When I open Routes tab in RubyMine 2021.3 RC, I always get this error: java.lang.NoClassDefFoundError: com/jgoodies/forms/layout/FormLayout at net.bitpot.railways.gui ...
create maven project mvn -B archetype:generate -DarchetypeGroupId=org.apache.maven.archetypes -DgroupId=com.nocompany.app -DartifactId=swing-learning How to run: mvn clean package cd ./target java -cp ...