MetatileMapOutputFormat should dispose JAI Chains when possible
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Key: GEOS-4799
URL: https://jira.codehaus.org/browse/GEOS-4799
Project: GeoServer
Issue Type: Improvement
Components: WMS
Affects Versions: 2.1.2, 2.1.x, 2.2.x
Reporter: Simone Giannecchini
Assignee: Andrea Aime
Priority: Minor
Attachments: patch
MetatileMapOutputFormat splits input images into chunks to be cached. In some cases we go from RenderedOp to BufferedImage hence we loose grip on the chain that generated the MetaTile and we cannot clean the cache at the end of the request.
I am attaching some code to improve this situation.
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