Improve readability of fuzzer log messages for TApplicationException
Improve readability of fuzzer log messages for TApplicationException

Summary:
When logging a TApplicationException, use str instead of repr

Old:

  ERROR:root:Got application exception: TApplicationException(None,)

New:

  ERROR:root:Got application exception: substring not found

Test Plan: Run fuzzer on service that raises application exception

Reviewers: alandau, haijunz

Reviewed By: haijunz

Subscribers: alandau, bmatheny, yfeldblum

Differential Revision: https://phabricator.fb.com/D2237036

Tasks: 7688742

Signature: t1:2237036:1436808287:e11c03dc4e58d78f7e5f514a391431f3a0b355e8

soumith/fbthrift,raphaelamorim/fbthrift,facebook/fbthrift,facebook/fbthrift,soumith/fbthrift,HankFaan/fbthrift,maxwell-demon/fbthrift,LinusU/fbthrift,raphaelamorim/fbthrift,getyourguide/fbthrift,kangkot/fbthrift,sinjar666/fbthrift,soumith/fbthrift,facebook/fbthrift,maxwell-demon/fbthrift,sinjar666/fbthrift,sinjar666/fbthrift,getyourguide/fbthrift,LinusU/fbthrift,sinjar666/fbthrift,getyourguide/fbthrift,getyourguide/fbthrift,LinusU/fbthrift,Orvid/fbthrift,facebook/fbthrift,soumith/fbthrift,facebook/fbthrift,maxwell-demon/fbthrift,maxwell-demon/fbthrift,Orvid/fbthrift,guker/fbthrift,kangkot/fbthrift,kangkot/fbthrift,guker/fbthrift,guker/fbthrift,guker/fbthrift,maxwell-demon/fbthrift,raphaelamorim/fbthrift,maxwell-demon/fbthrift,LinusU/fbthrift,HankFaan/fbthrift,SergeyMakarenko/fbthrift,guker/fbthrift,soumith/fbthrift,raphaelamorim/fbthrift,sinjar666/fbthrift,SergeyMakarenko/fbthrift,soumith/fbthrift,soumith/fbthrift,SergeyMakarenko/fbthrift,facebook/fbthrift,LinusU/fbthrift,getyourguide/fbthrift,getyourguide/fbthrift,kangkot/fbthrift,sinjar666/fbthrift,maxwell-demon/fbthrift,Orvid/fbthrift,sinjar666/fbthrift,SergeyMakarenko/fbthrift,getyourguide/fbthrift,SergeyMakarenko/fbthrift,raphaelamorim/fbthrift,SergeyMakarenko/fbthrift,LinusU/fbthrift,LinusU/fbthrift,soumith/fbthrift,guker/fbthrift,Orvid/fbthrift,guker/fbthrift,raphaelamorim/fbthrift,soumith/fbthrift,maxwell-demon/fbthrift,sinjar666/fbthrift,kangkot/fbthrift,Orvid/fbthrift,LinusU/fbthrift,SergeyMakarenko/fbthrift,raphaelamorim/fbthrift,facebook/fbthrift,Orvid/fbthrift,raphaelamorim/fbthrift,kangkot/fbthrift,maxwell-demon/fbthrift,kangkot/fbthrift,SergeyMakarenko/fbthrift,getyourguide/fbthrift,sinjar666/fbthrift,kangkot/fbthrift,sinjar666/fbthrift,LinusU/fbthrift,Orvid/fbthrift,soumith/fbthrift,HankFaan/fbthrift,HankFaan/fbthrift,raphaelamorim/fbthrift,SergeyMakarenko/fbthrift,kangkot/fbthrift,SergeyMakarenko/fbthrift,kangkot/fbthrift,guker/fbthrift,guker/fbthrift,HankFaan/fbthrift,HankFaan/fbthrift,HankFaan/fbthrift,soumith/fbthrift,SergeyMakarenko/fbthrift,maxwell-demon/fbthrift,guker/fbthrift,LinusU/fbthrift,raphaelamorim/fbthrift,getyourguide/fbthrift,Orvid/fbthrift,HankFaan/fbthrift,sinjar666/fbthrift,Orvid/fbthrift,HankFaan/fbthrift,raphaelamorim/fbthrift,Orvid/fbthrift,HankFaan/fbthrift,guker/fbthrift,maxwell-demon/fbthrift,facebook/fbthrift,facebook/fbthrift,kangkot/fbthrift,HankFaan/fbthrift,SergeyMakarenko/fbthrift,LinusU/fbthrift,getyourguide/fbthrift,getyourguide/fbthrift,getyourguide/fbthrift,Orvid/fbthrift