Error "Can't find bundle for base name ResourceBundle, locale es_ES" when running JasperSoft report via Google Chrome
JasperSoft is supported only in English
In Google Chrome, in the right corner navigate to:
If the issue remains, also delete Tomcat cache on the JasperSoft server by deleting the "catalina" folder (i.e. C:\Program Files\Apache Software Foundation\Tomcat 8.0\Work)
It can also happen because of the server locale: Make sure the system locale is set as "en_US".