azura27 opened a new issue #3107: URL: https://github.com/apache/apisix/issues/3107
### Issue description When I put a route and visit it whthin 0.3 seconds, It would cause an error in zipkin plugin. Corresponding code is in apisix/apisix/plugins/zipkin.lua : ctx.opentracing_sample = tracer.sampler:sample(). And It annot be solved automatically. Is there any solution to make apisix continuing working, after trigger this error? Waiting for your response, thanks a lot~ ### Environment * apisix version (cmd: `apisix version`):2.0 * OS: (cmd: `uname -a`) ：3.10.0-693.el7.x86_64 * OpenResty / Nginx version: (cmd: `nginx -V` or `openresty -V`)：openresty/1.17.8.2 ### Minimal test code / Steps to reproduce the issue 1. PUT a route with zipkin plugin 2. right after 1, visit this route 3. 500 response happens ### What's the actual result? (including assertion message & call stack if applicable) continuous 500 response until reload by hand ### What's the expected result? actual response from server ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
