Yangzcy423911 opened a new issue #3266:
URL: https://github.com/apache/apisix/issues/3266
### Issue description
### Environment
* apisix version (cmd: `apisix version`): 2.2
* OS: (cmd: `uname -a`)
* OpenResty / Nginx version: (cmd: `nginx -V` or `openresty -V`)
openresty -V
Tengine version: Tengine/2.3.2
nginx version: nginx/1.17.3
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-44) (GCC)
built with OpenSSL 1.0.2k-fips 26 Jan 2017
TLS SNI support enabled
### Minimal test code / Steps to reproduce the issue
1. in router config monitor
about router
{
"node": {
"value": {
"update_time": 1610508245,
"methods": [
"GET",
"HEAD",
"POST",
"PUT",
"DELETE",
"OPTIONS",
"PATCH"
],
"upstream": {
"pass_host": "pass",
"type": "roundrobin",
"nodes": [
{
"host": "wx.test.com",
"port": 80,
"weight": 1
}
],
"timeout": {
"connect": 6000,
"send": 6000,
"read": 6000
}
},
"id": "337065930544645006",
"hosts": [
"wx.test.con"
],
"name": "test123",
"status": 1,
"uris": [
"/*"
],
"plugins": {
"prometheus": {
"disable": false
},
"redirect": {
"http_to_https": true
},
"request-id": {
"disable": false,
"include_in_response": true
}
},
"create_time": 1610436550,
"desc": "测试",
"vars": {}
},
"key": "/uat-apisix/routes/337065930544645006"
},
"count": "1",
"action": "get"
}
2. apisix error log
2021/01/13 11:27:32 [error] 17251#17251: *13691570 lua entry thread aborted:
runtime error: /usr/share/lua/5.1/apisix/core/etcd.lua:92: attempt to index
field 'header' (a nil value)
stack traceback:
coroutine 0:
/usr/share/lua/5.1/apisix/core/etcd.lua: in function 'get_format'
/usr/share/lua/5.1/apisix/core/config_etcd.lua:75: in function
'getkey'
/usr/share/lua/5.1/apisix/plugins/prometheus/exporter.lua:310: in
function 'handler'
/usr/share/lua/5.1/apisix/api_router.lua:124: in function 'handler'
/usr/local/apisix//deps/share/lua/5.1/resty/radixtree.lua:713: in
function 'dispatch'
/usr/share/lua/5.1/apisix/api_router.lua:159: in function 'match'
/usr/share/lua/5.1/apisix/init.lua:381: in function
'http_access_phase'
access_by_lua(nginx.conf:251):2: in main chunk, client: 192.168.1.1,
server: , request: "GET /apisix/prometheus/metrics HTTP/1.1", host:
"192.168.1.1"
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