/usr/lib/ruby/1.8/ferret/index.rb:421:in `[]'
/usr/lib/ruby/1.8/ferret/index.rb:421:in `[]'
/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/usr/lib/ruby/1.8/ferret/index.rb:413:in `[]'
./sup/ferret_index.rb:257:in `build_message'
/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
./sup/ferret_index.rb:256:in `build_message'
../bin/sup-sync:149
./sup/poll.rb:151:in `each_message_from'
./sup/imap.rb:197:in `each'
./sup/imap.rb:185:in `upto'
./sup/imap.rb:185:in `each'
./sup/util.rb:560:in `send'
./sup/util.rb:560:in `__pass'
./sup/util.rb:547:in `method_missing'
./sup/poll.rb:139:in `each_message_from'
./sup/util.rb:520:in `send'
./sup/util.rb:520:in `method_missing'
../bin/sup-sync:146
../bin/sup-sync:141:in `each'
../bin/sup-sync:141