THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Classpath assets, those packaged in JAR files (such as the happy.jpg asset) are retrieved by the client web browser using a URL that reflects the package name. Tapestry users a special virtual folder, /assets, under the context folder for this purpose.
The image file here would is exposed to the web browser via the URL /happyapp/assets/org/example/happylib/components/happy.jpg (this assumes that the application was deployed as happyapp.war).
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