Turns out this was a simple issue of permissions.
To fix it, I first created a group called "hive" on my system.
Then I added myself to that group:
kostmo@leetbook:~$ sudo usermod -aG hive kostmo
Then I changed the group ownership of the warehouse directory:
kostmo@leetbook:~$ sudo /home/kostmo/
Hello,
I am encountering the exact issue that a user posted about last month (with
no response):
http://mail-archives.apache.org/mod_mbox/hive-dev/201103.mbox/%3caanlktimf6cr4v3-x+memr9po7dkmlwv23jf38x2+k...@mail.gmail.com%3E#archives
I have been working my way through the Hive GettingStarted guid