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Posted to notifications@apisix.apache.org by GitBox <gi...@apache.org> on 2021/07/23 02:36:49 UTC
[GitHub] [apisix] kuberxy edited a comment on issue #4649: request help: Why is the request forwarded to an unhealthy node
kuberxy edited a comment on issue #4649:
URL: https://github.com/apache/apisix/issues/4649#issuecomment-885359581
@spacewander @tzssangglass thanks.
in my environment, after one node goes down, other nodes have a certain load, which affects the health check (thinking that all nodes are unavailable), causing requests to be forwarded to the down node.
my error log like this:
```
2021/07/23 09:31:13 [error] 12880#12880: *1177465 upstream timed out (110: Connection timed out), client: 127.0.0.1, server: , request: "GET /res/static/css/Ktv.css HTTP/1.1", upstream: "http://192.168.3.11:8091/res/static/css/Ktv.css", host: "test.example.com", referrer: "https://test.example.com/circle/"
2021/07/23 09:31:13 [error] 12878#12878: *1177487 upstream timed out (110: Connection timed out), client: 127.0.0.1, server: , request: "GET /circle/circle/reader.js HTTP/1.1", upstream: "http://192.168.3.11:8091/circle/circle/reader.js", host: "test.example.com", referrer: "https://test.example.com/circle/"
2021/07/23 09:31:13 [error] 12878#12878: *1177487 [lua] balancer.lua:199: load_balancer(): failed to pick server: failed to find valid upstream server, all upstream servers tried while connecting to upstream, client: 127.0.0.1, server: , request: "GET /circle/circle/reader.js HTTP/1.1", upstream: "http://192.168.3.11:8091/circle/circle/reader.js", host: "test.example.com", referrer: "https://test.example.com/circle/"
2021/07/23 09:31:13 [error] 12880#12880: *1177465 [lua] balancer.lua:199: load_balancer(): failed to pick server: failed to find valid upstream server, all upstream servers tried while connecting to upstream, client: 127.0.0.1, server: , request: "GET /res/static/css/Ktv.css HTTP/1.1", upstream: "http://192.168.3.11:8091/res/static/css/Ktv.css", host: "test.example.com", referrer: "https://test.example.com/circle/"
2021/07/23 09:31:52 [error] 12877#12877: *1209538 connect() failed (111: Connection refused) while connecting to upstream, client: 127.0.0.1, server: , request: "GET /circle/circle/clear.gif HTTP/1.1", upstream: "http://192.168.3.12:8091/circle/circle/clear.gif", host: "test.example.com", referrer: "https://test.example.com/circle/"
2021/07/23 09:32:12 [error] 12875#12875: *1216086 connect() failed (111: Connection refused) while connecting to upstream, client: 127.0.0.1, server: , request: "GET /res/static/circle/images/find.png HTTP/1.1", upstream: "http://192.168.3.12:8091/res/static/circle/images/find.png", host: "test.example.com", referrer: "https://test.example.com/circle/"
```
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