zhlu001 opened a new issue, #8472:
URL: https://github.com/apache/apisix/issues/8472
### Description
Is it possible to dynamic to add headers in the ext-plugin (We implement a
java based plugin with "apisix-runner-starter, 0.4.0" )?
the methods we tried this method:
` public void filter(HttpRequest request, HttpResponse response,
PluginFilterChain chain `
...
` request.getHeaders().put("abc","abc");
request.getHeaders().put("567","565");`
...
Expectation:
upstream api receives the combined headers (original + dynamic).
client 10 headers --> apisix ext-plugin(java runner) add 2 headers=> 12
headers -> upstream, 12 headers
Actual
upstream api still receives the original headers
client 10 headers --> apisix ext-plugin(java runner) add 2 headers=> 12
headers -> upstream, 10 headers
We noticed that line 223 in the "RpcCallHandler" in the
"org.apache.apisix.plugin.runner.handler" ;package
still using the original request, even the ext-plugin add or remove the
header
Typically, data transmission after plugin should expose interface to
implementer. but currently, plugin only could change the header value, could
not dynamically add / remove headers
thx
### Environment
- APISIX version (run `apisix version`): 3.0
- Operating system (run `uname -a`): Centos7
- OpenResty / Nginx version (run `openresty -V` or `nginx -V`):
- etcd version, if relevant (run `curl
http://127.0.0.1:9090/v1/server_info`): 3.5.x
- APISIX Dashboard version, if relevant:
- Plugin runner version, for issues related to plugin runners:
apisix-runner-starter, 0.4.0
- LuaRocks version, for installation issues (run `luarocks --version`):
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