The ExponentialHistorgram data point type was somewhat recently added, and does not work with the ConsoleMetricExporter because it is missing a to_json method (which seems to be defined on the other data point types).
This is the stack trace I get locally:
Exception while exporting metrics 'ExponentialHistogram' object has no attribute 'to_json'
Traceback (most recent call last):
File "/home/closeio/venv/lib/python3.10/site-packages/opentelemetry/sdk/metrics/_internal/export/__init__.py", line 523, in _receive_metrics
self._exporter.export(
File "/home/closeio/venv/lib/python3.10/site-packages/opentelemetry/sdk/metrics/_internal/export/__init__.py", line 163, in export
self.out.write(self.formatter(metrics_data))
File "/home/closeio/venv/lib/python3.10/site-packages/opentelemetry/sdk/metrics/_internal/export/__init__.py", line 143, in <lambda>
] = lambda metrics_data: metrics_data.to_json()
File "/home/closeio/venv/lib/python3.10/site-packages/opentelemetry/sdk/metrics/_internal/point.py", line 252, in to_json
"resource_metrics": [
File "/home/closeio/venv/lib/python3.10/site-packages/opentelemetry/sdk/metrics/_internal/point.py", line 253, in <listcomp>
loads(resource_metrics.to_json(indent=indent))
File "/home/closeio/venv/lib/python3.10/site-packages/opentelemetry/sdk/metrics/_internal/point.py", line 233, in to_json
"scope_metrics": [
File "/home/closeio/venv/lib/python3.10/site-packages/opentelemetry/sdk/metrics/_internal/point.py", line 234, in <listcomp>
loads(scope_metrics.to_json(indent=indent))
File "/home/closeio/venv/lib/python3.10/site-packages/opentelemetry/sdk/metrics/_internal/point.py", line 211, in to_json
"metrics": [
File "/home/closeio/venv/lib/python3.10/site-packages/opentelemetry/sdk/metrics/_internal/point.py", line 212, in <listcomp>
loads(metric.to_json(indent=indent))
File "/home/closeio/venv/lib/python3.10/site-packages/opentelemetry/sdk/metrics/_internal/point.py", line 193, in to_json
"data": loads(self.data.to_json(indent=indent)),
AttributeError: 'ExponentialHistogram' object has no attribute 'to_json'
The
ExponentialHistorgram
data point type was somewhat recently added, and does not work with theConsoleMetricExporter
because it is missing ato_json
method (which seems to be defined on the other data point types).This is the stack trace I get locally: