When starting a game the Java Virtual Machine does not recognize CMSIncrementalMode. Java 8 reported CMSIncrementalMode is deprecated and will be removed in a future version. If you recognize that the user has Java 1.9 then do not make it a default argument.
Related issues
is duplicated by
Comments


+ 2.0.1005-Linux
Java 9 is in development, and as such is currently not supported.