do not send trace when the parsing error was expected
do not send trace when the parsing error was expected

PrFalken/exaproxy,PrFalken/exaproxy,PrFalken/exaproxy,david-farrar/exaproxy,david-farrar/exaproxy,david-farrar/exaproxy,jbfavre/exaproxy,jbfavre/exaproxy