If you encounter problems using the Apache server software

If you encounter a problem using the Apache server software-Linux Enterprise Application-Linux server application information, read the following for details. Check error logs!
The Apache server will try its best to help you when you encounter problems. In many cases, it provides some details by writing one or more messages to the error log. Sometimes this is enough for you to diagnose and solve problems yourself (such as file permissions or similar issues ). The default location of the error log is/usr/local/apache2/logs/error_log, but check the ErrorLog command in the configuration file to confirm the exact location of the error log on your server.
Check the error log again!
Almost all problems can be solved by reading the error log.
Check the FAQ!
The list of Apache common problems in the latest version can always be obtained from the Apache main site.
View Apache bug Database
Most issues reported to the Apache project team are recorded in the bug database. Before you add a new bug, check the existing reports (enabled and disabled ). If you find that your problem has been reported, do not add a report like "Me too. If the original report has not been closed, we recommend that you check it regularly. You can also consider contact with the original submitter, because problems that are not recorded in the database may be found during email communication.
Ask a question in a User Forum

Apache has an active user community that is willing to share knowledge. Participation in this community is usually the fastest and best way to get answers.

User email list

The # apache channel on Freenode IRC is also about user support.
Submit the problem report to the bug Database

If the above steps are not answered, make sure that the httpd developer understands the problem and submit a bug report here.

If your problem involves server crashes and a kernel dump occurs, please include a backtrace in the report (if possible)