This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
But now (being at the bottom of page 81), if I click on the submit-button, I get:
I already read some threads in this forum about the same example, but I actually couldn't find any solution that worked for me.
I have created the following files/dirs: