Please,
how to add pertinent Log, What to test ? etc ...


The Issue :
===========
apache stop answering :
the client initiate connection but nevers end. (client can be firefox,
chrome, java ...)
apache still answering and working correctly to 127.0.0.1/server-status

i have posted a video to show what i have :
https://youtu.be/AfnJjgHEkXM

as soon as i restart the apache service, everything is back to normal.

Occurence of Issue :
====================
Apache is deployed on 10 servers internally on differents physical sites
The same configuration is replicated on all servers.

on some site, the issue appear multiple time per day.
on other, it appear once a week.
On other, it nevers happens.


apache installation :
===========================================
it's mainly used To serve static files and proxy to Tomcat.
It used ssl, but the issue appears also without SSL.

OS : Windows Server 2008 /  Windows server 2012



Server Version: Apache/2.4.23 (Win64) OpenSSL/1.0.2h   (reproduce also
with Apache/2.4.12)
Server Built: Jul 1 2016 10:38:22
Distributed by: The Apache Haus
Compiled with: Visual Studio 2015
Server loaded APR Version: 1.5.2
Compiled with APR Version: 1.5.2
Server loaded APU Version: 1.5.4
Compiled with APU Version: 1.5.4
Module Magic Number: 20120211:61
Hostname/port: wux1-fcs.3dexp.internalurl.com:8443
Timeouts: connection: 60    keep-alive: 5
MPM Name: WinNT
MPM Information: Max Daemons: 64 Threaded: yes Forked: no
Server Architecture: 64-bit


apache configuration :
======================

Initial configuration was with servername to segregate the virtualhost
<VirtualHost *:8443>
ServerName wux1-fcs.3dexp.internalurl.com

i have DNS issue also on my infrastructure, so i tryed with a
virtualhost by IP address
<VirtualHost XX.XX.XX.88:8443>



Configuration: (extract from server-info)
    In file: D:/ENOVIA_MCS/replicated/apache_conf/Company_AM-FCS.conf
       9: PidFile "D:/ENOVIA_MCS/logs/apache/\httpd.pid"
     126: ServerAdmin Company.am-enovia-admin.groups+SERVERNAME@exemple.com
     128: <Directory />
     129:   AllowOverride none
     130:   Require all denied
        : </Directory>
     134: DocumentRoot "D:\ENOVIA_MCS\replicated\www"
     135: <Directory "D:\ENOVIA_MCS\replicated\www">
     136:   Options Indexes FollowSymLinks
     137:   AllowOverride None
     138:   Require all granted
        : </Directory>
     146: DirectoryIndex index.html
     153: <Files ".ht*">
     154:   Require all denied
        : </Files>
     157: ErrorLog "D:/ENOVIA_MCS/logs/apache//error.log"
     159: LogLevel warn
     167: LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\"
\"%{User-Agent}i\"" combined
     168: LogFormat "%h %l %u %t \"%r\" %>s %b" common
     176: CustomLog "D:/ENOVIA_MCS/logs/apache//access.log" common
     183: ScriptAlias /cgi-bin/ "D:\ENOVIA_MCS\replicated\Apache24/cgi-bin/"
     187: <Directory "D:\ENOVIA_MCS\replicated\Apache24/cgi-bin">
     188:   AllowOverride None
     189:   Options None
     190:   Require all granted
        : </Directory>
     199: TypesConfig conf/mime.types
     216: AddType application/x-compress .Z
     217: AddType application/x-gzip .gz .tgz
    In file: D:/ENOVIA_MCS/replicated/Apache24/conf/extra/httpd-proxy-html.conf
      26: ProxyHTMLLinks a href
      27: ProxyHTMLLinks area href
      28: ProxyHTMLLinks link href
      29: ProxyHTMLLinks img src longdesc usemap
      30: ProxyHTMLLinks object classid codebase data usemap
      31: ProxyHTMLLinks q cite
      32: ProxyHTMLLinks blockquote cite
      33: ProxyHTMLLinks ins cite
      34: ProxyHTMLLinks del cite
      35: ProxyHTMLLinks form action
      36: ProxyHTMLLinks input src usemap
      37: ProxyHTMLLinks head profile
      38: ProxyHTMLLinks base href
      39: ProxyHTMLLinks script src for
      47: ProxyHTMLEvents onclick ondblclick onmousedown onmouseup
onmouseover onmousemove onmouseout onkeypress onkeydown onkeyup
onfocus onblur onload onunload onsubmit onreset onselect onchange
    In file: D:/ENOVIA_MCS/replicated/apache_conf/Company_AM-FCS.conf
     249: SSLRandomSeed startup builtin
     250: SSLRandomSeed connect builtin
     255: ExtendedStatus on
     256: <Location /server-status>
     257:   SetHandler server-status
     258:   Require all granted
        : </Location>
     263: <Location /server-info>
     264:   SetHandler server-info
     265:   Require all granted
        : </Location>
     272: ProxyRequests off
     273: ProxyVia On
     274: ProxyPreserveHost On
    In file: D:/ENOVIA_MCS/replicated/apache_conf/vhost_FCS/SERVERNAME.conf
       4: Listen 8443 https
      45: <VirtualHost XX.XX.XX.88:8443>
      49:   SSLCertificateFile
"D:\ENOVIA_MCS\replicated\pki\3dexp\certs\3dexp.wux1-fcs.cer"
      50:   SSLCertificateKeyFile
"D:\ENOVIA_MCS\replicated\pki\3dexp\key\JMD_FCS_3dexp_PROD.pem"
      53:   ErrorLog "|bin/rotatelogs.exe
D:/ENOVIA_MCS/logs/apache/FCS_PROD_error.%Y-%m-%d-%H_%M_%S.log 5M"
      55:   TransferLog "|bin/rotatelogs.exe
D:/ENOVIA_MCS/logs/apache/FCS_PROD_acces.%Y-%m-%d-%H_%M_%S.log 5M"
      58:   LogLevel warn
      59:   SSLEngine on
      60:   SSLProxyEngine On
      61:   SSLProtocol all -SSLv2 -SSLv3
      62:   SSLCipherSuite ALL:!ADH:!EXPORT:!SSLv2:RC4+RSA:+HIGH:+MEDIUM:+LOW
      64:   ProxyPass /enoviafcs http://SERVERNAME:8080/enoviafcs
      65:   ProxyPassReverse /enoviafcs http://SERVERNAME:8080/enoviafcs
        : </VirtualHost>

--
Jean-Marie DUNO
U-SHIN AM Projects & R-D IT Manager

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