[Bug]: dify file upload failed: Request URL is missing an 'http://' or 'https://' protocol.

[SoHuDrgon]

Runtime environment

Docker

Exception

@sliverp

我上传文件后langbot日志：

[03-25 15:05:16.046] process.py (39) - [INFO] : Processing request from person_1037005728 (2): [File]test.docx
[03-25 15:05:16.104] difysvapi.py (153) - [WARNING] : dify file upload failed: Request URL is missing an 'http://' or 'https://' protocol.
[03-25 15:05:16.805] chat.py (135) - [INFO] : Conversation(2) Response: Call tool: 177353985...
[03-25 15:05:16.826] chat.py (135) - [INFO] : Conversation(2) Response: Call tool: 177373259...
[03-25 15:05:17.093] chat.py (135) - [INFO] : Conversation(2) Response: assistant: ...

然后我在网页界面对话调试里面选择流式旁边的图片上传按钮，里面不支持 文件上传

，我的langbot的dify配置：

基础URL配置了https的。我的dify没有收到文件，日志如下：

2026-03-25 06:58:30.481 INFO [MainThread] [strategy.py:161]  - Task tasks.app_generate.workflow_execute_task.workflow_based_app_execution_task[7e6930f2-7704-4461-a927-7b5666d71351] received
2026-03-25 06:58:30.484 INFO [Dummy-24260] [workflow_execute_task.py:261] 5b893eb93ff05212aa020af088438bf3 - workflow_based_app_execution_task run with params: app_id='a72ace3c-b2b1-4ec9-b8bf-ea4bdbce0ff5' workflow_id='be79e637-d977-4690-8ce0-dbb19de9b715' tenant_id='70010632-46e2-470e-b717-aac4d2f82a5a' app_mode=<AppMode.WORKFLOW: 'workflow'> user=_EndUser(TYPE=<_UserType.END_USER: 'end_user'>, end_user_id='d663446e-4dbb-48fa-9175-25f4b158238b') args={'inputs': {'langbot_user_message_text': 'When the file content is readable, please read the content of this file. When the file is an image, describe the content of this image.', 'langbot_session_id': 'person_1037005728', 'langbot_conversation_id': 'a8066189-7643-4dd7-897b-107de729d519', 'langbot_msg_create_time': 1774421906, '_pipeline_bound_plugins': None, '_pipeline_bound_mcp_servers': None, '_monitoring_bot_name': 'ShanZhiAsia_Bot', '_monitoring_pipeline_name': 'DifyWorkFLow', '_monitoring_message_id': 'b5e3079a-1a75-4852-aeea-ee2fd201960f', 'launcher_type': 'person', 'launcher_id': 1037005728, 'sender_id': 1037005728, 'session_id': 'person_1037005728', 'conversation_id': 'a8066189-7643-4dd7-897b-107de729d519', 'msg_create_time': 1774421906, 'group_name': '', 'sender_name': 'oces', 'user_message_text': '', '_knowledge_base_uuids': []}, 'files': [], 'response_mode': 'streaming'} invoke_from=<InvokeFrom.SERVICE_API: 'service-api'> streaming=True call_depth=0 root_node_id=None workflow_run_id='28b6e34c-0fc3-4a73-b474-12eb2ca3b955'
2026-03-25 06:58:30.749 INFO [GraphWorker-0] [_client.py:1038] 5b893eb93ff05212aa020af088438bf3 - HTTP Request: POST http://sandbox:8194/v1/sandbox/run "HTTP/1.1 200 OK"
2026-03-25 06:58:30.852 INFO [Dummy-24260] [trace.py:128] 5b893eb93ff05212aa020af088438bf3 - Task tasks.app_generate.workflow_execute_task.workflow_based_app_execution_task[7e6930f2-7704-4461-a927-7b5666d71351] succeeded in 0.3690957073122263s: None
2026-03-25 06:58:32.311 INFO [MainThread] [strategy.py:161]  - Task schedule.workflow_schedule_task.poll_workflow_schedules[9c5c6bdf-7779-4f8a-86ae-e876486b0866] received
2026-03-25 06:58:32.364 INFO [Dummy-24263] [trace.py:128] 259cb45cd8115a04b143da583283c5a1 - Task schedule.workflow_schedule_task.poll_workflow_schedules[9c5c6bdf-7779-4f8a-86ae-e876486b0866] succeeded in 0.05171323008835316s: None

