+1. This would avoid having to use regex checks in nagios. On 30/11/10 17:15, Andrea Aime wrote: > Hi, > lately I've been going around talking to various people setting up > GeoServer in production, > in enviroments where HTTP request monitoring with some sort of Apache > plugin is standard practice, > and in all these cases I hear complaints about the fact GeoServer, and > OWS services in general, > return HTTP 200 even in case of exception. > > The reason for the complaint is obvious, it does not allow proper > monitoring of exceptions > (I know about the monitoring module, but these people want GS to play > nicely in their existing, > enterprise wide monitoring enviroment, having an extra monitoring tool > to deal with is not something they > look for in the short time, though I'm sure they'll eventually see > the benefit of having something > that actually understands and classifies the various OGC requests). > > So far I thought that the OGC specification simply never said anything > about the status codes, > and looking into OWS 1.0 I actually did not find anything at all (it > does not even say to return 200 > actually). > However in OWS 1.1, page 110 of the printout, it says: > > -------------------------------------------------------------------------------------------------------------------------------------------- > A.4.1.5 HTTP response status code > a) Test purpose: Verify that a service request which generates an > exception produces a response that contains > 1) a service exception report, and 2) a status code indicating an error. > -------------------------------------------------------------------------------------------------------------------------------------------- > > Ah ha! > > So at the very least the WCS 1.1 and WPS 1.0 implementations, both > based on OWS 1.1, > are not setting the status codes as expected from the spec (yes, the > CITE tests are not complaining...) > > Generally speaking I would really like to have all service exceptions > report back proper status codes > based on the on the service exception "exceptionCode": > - HTTP 400 for: OperationNotSupported, MissingParameterValue, > InvalidParameterValue, > VersionNegotiationFailed, InvalidUpdateSequence > - HTTP 500 for NoApplicableCode or missing code > (status code reference here: > http://en.wikipedia.org/wiki/List_of_HTTP_status_codes) > > The only concern I have at the moment is that some client might break > as a result of this > change in behavior. I mean, generally speaking OGC clients should not > be concerned at all > with the status codes, but one cannot be completely sure. > > Should we make this behavior configurable? What do you think? > > Cheers > Andrea > > ----------------------------------------------------- > Ing. Andrea Aime > Senior Software Engineer > > GeoSolutions S.A.S. > Via Poggio alle Viti 1187 > 55054 Massarosa (LU) > Italy > > phone: +39 0584962313 > fax: +39 0584962313 > > http://www.geo-solutions.it > http://geo-solutions.blogspot.com/ > http://www.linkedin.com/in/andreaaime > http://twitter.com/geowolf > > ----------------------------------------------------- > > ------------------------------------------------------------------------------ > Increase Visibility of Your 3D Game App& Earn a Chance To Win $500! > Tap into the largest installed PC base& get more eyes on your game by > optimizing for Intel(R) Graphics Technology. Get started today with the > Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. > http://p.sf.net/sfu/intelisp-dev2dev > _______________________________________________ > Geoserver-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geoserver-devel >
-- Ben Caradoc-Davies <[email protected]> Software Engineering Team Leader CSIRO Earth Science and Resource Engineering Australian Resources Research Centre ------------------------------------------------------------------------------ Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! Tap into the largest installed PC base & get more eyes on your game by optimizing for Intel(R) Graphics Technology. Get started today with the Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. http://p.sf.net/sfu/intelisp-dev2dev _______________________________________________ Geoserver-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geoserver-devel
