GBXing commented on issue #3673:
URL: https://github.com/apache/apisix/issues/3673#issuecomment-787433605
@moonming Yes, the etcd cluster outputs the exception log after the nodes
are paused
`2021/02/28 10:21:59 [error] 54#54: *13 [lua] config_etcd.lua:566: failed to
fetch data from etcd:
/usr/local/apisix//deps/share/lua/5.1/resty/etcd/v3.lua:649: attempt to index
field 'result' (a nil value)
stack traceback:
/usr/local/apisix//deps/share/lua/5.1/resty/etcd/v3.lua:649: in
function 'res_func'
/usr/local/apisix/apisix/core/config_etcd.lua:125: in function 'waitdir'
/usr/local/apisix/apisix/core/config_etcd.lua:305: in function
'sync_data'
/usr/local/apisix/apisix/core/config_etcd.lua:540: in function
</usr/local/apisix/apisix/core/config_etcd.lua:530>
[C]: in function 'xpcall'
/usr/local/apisix/apisix/core/config_etcd.lua:530: in function
</usr/local/apisix/apisix/core/config_etcd.lua:521>, etcd key:
/apisix/upstreams, context: ngx.timer
2021/02/28 10:21:59 [error] 54#54: *6 [lua] config_etcd.lua:566: failed to
fetch data from etcd:
/usr/local/apisix//deps/share/lua/5.1/resty/etcd/v3.lua:649: attempt to index
field 'result' (a nil value)
stack traceback:
/usr/local/apisix//deps/share/lua/5.1/resty/etcd/v3.lua:649: in
function 'res_func'
/usr/local/apisix/apisix/core/config_etcd.lua:125: in function 'waitdir'
/usr/local/apisix/apisix/core/config_etcd.lua:305: in function
'sync_data'
/usr/local/apisix/apisix/core/config_etcd.lua:540: in function
</usr/local/apisix/apisix/core/config_etcd.lua:530>
[C]: in function 'xpcall'
/usr/local/apisix/apisix/core/config_etcd.lua:530: in function
</usr/local/apisix/apisix/core/config_etcd.lua:521>, etcd key: /apisix/ssl,
context: ngx.timer`
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