Page History

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To avoid this issue with Wicket 1.3, the recommandation has been changed to use a ServletFilter rather than a servlet - See the Migrate-1.3 page for details of the changes required.

Wicket 2.x

To avoid this issue with Wicket 2.0, the recommandation has been changed to use a ServletFilter rather than a servlet - See the Migrate-2.0 page for details of the changes required.

More info

(Thanks, Igor)
Usually static resources are handled by the application server. The server knows it is serving a file and thus sets the last modified date of the resource to the last modified date of a file.

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So for 1.1 & 1.2, we recommend mapping the servlet to something like /app/* so that foo.gif will be processed by the application server and only wicket-specific requests are processed by the servlet.

For 1.3 & 2.xand onward, what we do is instead of using a servlet, use a filter.

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