Venkat, I took a look at the mentioned issue. The issue was closed but it provides a lot of usufull info. The error in the log shows:
11/24 07:56:49.243[http-8080-13] ERROR usdjws65 ? Error creating attachment -
: Error - could not perform the operation, policy limit exceeded
And I think this is the reason why your app fails to create the attachment. Please take a look at this published info solution
to this problem QI89107:
SAP Portal Services
Without knowing details of your app I can't say more here but the
main point is, you would need to make sure your app is really using
the DIME format. Hope this helps a bit. Regards _Chi