@Khouloud LandariIn HDP superset is installed inside a python virtual environment. In order to install psycopg2, you will need to run following command - /usr/hdp/current/superset/bin/pip install psycopg2 Alternatively, We package superset with pygresql and you can change the connection URI to use that - postgresql+pygresql://user:password@host:port/dbname ... View more

@jmedel The root cause of failure is invalid parse spec java.lang.IllegalArgumentException: Instantiation of [simple type, class io.druid.data.input.impl.DelimitedParseSpec] value failed: If columns field is not set, the first row of your data must have your header and hasHeaderRow must be set to true. Check if your input file has a header row or not. If yes, set hasHeaderRow = true in parseSpec, otherwise you need to specify list of columns in your parseSpec so that druid knows about the columns present in the file. ... View more

Thanks for reporting this. seems like an issue with the packaging on Centos7. We are working on fixing it. In the meantime, can you try with changing the superset database type to 'mysql' or 'postgresql' ? I verified that it works with mysql. ... View more