jiasanshou opened a new issue, #8065:
URL: https://github.com/apache/apisix/issues/8065
### Current Behavior
Method "batch_process:push" in batch-processor.lua report error: attempt to
index a nil value.
` if prometheus and not batch_metrics and self.name
and self.route_id and self.server_addr then
batch_metrics =
prometheus.get_prometheus():gauge("batch_process_entries",
"batch process
remaining entries",
{"name",
"route_id", "server_addr"})
end`
the code determine prometheus but not prometheus.get_prometheus() .
### Expected Behavior
In the version 2.12, the code is different and it works.
`if not batch_metrics and prometheus.get_prometheus() and self.name
and self.route_id and self.server_addr then
batch_metrics =
prometheus.get_prometheus():gauge("batch_process_entries",
"batch process
remaining entries",
{"name",
"route_id", "server_addr"})
end`
The code use if not batch_metrics and **prometheus.get_prometheus()** , so
it works well.
### Error Logs
2022/10/10 19:07:52 [error] 15074#0: *1109498 failed to run log_by_lua*:
.../software/apisix-2.15.0/apisix/utils/batch-processor.lua:189: attempt to
index a nil value
stack traceback:
.../software/apisix-2.15.0/apisix/utils/batch-processor.lua:189: in
function 'push'
...e/apisix-2.15.0/apisix/utils/batch-processor-manager.lua:121: in
function 'add_entry_to_new_processor'
### Steps to Reproduce
1.Run apisix in docker without promethus.
2.config a route with kafka-logger
3.fire a request, get the error.
### Environment
- APISIX version 2.15 (run `apisix version`):
- Operating system linux (run `uname -a`):
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