Apache crashes and I get the following error in the apache log:
AH00428: Parent: child process exited with status 3221226356 -- Restarting.
Backtrace:
Count: 2
Exception #: 0XC0000008
Stack:
ntdll!KiRaiseUserExceptionDispatcher+0x3a
KERNELBASE!CloseHandle+0x1b
libapr_1!apr_shm_size_get+0x27d
libapr_1!apr_shm_destroy+0x12
mod_socache_shmcb+0x161c
mod_ssl!ssl_run_proxy_post_handshake+0x8d12
mod_ssl!ssl_run_pre_handshake+0x3d97
libapr_1!apr_pool_clear+0x6e
httpd!OPENSSL_Applink+0xcef
httpd!OPENSSL_Applink+0x1f98
KERNEL32!BaseThreadInitThunk+0x22
ntdll!RtlUserThreadStart+0x34
Seems to have to do with mod_ssl. I do have a http proxy set up in a https virtual host. However, the same error appears in the Apache log even if I comment out the proxy portion of the config file. This error also tends to be followed by a couple of MySQL errors in the Windows application log complaining about a lost connection. I think that might just be because Apache crashed while the connections were open. I am using the latest versions of Apache 2.4.20, PHP 7.0.8, and MySQL 5.7. Any ideas? Thanks!
Related
I have found several similar questions:
APACHE, PHP Server return randomly empty response
https://serverfault.com/questions/66662/apache-gives-empty-reply
and others
However these does not seem to help to find the cause. I can replicate the behaviour when reloading a specific page ~20 times.
Running current apache2 (= 2.4.38-3+deb10u4). I tried to disable opcache, remove MaxRequestsPerChild with no effect.
Apache log does not show any error. The request is not even logged.
The USE_ZEND_ALLOC=0 seem to have no effect and the problem persists.
I tried to install mod_forensic which shows that the request came in. No error or finished request is then logged.
The container is running in Kubernetes and I cannot replicate the issue locally running directly with Docker machine, that is why I think this might be caused by some memory setting. However I couldn't find what might be causing this as there is no single error message.
Can you think of any reason why this might be happening?
Edit1:
I tried to set log level to trace:
https://gist.github.com/knyttl/861e8a0fe5651408df37cd5c3874946b
The request is handled and then you can see:
[Tue Oct 20 08:37:55.825454 2020] [core:trace4] [pid 1] mpm_common.c(536): mpm child 388 (gen 2/slot 4) exited
With no error and no response.
Edit2:
I updated to php7.4 and the issue persists.
I finally found it:
The process is silently killed by OOM killer of the host machine:
[4019392.626796] Memory cgroup out of memory: Kill process 4178127 (apache2) score 1137 or sacrifice child
[4019392.636520] Killed process 4178127 (apache2) total-vm:143960kB, anon-rss:22856kB, file-rss:10472kB, shmem-rss:28228kB
This is never logged within the container so it was hard to find.
Why don't you use Jorge's answers ?
Finally solved by adding to /etc/apache2/envvars:
export USE_ZEND_ALLOC=0
https://serverfault.com/a/66759
When accessing http://domain.com/phpmyadmin
I get the following error (this one is in chrome, but it is not working in any other browser either):
No data received
ERR_EMPTY_RESPONSE
When trying to access, apache's error log shows:
apache2: /build/buildd/xcache-1.3.2/stack.c:47: xc_stack_count: Assertion `stack != ((void *)0)' failed.
[Sat Apr 18 23:41:18 2015] [notice] child pid 31027 exit signal Aborted (6)
All worked well a week ago, can't figure out what went wrong.
Rebooted, reinstalled, reconfiugured phpmyadmin, nothing works :(
Working under Ubuntu 10.04,
Any ideas?
Was facing same error. Fixed it by removing a php module: php5-xcache
Received same error in browser.
Apache's error_log shows:
/usr/sbin/httpd: symbol lookup error: /usr/lib64/libnsssysinit.so: undefined symbol: PR_GetEnvSecure
Fixed by restarting Apache via stop and start (apachectl restart is not sufficient).
I have installed latest Zend Server CE in my notebook (it has Win 7 installed) and then
I installed it on my desktop machine. But when you start server controller there is an alert saying Connection refused (or timed out)
What's the problem?
When I start server http://localhost:10081/ZendServer/
the following message appears
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, admin#example.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
and apache works well in the following address http://localhost:81
when i telnet localhost 10081 there is a reply !!!
I found from the inet http://forums.zend.com/viewtopic.php?f=8&t=7518 that it's because of not having ipv6 support, I am running windows xp3 on my desktop
how to disable default ipv6 support in Zend conf?
how to fix this problem or should I switch to win 7 (my desktop)?
