? ''
: 0
'0': 1
'1': 2
'400': 3
'401': 4
'403': 5
'404': 6
'423': 7
'429': 8
'500': 9
'503': 10
'504': 11
CompletionException: 12
HystrixRuntimeException: 13
ProcessingException: 14
SOAERROR_1006: 15
SOAERROR_2017: 16
SOAERROR_2026: 17
SOAERROR_2028: 18
UNFINISHED: 19