[Backport master] Fix TypeError: 'NoneType' object is not iterable #2104
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Traceback (most recent call last):
File "/usr/lib/python3.10/wsgiref/handlers.py", line 137, in run
self.result = application(self.environ, self.start_response)
File "/usr/local/lib/python3.10/dist-packages/prometheus_client/exposition.py", line 129, in prometheus_app
status, headers, output = _bake_output(registry, accept_header, accept_encoding_header, params, disable_compression)
File "/usr/local/lib/python3.10/dist-packages/prometheus_client/exposition.py", line 105, in _bake_output
output = encoder(registry)
File "/usr/local/lib/python3.10/dist-packages/prometheus_client/openmetrics/exposition.py", line 21, in generate_latest
for metric in registry.collect():
File "/usr/local/lib/python3.10/dist-packages/prometheus_client/registry.py", line 97, in collect
yield from collector.collect()
File "/usr/local/lib/python3.10/dist-packages/c2cwsgiutils/prometheus.py", line 135, in _deserialize_collected_data
for serialized_metric in serialized_collection:
TypeError: 'NoneType' object is not iterable
----------------------------------------
Exception occurred during processing of request from ('10.10.38.202', 55654)
Traceback (most recent call last):
File "/usr/lib/python3.10/wsgiref/handlers.py", line 137, in run
self.result = application(self.environ, self.start_response)
File "/usr/local/lib/python3.10/dist-packages/prometheus_client/exposition.py", line 129, in prometheus_app
status, headers, output = _bake_output(registry, accept_header, accept_encoding_header, params, disable_compression)
File "/usr/local/lib/python3.10/dist-packages/prometheus_client/exposition.py", line 105, in _bake_output
output = encoder(registry)
File "/usr/local/lib/python3.10/dist-packages/prometheus_client/openmetrics/exposition.py", line 21, in generate_latest
for metric in registry.collect():
File "/usr/local/lib/python3.10/dist-packages/prometheus_client/registry.py", line 97, in collect
yield from collector.collect()
File "/usr/local/lib/python3.10/dist-packages/c2cwsgiutils/prometheus.py", line 135, in _deserialize_collected_data
for serialized_metric in serialized_collection:
TypeError: 'NoneType' object is not iterable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3.10/socketserver.py", line 683, in process_request_thread
self.finish_request(request, client_address)
File "/usr/lib/python3.10/socketserver.py", line 360, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "/usr/lib/python3.10/socketserver.py", line 747, in __init__
self.handle()
File "/usr/lib/python3.10/wsgiref/simple_server.py", line 134, in handle
handler.run(self.server.get_app())
File "/usr/lib/python3.10/wsgiref/handlers.py", line 145, in run
self.handle_error()
File "/usr/lib/python3.10/wsgiref/handlers.py", line 382, in handle_error
self.finish_response()
File "/usr/lib/python3.10/wsgiref/handlers.py", line 184, in finish_response
self.write(data)
File "/usr/lib/python3.10/wsgiref/handlers.py", line 288, in write
self.send_headers()
File "/usr/lib/python3.10/wsgiref/handlers.py", line 346, in send_headers
self.send_preamble()
File "/usr/lib/python3.10/wsgiref/handlers.py", line 268, in send_preamble
self._write(
File "/usr/lib/python3.10/wsgiref/handlers.py", line 467, in _write
result = self.stdout.write(data)
File "/usr/lib/python3.10/socketserver.py", line 826, in write
self._sock.sendall(b)
BrokenPipeError: [Errno 32] Broken pipe
----------------------------------------
HTTP/1.1 10.10.37.248:8080 GET /config/c2c/health_check? "-" "kube-probe/1.27" 200 30 2295 <9>
HTTP/1.1 10.10.37.248:8080 GET /config/c2c/health_check? "-" "kube-probe/1.27" 200 30 2461 <9>
sbrunner
approved these changes
Jan 10, 2024
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Backport of #2103