Thanks in advance!
I had a similar problem, on Debian Squeeze after an upgrade to the currently latest version of Zend from the zend apt repo, [deb http://repos.zend.com/zend-server/deb server non-free] . The Zend gui fails.
zend-server-ce-php-5.3 5.5.0+b63
Log in /usr/local/zend/gui/lighttpd/logs/php.log throws this exception.
[10-Jan-2012 11:20:03] PHP Fatal error: Uncaught exception 'Exception' with message 'Unknown application version' in /usr/local/zend/gui/application/CheckDependencies.php:28
Stack trace:
#0 /usr/local/zend/gui/html/index.php(16): CheckDependencies::getChecker('INSTALLATION_PL...')
#1 {main}
thrown in /usr/local/zend/gui/application/CheckDependencies.php on line 28
The problem is the zend-server.ini file in /usr/local/zend/gui/application/data/zend-server.ini But after doing the changes shown below it seems to work ok again.
--- zend-server.ini 2012-01-05 16:45:29.000000000 +0100
+++ zend-server.ini 2012-01-10 12:01:37.000000000 +0100
## -3,7 +3,7 ##
[zendServer]
version = 5.6.0
-edition = INSTALLATION_PLACEHOLDER_GUI_EDITION
+edition = CE
devEnv=0
This is Zend's default error message, meaning you have some error in the php script you are running. By default, your php.ini file in Zend is configured to report errors, but not specifically state what errors had occurred, which makes this case hard to diagnose. My recommendation is that if you are using this server for debugging purposes, go to your Zend php.ini file (typically C:\Program Files\Zend\ZendServer\etc) and search for "display_errors" and change its default value from "Off" to "On". This will allow you to see the specific error PHP is encountering rather than getting the generic Zend error message.
I have a instance of Oracle Access Manager set up on Server A and a copy of WebGate set up on Apache on Server B which should be working but isn't. When I try to access http(s)://hostname:port/access/oblix/apps/ webgate/bin/webgate.cgi?progid=1 as specified in the directions after everything is set up, I get a web page that says:
No Response from Application Web Server
There was no response from the application web server for the page you requested.
Please notify the site's webmaster and try your request again later.
I get the same error message when accessing other pages which are set up to be protected by WebGate with LocationMatch in Apache's httpd.conf.
Also, I'm not getting any output in webgate/access/oblix/logs/oblog.log even though webgate/access/oblix/conf/oblog_config_wg.xml has the log level set to LOGLEVEL_TRACE.
Does anyone have thoughts on what config files to check that could be causing this problem?
Edit 1: I've found that when I access a page protected by WebGate, the Apache error_log has this:
[Thu Oct 8 09:44:23 2009] [notice] child pid 4970 exit signal Segmentation fault (11)
Edit 2: Also, for some reason, pages which are to be protected by WebGate don't trigger an update to Apache's access_log, even though they do return that error message.
Ah the joy of the webgate install. Here are the usual questions I ask myself:
Does the apache user also own the directory where webgate is installed?
Are you running this on an OS and Apache version verified by Oracle?
Is your httpd.conf correctly setup with the WebGate configs?
Did you put
LD_ASSUME_KERNEL=2.4.19
export LD_ASSUME_KERNEL
in your init.d/httpd file?
Are you clocks in sync between the Access server and the apache host?
Reinstalling Webgate fixed the problem. Not sure what screwed it up.
i got
[2014-03-27T04:41:51.2101+05:30] [OHS] [NOTIFICATION:16] [OHS-9999] [core.c] [pid: 14931] [tid: 139749613860672] [user: root] [VirtualHost: main] child pid 14952 exit signal Segmentation fault (11)
along with
Directory does not exist for read/write [.../oracle/middleware/Oracle_WT1/log] []
in OHS_HOME/network/log/sqlnet.log
After changing file permission of OHS directory appropriately. This issue got resolved for me.
Can't get to my site. Apache gives the following error message:
[Fri Sep 05 08:47:42 2008] [error] (OS 10060)A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. : proxy: HTTP: attempt to connect to 10.10.10.1:80 (10.10.10.1) failed
Can you connect to the proxied host (10.10.10.1) directly? Is it functioning normally?
http://www.checkupdown.com/status/E503.html
Your Web server is effectively 'closed for repair'. It is still functioning minimally because it can at least respond with a 503 status code, but full service is impossible i.e. your Web site is simply unavailable. There are a myriad possible reasons for this, but generally it is because of some human intervention by the operators of your Web server machine. You can usually expect that someone is working on the problem, and normal service will resume as soon as possible.
You need to restart the webserver then figure out why it shut it self down.