PostgreSQL 8.2 has reached the end of its life. Start making your transition now.
From the release announcement (postgresql.org) on December 5, 2011:
This is also the last update for PostgreSQL 8.2, which is now End-Of-Life (EOL). Users of version 8.2 should plan to upgrade their PostgreSQL installations to 8.3 or later within the next couple of months. For more information, see our Release Support Policy. [wiki.postgresql.org]