tzssangglass commented on issue #4160: URL: https://github.com/apache/apisix/issues/4160#issuecomment-833468542
@sandy420 good catch! welcome PR! I can reproduce it now step 1：create a plugin config ``` curl http://127.0.0.1:9080/apisix/admin/plugin_configs/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -i -d ' { "desc": "blah", "plugins": { "prometheus":{} } }' ``` step2: bind it to route ``` curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -i -d ' { "uris": ["/hello"], "plugin_config_id": 1, "plugins": { "limit-count": { "count": 20, "time_window": 60, "rejected_code": 503 } }, "upstream": { "type": "roundrobin", "nodes": { "127.0.0.1:1980": 1 } } }' ``` step3: trigger route ``` curl 127.0.0.1:9080/hello ``` step4: request prometheus endpoint ``` curl http://127.0.0.1:9080/apisix/prometheus/metrics ``` if it does not appear, repeat step4. the error.log is ``` 2021/05/06 20:00:17 [error] 32148#32148: *480 lua entry thread aborted: runtime error: /usr/local/apisix/apisix/plugins/prometheus/exporter.lua:209: attempt to compare number with string stack traceback: coroutine 0: /usr/local/apisix/apisix/plugins/prometheus/exporter.lua: in function 'set_modify_index' /usr/local/apisix/apisix/plugins/prometheus/exporter.lua:232: in function 'etcd_modify_index' /usr/local/apisix/apisix/plugins/prometheus/exporter.lua:298: in function 'handler' /usr/local/apisix/apisix/api_router.lua:130: in function 'handler' /usr/local/apisix//deps/share/lua/5.1/resty/radixtree.lua:720: in function 'dispatch' /usr/local/apisix/apisix/api_router.lua:165: in function 'match' /usr/local/apisix/apisix/init.lua:292: in function 'http_access_phase' access_by_lua(nginx.conf:204):2: in main chunk, client: 127.0.0.1, server: , request: "GET /apisix/prometheus/metrics HTTP/1.1", host: "127.0.0.1:9080" ``` this problem may be caused by https://github.com/apache/apisix/blob/b551f42d90d07598efd775fdeac392043534f8b4/apisix/plugin_config.lua#L65 @spacewander pls take a look -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
