Apache HTTP Server Version 2.0
This document refers to the 2.0 version of Apache httpd, which is no longer maintained. Upgrade, and refer to the current version of httpd instead, documented at:
The latest version of this FAQ is always available from the main Apache web site, at </docs/2.0/faq/>.
Since Apache 2.0 is quite new, we don't yet know what the Frequently Asked Questions will be. While this section fills up, you should also consult the Apache 1.3 FAQ to see if your question is answered there.
If you are having trouble with your Apache server software, you should take the following steps:
/usr/local/apache2/logs/error_log, but see the
ErrorLogdirective in your config files for the location on your server.
Apache has an active community of users who are willing to share their knowledge. Participating in this community is usually the best and fastest way to get answers to your questions and problems.
If you've gone through those steps above that are appropriate and have obtained no relief, then please do let the httpd developers know about the problem by logging a bug report.
If your problem involves the server crashing and generating a core dump, please include a backtrace (if possible). As an example,
# cd ServerRoot
# dbx httpd core
(Substitute the appropriate locations for your ServerRoot
and your httpd and core files. You may have to use
gdb instead of
With several million users and fewer than forty volunteer developers, we cannot provide personal support for Apache. For free support, we suggest participating in a user forum.
Apache uses the
sendfile syscall on platforms
where it is available in order to speed sending of responses.
Unfortunately, on some systems, Apache will detect the presence of
sendfile at compile-time, even when it does not work
properly. This happens most frequently when using network or
other non-standard file-system.
Symptoms of this problem include the above message in the error
log and zero-length responses to non-zero-sized files. The
problem generally occurs only for static files, since dynamic
content usually does not make use of
If you get error messages related to the
on win32, see the
Most problems with CGI scripts result in this message written in the
error log together with an
Internal Server Error delivered
to the browser. A guide to helping debug this type of problem is
available in the CGI