In Ignite examples or using Ignite Embedded mode (using direct Ignition.start() call from a user IDE), may fail with exceptions for JDKs newer than 8.
It may confuse the user. Instead of just logging an exception it is better to output message with advice on how to fix it. E.g.
Modern IDEs like IntelliJ will display the link as a clickable hyperlink and Ignite in embedded mode will show how to set up Application configuration