Exception in thread "Thread-1" java.lang.NoClassDefFoundError: org/eclipse/jetty/io/ManagedSelector$CloseEndPoints at org.eclipse.jetty.io.ManagedSelector.doStop ...
not sure how you manage the dependency in your project, but you can either downgrade to testng 7.0.0 or upgrade to 7.1.1-SNAPSHOT. As i mentioned i am very new to this TestNG. I just added my plugin ...