====================================================================== = W A R N I N G = ====================================================================== = Your project doesn't contain a header file specified as: = = ${header} = Checkstyle needs it to check the existence of the License in your = = source files. If it can't find this file, it throws an error. = = A temporary solution is to create an empty LICENSE.txt file. = = Though, we recommend that you edit this License. = ====================================================================== Using ${checkstyleProperties} for checkstyle ...