I have had a few of those. I recall we had one setup where when apache crashed, it screwed up the PID file, so when you did an apachctl call, it listed the service as already running, but it wasn't.

In order to effectively manage a web server, it is necessary to get feedback about the activity and performance of the server as well as any problems that may be occurring. The Apache HTTP Server ...

You’ve written a Web application that runs happily in production on Tomcat, probably on port 80. Some early problems might include complaints from your security team because your server runs as a root ...