Why did you compile it with JDK 7 when Vaadin 7 doesn't require this?? And

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Why did you compile it with JDK 7 when Vaadin 7 doesn’t require this?? And you forgot backwards compatibility. Not very good style…

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Version 2.0.1 is compiled with Java 6. For Vaadin 6+, you can use Version 1.1.3. This version is even very rich of features.