Vaadin Libraries
vaadin-server-7.x.x.jar
The main library for developing server-side Vaadin applications, as described in “Writing a Server-Side Web Application”. It requires the vaadin-shared and the vaadin-themes libraries. You can use the pre-built vaadin-client-compiled for server-side development, unless you need add-on components or custom widgets.
vaadin-shared-7.x.x.jar
A shared library for server-side and client-side development. It is always needed.
vaadin-client-7.x.x.jar
vaadin-client-compiler-7.x.x.jar
The Vaadin Client Compiler is a Java-to-JavaScript compiler that allows building client-side modules, such as the Client-Side Engine (widget set) required for server-side applications. The compiler is needed, for example, for compiling add-on components to the application widget set, as described in .
For detailed information regarding the compiler, see “Compiling a Client-Side Module”. Note that you should not deploy this library with a web application.
vaadin-client-compiled-7.x.x.jar
A pre-compiled Vaadin Client-Side Engine (widget set) that includes all the basic built-in widgets in Vaadin. This library is not needed if you compile the application widget set with the Vaadin Client Compiler.
Vaadin built-in themes both as SCSS source files and precompiled CSS files. The library is required both for basic use with CSS themes and for compiling custom Sass themes.
vaadin-sass-compiler-1.x.x.jar
The Vaadin Sass Compiler compiles Sass themes to CSS, as described in . It requires the vaadin-themes-7.x.x.jar library, which contains the Sass sources for the built-in themes. The library needs to be included in deployment in development mode to allow on-the-fly compilation of themes, but it is not needed in production deployment, when the themes are compiled before deployment.
Some of the libraries depend on each other as well as on the dependency libraries provided in the lib folder of the installation package, especially the lib/vaadin-shared-deps.jar.
The different ways to install the libraries are described in the subsequent sections.