openresty / openresty/lua-nginx-module
Error using body_filter_by_lua in config
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Description
version: openresty/1.15.8.2
In config i use:
set $resp_body "";
body_filter_by_lua '
ngx.ctx.buffered = (ngx.ctx.buffered or "") .. ngx.arg[1]
if ngx.arg[2] then
ngx.var.resp_body = ngx.ctx.buffered
end
';
and for each request i catch this error
[error] 10#0: *1 failed to run body_filter_by_lua*: body_filter_by_lua:2: no request found
stack traceback:
[C]: in function '__index'
body_filter_by_lua:2: in main chunk, client: 172.21.0.2, server: _, request: "POST /logstash/test HTTP/1.1", host: "application.docker.localhost"
If I downgrade to 1.13 version, it works correctly
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the supplied body_filter_by_lua configuration on openresty/1.15.8.2 and the older 1.13 version, then inspect the reported “no request found” traceback. Done means identifying the version-specific cause and documenting or validating the expected behavior for this configuration.
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Assessment
- Tech stack
- lua, nginx
- Domain
- backend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100