2021-10-20 09:17:35,911 - synapse.federation.federation_client - 616 - WARNING - POST-61221 - Failed to send_join via matrix.org

Traceback (most recent call last):
File "/usr/local/lib/python3.8/site-packages/twisted/internet/defer.py", line 1661, in _inlineCallbacks
result = current_context.run(gen.send, result)
StopIteration: 0

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/lib/python3.8/site-packages/twisted/internet/defer.py", line 1661, in _inlineCallbacks
result = current_context.run(gen.send, result)

ation: {'ed25519:auto': FetchKeyResult(verify_key=<nacl.signing.VerifyKey object at 0x151c2e943f70>, valid_until_ts=1576767829750), 'ed25519:a_RXGa': FetchKeyResult(verify_key=<nacl.signing.VerifyKey object at 0x151be8e8f790>, valid_until_ts=1634773315345)}

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/lib/python3.8/site-packages/synapse/federation/federation_client.py", line 576, in _try_destination_list
return await callback(destination)
File "/usr/local/lib/python3.8/site-packages/synapse/federation/federation_client.py", line 825, in send_request
await concurrently_execute(
File "/usr/local/lib/python3.8/site-packages/twisted/internet/defer.py", line 1661, in _inlineCallbacks
result = current_context.run(gen.send, result)
File "/usr/local/lib/python3.8/site-packages/synapse/util/async_helpers.py", line 192, in _concurrently_execute_inner
await maybe_awaitable(func(value))
File "/usr/local/lib/python3.8/site-packages/synapse/federation/federation_client.py", line 815, in _execute
valid_pdu = await self._check_sigs_and_hash_and_fetch_one(
File "/usr/local/lib/python3.8/site-packages/synapse/federation/federation_client.py", line 458, in _check_sigs_and_hash_and_fetch_one
res = await self._check_sigs_and_hash(room_version, pdu)
File "/usr/local/lib/python3.8/site-packages/synapse/federation/federation_base.py", line 65, in _check_sigs_and_hash
if not check_event_content_hash(pdu):
File "/usr/local/lib/python3.8/site-packages/synapse/crypto/event_signing.py", line 42, in check_event_content_hash
name, expected_hash = compute_content_hash(event.get_pdu_json(), hash_algorithm)
File "/usr/local/lib/python3.8/site-packages/synapse/crypto/event_signing.py", line 96, in compute_content_hash
event_json_bytes = encode_canonical_json(event_dict)
File "/usr/local/lib/python3.8/site-packages/canonicaljson.py", line 73, in encode_canonical_json
s = _canonical_encoder.encode(json_object)
File "/usr/local/lib/python3.8/json/encoder.py", line 199, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/usr/local/lib/python3.8/json/encoder.py", line 257, in iterencode
return _iterencode(o, 0)
File "/usr/local/lib/python3.8/site-packages/canonicaljson.py", line 30, in _default
raise TypeError(
TypeError: Object of type Decimal is not JSON serializable
2021-10-20 09:17:35,911 - synapse.http.server - 88 - INFO - POST-61221 - <XForwardedForRequest at 0x151c15df5370 method='POST' uri='/_matrix/client/r0/join/!TEwfEWdDwdaFazXmwD%3Amatrix.org?server_name=matrix.org' clientproto='HTTP/1.1' site='8008'> SynapseError: 502 - Failed to send_join via any server