Groovy Console should set the context class loader to the class loader that loaded the script.

If you are using @Grab in your Groovy Console script, you cannot load any of the grabbed classes dynamically using the executing threads context class loader. It would make sense to set this.

See: http://groovy.329449.n5.nabble.com/GroovyConsole-and-context-thread-loader-td4471707.html#a4481986