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I am not very familiar with Tomcat, in my head it is basically abstracted as a cgi server that saves the JVM between calls -- I know it can do a lot more than that, though.
I am looking for a way to launch a background thread when a Tomcat server starts, which would periodically update the Server Context (in my particular case this is a thread that listens to heartbeats from some other services and updates availability information, but one can imagine a variety of uses for this).
Is there a standard way to do this? Both the launching, and the updating/querying of the Context?
Any pointers to the relevant documentation and/or code samples would be much appreciated.