Very strange Drupal 7 404 behaviour
问题 I am having some very strange behaviour in D7 that I have not seen before. I have migrated a new site from my dev machine to a test machine, so code and DB are identical. On the dev machine (Ubuntu 13.04, Apache, PHP 5.5.3), everything works fine, but on the test box which is a Raspberry Pi running PHP 5.4.4 on Raspbian, I seem to get 404 errors on form submission. What seems to happen is that the form is not processed and the original page is returned but with a 404 status code when you look