fixing the bug of two send backs for for http inbound endpoint
Merge remote-tracking branch 'upstream/master'
Fixing LB-167.
Merge pull request #131 from iuj/master

Fixing LB-167.
refactoring inbound endpoint core
refactoring inbound endpoint core
Merge pull request #132 from isudana/master

refactoring inbound endpoint core
Modified several error messages.
Merge pull request #133 from iuj/master

Modified several error messages.