Not accessable from local machine but it works from my amazon server

[blazetango]

Initally I was able to work on my local machine and access simple db record easliy but from last few months i m faceing lot of issues .
when i try to access SimpleDb Records i get this
Retailer.all
Aws::AwsError: sdb.ap-southeast-2.amazonaws.com temporarily unavailable: (execution expired)
from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/http_connection-1.4.4/lib/right_http_connection.rb:335:in request' from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/http_connection-1.4.4/lib/right_http_connection.rb:325:inloop'
from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/http_connection-1.4.4/lib/right_http_connection.rb:325:in request' from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/aws-2.9.1/lib/awsbase/awsbase.rb:560:inrequest_info_impl'
from /home/chetan/.rvm/rubies/ruby-1.8.7-p371/lib/ruby/1.8/benchmark.rb:293:in measure' from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/aws-2.9.1/lib/awsbase/benchmark_fix.rb:30:inadd!'
from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/aws-2.9.1/lib/awsbase/awsbase.rb:560:in request_info_impl' from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/aws-2.9.1/lib/awsbase/awsbase.rb:319:inrequest_info2'
from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/aws-2.9.1/lib/sdb/sdb_interface.rb:106:in request_info' from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/aws-2.9.1/lib/sdb/sdb_interface.rb:704:inselect'
from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/simple_record-2.1.0/lib/simple_record/active_sdb.rb:411:in sql_select' from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/simple_record-2.1.0/lib/simple_record/active_sdb.rb:293:infind_with_metadata'
from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/simple_record-2.1.0/lib/simple_record.rb:963:in find' from /home/chetan/.rvm/gems/ruby-1.8.7-p371/gems/simple_record-2.1.0/lib/simple_record.rb:1002:inall'
from (irb):2

The same code is working on amazon Ec2 medium instance (amazon LInux )
ruby 1.8.7
rails 3.2.11
and simple_record 2.1.0
Please can you help me out

[treeder]

Maybe something to do with AWS security groups?

[blazetango]

I am trying to workout some solution to this problem ...
My local development is at a hault . Just to confirm this issue i install extension on chrome and was able to access some record on browser but the gem is not constantly giveing and error
Aws::AwsError: sdb.ap-southeast-2.amazonaws.com temporarily unavailable: (execution expired)
ruby 1.8.7
rails 3.2.11
and simple_record 2.1.0
Please help me out