麻烦修复一下问题

Reproduction steps

No response

Enabled plugins

No response

[E218PQ]

原来是3.4.14.3版本升级到langbot 4.9.6版本后，原来配置的机器人没了，我是企业微信-langbot-dify。重新配置后企业微信发送消息报错提示Error: Request URL is missing an 'http://' or 'https://' protocol.，但是在流水线测试正常的error
AI助手
Error: Request URL is missing an 'http://' or 'https://' protocol.

Traceback (most recent call last):
File "/app/.venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 101, in map_httpcore_exceptions
yield
File "/app/.venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 394, in handle_async_request
resp = await self._pool.handle_async_request(req)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/.venv/lib/python3.12/site-packages/httpcore/_async/connection_pool.py", line 207, in handle_async_request
raise UnsupportedProtocol(
httpcore.UnsupportedProtocol: Request URL is missing an 'http://' or 'https://' protocol.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/app/src/langbot/pkg/pipeline/pipelinemgr.py", line 333, in process_query
await self._execute_from_stage(0, query)
File "/app/src/langbot/pkg/pipeline/pipelinemgr.py", line 268, in _execute_from_stage
await self._execute_from_stage(i + 1, query)
File "/app/src/langbot/pkg/pipeline/pipelinemgr.py", line 268, in _execute_from_stage
await self._execute_from_stage(i + 1, query)
File "/app/src/langbot/pkg/pipeline/pipelinemgr.py", line 241, in _execute_from_stage
result = await result
^^^^^^^^^^^^
File "/app/src/langbot/pkg/pipeline/respback/respback.py", line 52, in process
await query.adapter.reply_message(
File "/app/src/langbot/pkg/platform/sources/wecom.py", line 257, in reply_message
await self.bot.send_private_msg(user_id, Wecom_event.agent_id, content['content'])
File "/app/src/langbot/libs/wecom_api/api.py", line 223, in send_private_msg
self.access_token = await self.get_access_token(self.secret)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/src/langbot/libs/wecom_api/api.py", line 63, in get_access_token
response = await client.get(url)
^^^^^^^^^^^^^^^^^^^^^
File "/app/.venv/lib/python3.12/site-packages/httpx/_client.py", line 1768, in get
return await self.request(
^^^^^^^^^^^^^^^^^^^
File "/app/.venv/lib/python3.12/site-packages/httpx/_client.py", line 1540, in request
return await self.send(request, auth=auth, follow_redirects=follow_redirects)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/.venv/lib/python3.12/site-packages/httpx/_client.py", line 1629, in send
response = await self._send_handling_auth(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/.venv/lib/python3.12/site-packages/httpx/_client.py", line 1657, in _send_handling_auth
response = await self._send_handling_redirects(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/.venv/lib/python3.12/site-packages/httpx/_client.py", line 1694, in _send_handling_redirects
response = await self._send_single_request(request)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/.venv/lib/python3.12/site-packages/httpx/_client.py", line 1730, in _send_single_request
response = await transport.handle_async_request(request)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/.venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 393, in handle_async_request
with map_httpcore_exceptions():
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/contextlib.py", line 158, in exit
self.gen.throw(value)
File "/app/.venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 118, in map_httpcore_exceptions
raise mapped_exc(message) from exc
httpx.UnsupportedProtocol: Request URL is missing an 'http://' or 'https://' protocol.

[RockChinQ]

@E218PQ 你这个问题是平台适配器调用接口时报错，你应该是修改了适配器的api地址字段，没有加协议名称，与此issue不是同一个问题