Public signup for this instance is disabled. Go to our Self serve sign up page to request an account.
Creating this issue as a reminder of gragaller's [https://lists.apache.org/thread/p0vw5yhhvzj703t4pdvh9qhsflfzpxtz|post on the tapestry-users list]).
The workarounds described by thiagohp in response to that post are useful. However, the fix should make it into Tapestry's code base.