kingmouse-yx opened a new issue, #6932:
URL: https://github.com/apache/apisix/issues/6932
### Current Behavior
In the rewrite phase, modifying the http request mode will cause multiple
request calls
I customized a plug-in, and in the rewrite phase, I rewritten the request
method and uri_args of this request. Here is my code:
```lua
-- 将ng中的请求数据换成转换完成的数据
local req_data_uri_args_json = core.json.decode(req_data_format)
log.warn(type(req_data_uri_args_json))
ngx.req.set_method(ngx.HTTP_GET)
ngx.req.set_uri_args(req_data_uri_args_json)
log.warn("设置之后的请求方法：",ngx.req.get_method())
```
But when I tested it, I found that apisix would make multiple requests. At
the same time, I found a lot of such request information in the access.log:
```log
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 504 175 6.009 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 504 6.002 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.880 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.872 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.922 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.916 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.939 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.930 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 504 175 6.009 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 504 6.003 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 6.004 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.996 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 504 175 6.009 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 504 6.003 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.864 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.856 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.894 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.888 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.908 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.901 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.953 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.946 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.970 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.962 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.986 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.979 "http://127.0.0.1:9080";
```
I want to ask why my operation causes such problems in the rewrite phase?
> Note: This doesn't happen every time(most of the time). Sometimes, after
deleting the route and re-creating it, it may only initiate two requests, but
sometimes it is normal
### Expected Behavior
I can modify it in rewite phase without triggering multiple calls
### Error Logs
```log
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 504 175 6.009 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 504 6.002 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.880 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.872 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.922 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.916 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.939 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.930 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 504 175 6.009 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 504 6.003 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 6.004 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.996 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 504 175 6.009 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 504 6.003 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.864 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.856 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.894 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.888 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.908 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.901 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.953 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.946 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.970 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.962 "http://127.0.0.1:9080";
172.20.0.1 - - [26/Apr/2022:06:15:45 +0000] 127.0.0.1:9080 "POST
/get/basicinfo?type=abs&processId=1 HTTP/1.1" 400 241 5.986 "-"
"PostmanRuntime/7.28.2" 10.201.2.107:80 400 5.979 "http://127.0.0.1:9080";
```
### Steps to Reproduce
1.add upstream
2.add route, Enable custom plug-ins
3.access with apisix
### Environment
- apisix version (cmd: apisix version): 2.13.0-alpine
- OS (cmd: uname -a): Darwin kingmouse.local 21.4.0 Darwin Kernel Version
21.4.0: Mon Feb 21 20:36:53 PST 2022; root:xnu-8020.101.4~2/RELEASE_ARM64_T8101
arm64
- OpenResty / Nginx version (cmd: nginx -V or openresty -V):
openresty/1.19.3.1
- etcd version, if have (cmd: run curl http://127.0.0.1:9090/v1/server_info
to get the info from server-info API): 3.4.0
- apisix-dashboard version, if have: 2.10.1
- the plugin runner version, if the issue is about a plugin runner (cmd:
depended on the kind of runner):
- luarocks version, if the issue is about installation (cmd: luarocks
--version):
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