In Image Exceptions impossible to detect from client
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Key: GEOS-2480
URL: http://jira.codehaus.org/browse/GEOS-2480
Project: GeoServer
Issue Type: Improvement
Components: WMS
Affects Versions: 1.7.1
Reporter: Arne Kepp
Assignee: Andrea Aime
Priority: Minor
Fix For: 1.7.x, 2.0.x
The in image format is currently impossible to detect for clients.
GeoServer could communicate the problem in one of many ways
1) Change the HTTP response code. There is no obvious choice, perhaps 206
(partial content) or 500 (internal server error)
2) Custom HTTP header, like "GEOSERVER_WMS_EXCEPTION=1"
I think 206 is probably the most appropriate response.
GWC would have to be modified a little to be able to display these messages to
the requesting client, but not cache them for future use. This way the bad
tiles would disappear the second the problem is fixed. (Downside: increased
load on GeoServer until they are)
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