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Did you also report this to the httpx project? It's likely that this is an downstream issue. The hpack library itself does not handle multi-threading or concurrent access - this is up to the consumer of the library, in this case httpx. It could be related to #3002
Backing off get_with_retry(...) for 0.1s (httpx.RemoteProtocolError: <ConnectionTerminated error_code:9, last_stream_id:15, additional_data:None>)
Backing off get_with_retry(...) for 0.4s (httpx.RemoteProtocolError: <ConnectionTerminated error_code:9, last_stream_id:15, additional_data:None>)
Traceback (most recent call last):
File "/host/usr/local/bin/watch.py", line 567, in <module>
main()
File "/host/usr/local/bin/watch.py", line 396, in main
for _ in executor.map(download, secs, repeat(c), repeat(ret_periods), repeat(display_price)):
File "/usr/lib/python3.12/concurrent/futures/_base.py", line 619, in result_iterator
yield _result_or_cancel(fs.pop())
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.12/concurrent/futures/_base.py", line 317, in _result_or_cancel
return fut.result(timeout)
^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.12/concurrent/futures/_base.py", line 449, in result
return self.__get_result()
^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.12/concurrent/futures/_base.py", line 401, in __get_result
raise self._exception
File "/usr/lib/python3.12/concurrent/futures/thread.py", line 58, in run
result = self.fn(*self.args, **self.kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/host/usr/local/bin/watch.py", line 145, in download
resp = get_with_retry(url, c, timeout=5)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/backoff/_sync.py", line 105, in retry
ret = target(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/backoff/_sync.py", line 48, in retry
ret = target(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^
File "/host/usr/local/bin/mb_httpx.py", line 104, in get_with_retry
return c.get(
^^^^^^
File "/usr/local/lib/python3.12/dist-packages/httpx/_client.py", line 1054, in get
return self.request(
^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/httpx/_client.py", line 827, in request
return self.send(request, auth=auth, follow_redirects=follow_redirects)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/httpx/_client.py", line 914, in send
response = self._send_handling_auth(
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/httpx/_client.py", line 942, in _send_handling_auth
response = self._send_handling_redirects(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/httpx/_client.py", line 979, in _send_handling_redirects
response = self._send_single_request(request)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/httpx/_client.py", line 1015, in _send_single_request
response = transport.handle_request(request)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/httpx/_transports/default.py", line 233, in handle_request
resp = self._pool.handle_request(req)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/httpcore/_sync/connection_pool.py", line 216, in handle_request
raise exc from None
File "/usr/local/lib/python3.12/dist-packages/httpcore/_sync/connection_pool.py", line 196, in handle_request
response = connection.handle_request(
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/httpcore/_sync/connection.py", line 101, in handle_request
return self._connection.handle_request(request)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/httpcore/_sync/http2.py", line 185, in handle_request
raise exc
File "/usr/local/lib/python3.12/dist-packages/httpcore/_sync/http2.py", line 142, in handle_request
self._send_request_headers(request=request, stream_id=stream_id)
File "/usr/local/lib/python3.12/dist-packages/httpcore/_sync/http2.py", line 247, in _send_request_headers
self._h2_state.send_headers(stream_id, headers, end_stream=end_stream)
File "/usr/local/lib/python3.12/dist-packages/h2/connection.py", line 770, in send_headers
frames = stream.send_headers(
^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/h2/stream.py", line 867, in send_headers
frames = self._build_headers_frames(
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/h2/stream.py", line 1254, in _build_headers_frames
encoded_headers = encoder.encode(headers)
^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/hpack/hpack.py", line 255, in encode
header_block.append(self.add(header, sensitive, huffman))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/hpack/hpack.py", line 280, in add
match = self.header_table.search(name, value)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/hpack/table.py", line 184, in search
for (i, (n, v)) in enumerate(self.dynamic_entries):
RuntimeError: deque mutated during iteration
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Per hpak's author @Kriechi in python-hyper/hpack#275 (comment)_, I am reporting this bug here.
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