hello everybody. i use ireport 3.7.3 to create my first report but i found problems in the step 1 : create a database jdbc connection, i have this configuration: server: localhost database: mysql i download myql connector and i add it on options/ireport/classpath/addjar when i click on test they show me this message : sql problems:communications link failure. on details they say com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure Last packet sent to the server was 0 ms ago. thank you in advance Post Edited by chalix at 07/08/2010 20:04