GBXing edited a comment on issue #3673:
URL: https://github.com/apache/apisix/issues/3673#issuecomment-787435279
@Yiyiyimu I used docker locally to start the etcd cluster and Apisix and
pause one of the etcd nodes, just like the k8s environment
its my exception log:
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
2021/02/28 10:21:59 [error] 53#53: *36 [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] 53#53: *27 [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/global_rules, context: ngx.timer
2021/02/28 10:22:28 [error] 53#53: *28 [lua] config_etcd.lua:544:
failed to fetch data from etcd: etcd-node2 could not be resolved (3: Host not
found), etcd key: /apisix/services, context: ngx.timer
2021/02/28 10:22:29 [error] 54#54: *12 [lua] config_etcd.lua:544:
failed to fetch data from etcd: etcd-node2 could not be resolved (3: Host not
found), etcd key: /apisix/consumers, context: ngx.timer
2021/02/28 10:23:03 [error] 54#54: *4 [lua] config_etcd.lua:544: failed
to fetch data from etcd: etcd-node2 could not be resolved (3: Host not found),
etcd key: /apisix/routes, context: ngx.timer
2021/02/28 10:23:04 [error] 53#53: *35 [lua] config_etcd.lua:544:
failed to fetch data from etcd: etcd-node2 could not be resolved (3: Host not
found), etcd key: /apisix/consumers, context: ngx.timer
2021/02/28 10:23:18 [error] 54#54: *445 [lua] config_etcd.lua:544:
failed to fetch data from etcd: etcd-node2 could not be resolved (3: Host not
found), etcd key: /apisix/ssl, context: ngx.timer
and calling the admin api returns:
{
"error_msg": "etcd-node2 could not be resolved (3: Host not
found)"
}
by printing the log I found that no health check for etcd was started and no
health_check.init () method was called
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