You can usually directly upgrade ConnectAll to newer versions -- newer versions of Tomcat, JAVA and/or Mule also are usually required and will be installed by the installer.
To be safe, make sure to backup your database schema (i.e. from MySQL, Postgres, SQL-server), AND your Mule and Tomcat folders related to ConnectAll.
Those look to be VERY old versions of ConnectAll, you might take the opportunity to install to a NEW server and migrate your database schema and links (''database'' folder).
Contact ConnectAll support for assistance and directions.