RemoteA2aAgent - SendMessage issue [no attribute 'params' ] #2918
Description
** Please make sure you read the contribution guide and file the issues in the right place. **
Contribution guide.
Describe the bug
There is a bug in the implementation
a2a_request = A2AMessage(
message_id=str(uuid.uuid4()),
parts=message_parts,
role="user",
context_id=context_id,
)
logger.debug(build_a2a_request_log(a2a_request))A2A type
class Message(A2ABaseModel):
"""
Represents a single message in the conversation between a user and an agent.
"""
context_id: str | None = None
"""
The context ID for this message, used to group related interactions.
"""
extensions: list[str] | None = None
"""
The URIs of extensions that are relevant to this message.
"""
kind: Literal['message'] = 'message'
"""
The type of this object, used as a discriminator. Always 'message' for a Message.
"""
message_id: str
"""
A unique identifier for the message, typically a UUID, generated by the sender.
"""
metadata: dict[str, Any] | None = None
"""
Optional metadata for extensions. The key is an extension-specific identifier.
"""
parts: list[Part]
"""
An array of content parts that form the message body. A message can be
composed of multiple parts of different types (e.g., text and files).
"""
reference_task_ids: list[str] | None = None
"""
A list of other task IDs that this message references for additional context.
"""
role: Role
"""
Identifies the sender of the message. `user` for the client, `agent` for the service.
"""
task_id: str | None = None
"""
The ID of the task this message is part of. Can be omitted for the first message of a new task.
"""so when You call
site-packages/google/adk/a2a/logs/log_utils.py", line 128, in build_a2a_request_log
if req.params.message.parts:
^^^^^^^^^^
File "/Users/pretbc/Workspace/mags-demo/.venv/lib/python3.13/site-packages/pydantic/main.py", line 991, in __getattr__
raise AttributeError(f'{type(self).__name__!r} object has no attribute {item!r}')
AttributeError: 'Message' object has no attribute 'params'. Did you mean: 'parts'?
PARAMS are in
class SendMessageRequest(A2ABaseModel):
"""
Represents a JSON-RPC request for the `message/send` method.
"""
id: str | int
"""
The identifier for this request.
"""
jsonrpc: Literal['2.0'] = '2.0'
"""
The version of the JSON-RPC protocol. MUST be exactly "2.0".
"""
method: Literal['message/send'] = 'message/send'
"""
The method name. Must be 'message/send'.
"""
params: MessageSendParams
"""
The parameters for sending a message.
"""To Reproduce
Steps to reproduce the behavior:
- Install latest googl-adk 1.14.0
- RunRemoteA2aAgent
- Send something
- See error above
Expected behavior
Msssage sent
Desktop (please complete the following information):
- OS:MacOS
- Python version(python -V): 3.13
- ADK version(pip show google-adk):1.14.0
Model Information:
For example, which model is being used.
Additional context
Add any other context about the problem here.