linmengmeng-1314 opened a new issue, #330:
URL: https://github.com/apache/hugegraph-ai/issues/330
### Description
The `POST /config/graph` endpoint always returns **500 Internal Server
Error** when called, due to an attribute name mismatch between the request
model and the API handler.
### Environment
- Version: `hugegraph/rag:1.7.0` (Docker image)
- Component: `hugegraph-llm`
### Steps to Reproduce
1. Start the RAG service with `hugegraph/rag:1.7.0`
2. Call the `/config/graph` endpoint:
```bash
curl -X POST http://localhost:8001/config/graph \
-H "Content-Type: application/json" \
-d '{"url": "127.0.0.1:8080", "graph": "hugegraph"}'
```
3. Observe 500 error
### Error Log
```
AttributeError: 'GraphConfigRequest' object has no attribute 'name'
File "hugegraph_llm/api/rag_api.py", line 158, in graph_config_api
res = apply_graph_conf(req.url, req.name, req.user, req.pwd, req.gs,
origin_call="http")
```
### Root Cause
In `rag_api.py:158`, the handler uses `req.name`, but the
`GraphConfigRequest` model (`rag_requests.py`) defines the field as `graph`,
not `name`:
```python
class GraphConfigRequest(BaseModel):
url: str = Query("127.0.0.1:8080", description="hugegraph client url.")
graph: str = Query("hugegraph", description="hugegraph client name.") #
<-- field is "graph"
user: str = Query("", description="hugegraph client user.")
pwd: str = Query("", description="hugegraph client pwd.")
gs: str = None
```
### Fix
In `hugegraph-llm/src/hugegraph_llm/api/rag_api.py`, line 158:
```python
# Before
res = apply_graph_conf(req.url, req.name, req.user, req.pwd, req.gs,
origin_call="http")
# After
res = apply_graph_conf(req.url, req.graph, req.user, req.pwd, req.gs,
origin_call="http")
```
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