GBXing opened a new issue #2175: URL: https://github.com/apache/apisix/issues/2175
### Issue description ### Environment * apisix version (cmd: `apisix version`):1.5 * OS:Ubuntu ### Minimal test code / Steps to reproduce the issue 1. Add Kafka-logger to the route and access it ### What's the actual result? (including assertion message & call stack if applicable) Normal functionality, but with exception logging error.log: 2020/09/07 14:39:03 [error] 502#502: *169385 [lua] batch-processor.lua:61: Batch Processor[kafka logger] failed to process entries: nil, context: ngx.timer, client: 172.29.64.1, server: 0.0.0.0:9080 2020/09/07 14:39:03 [error] 502#502: *169385 [lua] batch-processor.lua:68: Batch Processor[kafka logger] exceeded the max_retry_count[1] dropping the entries, context: ngx.timer, client: 172.29.64.1, server: 0.0.0.0:9080 ### What's the expected result? ---------------------------------------------------------------- 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