[Geoserver-devel] WMS: switching to compliant invalid dimension value exception

Hi all,
the GeoServer WMS is not behaving as standard mandates when an invalid dimension
value is provided. Since day one of dimension support, by giving a dimension value that
does not match any one available, one just gets an empty map.

Now, the specification says instead:

  • If nearest match is enabled, just return the nearest (the search radius and the ability to throw exceptions if outside of the nearest radius are useful, but not compliant)
  • If nearest is not enabled and the value does not match, throw an InvalidDimensionException instead.
    Now, technically implementing point 2 is a fix… but the GeoServer behavior has been different for the past 10+ years.

I’d say:

  • Implement the behavior controlled by a WMS admin page flag
  • Default behavior for main branch, make it standard compliant
  • Default behavior for other branches, make it match the historical behavior
  • Allow people to flip the flag as they see fit
    Opinions?

Cheers
Andrea

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+1

I would like to make a documentation page for all the flags at some point. It is hard to manage / find what is available.

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Ing. Andrea Aime
@geowolf
Technical Lead

GeoSolutions Group
phone: +39 0584 962313

fax: +39 0584 1660272

mob: +39 339 8844549

https://www.geosolutionsgroup.com/

http://twitter.com/geosolutions_it


Con riferimento alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 - Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni circostanza inerente alla presente email (il suo contenuto, gli eventuali allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le sarei comunque grato se potesse darmene notizia.

This email is intended only for the person or entity to which it is addressed and may contain information that is privileged, confidential or otherwise protected from disclosure. We remind that - as provided by European Regulation 2016/679 “GDPR” - copying, dissemination or use of this e-mail or the information herein by anyone other than the intended recipient is prohibited. If you have received this email by mistake, please notify us immediately by telephone or e-mail

+1

As discussed in the PMC meeting a couple weeks ago, I think the behaviour should also be able to be configured by a system property / environment variable.

Cheers,
Torben

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GeoServer Professional Services from the experts!

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Ing. Andrea Aime
@geowolf
Technical Lead

GeoSolutions Group
phone: +39 0584 962313

fax: +39 0584 1660272

mob: +39 339 8844549

https://www.geosolutionsgroup.com/

http://twitter.com/geosolutions_it


Con riferimento alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 - Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni circostanza inerente alla presente email (il suo contenuto, gli eventuali allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le sarei comunque grato se potesse darmene notizia.

This email is intended only for the person or entity to which it is addressed and may contain information that is privileged, confidential or otherwise protected from disclosure. We remind that - as provided by European Regulation 2016/679 “GDPR” - copying, dissemination or use of this e-mail or the information herein by anyone other than the intended recipient is prohibited. If you have received this email by mistake, please notify us immediately by telephone or e-mail