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Posted to notifications@apisix.apache.org by GitBox <gi...@apache.org> on 2020/06/03 11:51:41 UTC
[GitHub] [incubator-apisix] panhow opened a new issue #1644: bug: error occurs on ACTIVATE upstream health check, but error disappear after restart apisix
panhow opened a new issue #1644:
URL: https://github.com/apache/incubator-apisix/issues/1644
### Issue description
While apisix running, i add a upstream with healthcheck.
apisix cannot proxy request by this upstream.
After i restart, apisix works fine.
I won't restart my production LB after configure a upstream with healtchcheck.
It doesn't make sense.
Plz take a look at this. @moonming @membphis
### Environment
* apisix version (cmd: `apisix version`): apisix1.1
* OS: centos7
### Minimal test code / Steps to reproduce the issue
1. add route with healthcheck upstream
```
curl 127.0.0.1:9080/apisix/admin/routes -XPOST -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' --data '{"uri":"/testtestt","upstream":{"enable_websocket":true,"nodes":{"10.100.2.66:31652":10,"10.100.2.68:30000":10},"hash_on":"vars","type":"roundrobin","checks":{"active":{"unhealthy":{"http_failures":3,"interval":5,"tcp_failures":2,"timeouts":3},"http_path":"/api/ping","healthy":{"successes":3,"interval":5,"http_statuses":[200,302]},"concurrency":10,"https_verify_certificate":true,"timeout":1,"type":"http"},"passive":{"unhealthy":{"http_failures":3,"http_statuses":[500],"tcp_failures":3,"timeouts":7},"healthy":{"successes":3,"http_statuses":[200,201]},"type":"http"}}}}'
```
2. send request
```
curl 127.0.0.1:9080/testtestt
```
3.1 error occurs
```
2020/06/03 19:34:18 [error] 93632#0: *154929 failed to run balancer_by_lua*: /usr/local/apisix/lua/apisix/balancer.lua:98: bad argument #1 to 'insert' (table expected, got nil)
stack traceback:
[C]: in function 'insert'
/usr/local/apisix/lua/apisix/balancer.lua:98: in function 'create_obj_fun'
/usr/local/apisix/lua/apisix/core/lrucache.lua:66: in function 'lrucache_checker'
/usr/local/apisix/lua/apisix/balancer.lua:118: in function 'fetch_healthchecker'
/usr/local/apisix/lua/apisix/balancer.lua:233: in function 'pick_server'
/usr/local/apisix/lua/apisix/balancer.lua:298: in function 'load_balancer'
/usr/local/apisix/lua/apisix.lua:486: in function 'http_balancer_phase'
```
3.2 response with 500 internal error
```
<html>
<head><title>500 Internal Server Error</title></head>
<body>
<center>
```
4. restart apisix
5. upstream health check works fine, apisix proxy works fine.
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