It's been solved.
However I don't know why.

The problem is assets.
'rake assets:precompile' fixed it.

Thanks guys


On Fri, Jul 18, 2014 at 9:31 PM, Jiajia Wang <jjwang0506 / gmail.com> wrote:

> AWS Redhat 6.5
> RDS mysql
> ruby 2.0.0
> rails 4.0.2
>
>
> On Fri, Jul 18, 2014 at 9:25 PM, Eric MSP Veith <eveith / wwweb-library.net>
> wrote:
>
>> On Friday 18 July 2014, 16:50:08, Harisankar P S wrote:
>> > Can you share your production log? Since it dies after the request is
>> made
>> > the answer should definitely be in that log file.
>>
>> Could you (i.e., the OP) please also share some details about the
>> environment,
>> like O/S, softwares in use, etc.?
>>
>>                         --- Eric
>>
>
>