Hi, >The number of coordinates is huge - in thousands so cant put them in the >URL.
OK. Makes sense ;) >I have attempted your second idea. And yes I go to the DB for each request. >The problem with the Singleton is, I donno who should start the class. If >the HTML servlet starts the Singleton, will the object still be accessible >to the image servlet? They both call MapSingleton.getInstance(). It starts itself, as the constructor is private in the Singleton pattern. It may also suit you to start it in a context listener on server startup, and pre-populate what you need in the singleton. Yoav Shapira Millennium ChemInformatics
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