codifierr commented on issue #9921:
URL: https://github.com/apache/apisix/issues/9921#issuecomment-1667317686
Same problem with 3.4.1.
**Opentelemetry plugin config**
"opentelemetry": {
"sampler": {
"name": "always_on"
},
"additional_attributes": [
"service_name",
"graphql_name",
"graphql_operation",
"request_method",
"bytes_received",
"bytes_sent",
"content_length",
"request_time",
"upstream_response_time",
"upstream_status"
]
}
**Logs**
2023-08-07 12:44:06 2023/08/07 07:14:06 [error] 149#149: *9438 lua entry
thread aborted: runtime error:
...deps/share/lua/5.1/opentelemetry/trace/exporter/otlp.lua:104: bad argument
#2 to 'encode' (string expected for field 'string_value', got number)
2023-08-07 12:44:06 stack traceback:
2023-08-07 12:44:06 coroutine 0:
2023-08-07 12:44:06 [C]: in function 'encode'
2023-08-07 12:44:06
...deps/share/lua/5.1/opentelemetry/trace/exporter/otlp.lua:104: in function
'export_spans'
2023-08-07 12:44:06
...are/lua/5.1/opentelemetry/trace/batch_span_processor.lua:45: in function
'process_batches'
2023-08-07 12:44:06
...are/lua/5.1/opentelemetry/trace/batch_span_processor.lua:77: in function
<...are/lua/5.1/opentelemetry/trace/batch_span_processor.lua:57>, context:
ngx.timer, client: 172.18.0.1, server: 0.0.0.0:9080
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