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I've google a lot about that, but how can you put your vaadin project to a webserver (to a url). Has somebody maybe a tutorial? Have I just export a war-file and copy it with filezilla to my webserver?
...or you put the exported .war file in the webapps folder (when using Tomcat; Jetty and Co. should have similar folder). You can probably do this using Filezilla when you have access to the File system of your webserver.