Fix exception message formatting
Fix exception message formatting

Change-Id: I62cf72856a4c722c78232e1355e9cc4aef3d7c42
Reviewed-on: http://review.couchbase.org/19650
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

GannettDigital/couchnode,jess-sheneberger/couchnode,ConnectedHomes/couchnode,ConnectedHomes/couchnode,kshmir/couchnode,jess-sheneberger/couchnode,Bloutiouf/couchnode,ronkorving/couchnode,couchbase/couchnode,brett19/couchnode,GannettDigital/couchnode,Bloutiouf/couchnode,actano/couchnode,corbinu/couchnode,jess-sheneberger/couchnode,Bloutiouf/couchnode,Bloutiouf/couchnode,couchbase/couchnode,couchbase/couchnode,corbinu/couchnode,ronkorving/couchnode,ronkorving/couchnode,ConnectedHomes/couchnode,ronkorving/couchnode,KenanSulayman/couchnode,couchbase/couchnode,ConnectedHomes/couchnode,actano/couchnode,KenanSulayman/couchnode,kshmir/couchnode,brett19/couchnode,KenanSulayman/couchnode,KenanSulayman/couchnode,GannettDigital/couchnode,corbinu/couchnode,actano/couchnode,kshmir/couchnode,brett19/couchnode,jess-sheneberger/couchnode