On 10/11/2010 21:50, Christopher Schultz wrote: > Bill, > > On 11/7/2010 2:35 AM, Bill Wang wrote: >> Thanks to Christopher , Rainer, and Rainer again. I will try to understand >> the jsvc. > >> But for SMF, because we don't run tomcat as root, I am not sure if SMF can >> be set and run by normal user. I need check that first. > >> My idea is, for most applications, normally I get three options: start, stop >> and status. But tomcat's catalina.sh has only two choices, startup and >> shutdown. I can't find exist command/script to show the tomcat status. If I >> can show the status, I can write the script to start the tomcat, when its >> status show tomcat service is down. > >> So is it possible to ask tomcat develop team to write a general script or >> tool to detect tomcat status directly? > > You could log an enhancement in bugzilla. As always, patches are > welcome. Just understand that almost all code needs to be deployed into > a web application, and you might not be able to convince most Tomcat > users to deploy a special web application merely to provide status > information. > > It might be better to define protocol for determining status (such as a > simple HEAD request to a configurable URL that returns a specific string > in the response, or a specific HTTP response code if everything is okay) > and then write a small piece of code to check it from the command line > and integrate that into catalina.sh. Provide a sample implementation > (.jsp?) and let users choose how they want to do reporting. > > The reason something like this doesn't really exist is that it's so > poorly defined. What is "healthy" for one webapp/server might not be > sufficient for another one. > > -chris
You could set CATALINA_PID and check that the process ID* contained in the file is active. p * Assuming that the process id is the right one, as I have a vague memory about it being the wrong one. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
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