Validating newly compiled units no source code is available

:demo:compile Java Skipping task ':demo:compile Java' as it has no source files. :demo:vaadin Class Path Jar (Thread[main,5,main]) started. :demo:vaadin Class Path Jar Skipping task ':demo:vaadin Class Path Jar' as task only If is false.

:demo:compile Java UP-TO-DATE :demo:compile Java (Thread[main,5,main]) completed. :demo:vaadin Update Addon Styles (Thread[main,5,main]) started. :demo:vaadin Update Addon Styles Executing task ':demo:vaadin Update Addon Styles' (up-to-date check took 0.0 secs) due to: Task has not declared any outputs. :demo:classes Skipping task ':demo:classes' as it has no actions. :demo:vaadin Class Path Jar SKIPPED :demo:vaadin Class Path Jar (Thread[main,5,main]) completed. :demo:vaadin Compile Widgetset (Thread[main,5,main]) started. :demo:vaadin Compile Widgetset Executing task ':demo:vaadin Compile Widgetset' (up-to-date check took 0.007 secs) due to: Output file /Users/andreabreu/Downloads/simplecalendar-master/demo/src/main/webapp/VAADIN/widgetsets has changed. Demo Widgetset Tracing compile failure path for type 'javax.validation.

There are "fixed" issues against guava r09 but clearly referring to javax.annotation.

This release includes some minor bug fixes found in the release candidate.Writing the Testing Guide has proven to be a difficult task.It was a challenge to obtain consensus and develop content that allowed people to apply the concepts described in the guide, while also enabling them to work in their own environment and culture.This release includes an update to the sample application’s Maven POM files.See the release notes for 2.5.1 (RC1) for the full list of features and bugs fixes included in the GWT 2.5.1 release.