According to similar problem reported [here][1], put [postgresql-42.2.2.jar][2] into tomcat/lib directory (e.g. C:\OpenForis\CollectEarth\saiku-server_2.6\tomcat\lib). C:\OpenForis\CollectEarth\saiku-server_2.6\tomcat\lib on Win or /home/vagrant/OpenForis/CollectEarth/saiku-server_2.6/tomcat/lib on Linux). [1]: https://stackoverflow.com/questions/1911253/the-infamous-java-sql-sqlexception-no-suitable-driver-found/1911487#1911487 [2]: https://jdbc.postgresql.org/download.html

According to similar problem reported [here][1], put [postgresql-42.2.2.jar][2] into tomcat/lib directory (e.g. C:\OpenForis\CollectEarth\saiku-server_2.6\tomcat\lib). [1]: https://stackoverflow.com/questions/1911253/the-infamous-java-sql-sqlexception-no-suitable-driver-found/1911487#1911487 [2]: https://jdbc.postgresql.org/download.html