Catch SQLAlchemyError exception.

gns3server/api/server.py

@@ -25,6 +25,7 @@ from fastapi import FastAPI, Request
 from starlette.exceptions import HTTPException as StarletteHTTPException
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import JSONResponse
+from sqlalchemy.exc import SQLAlchemyError
 from uvicorn.main import Server as UvicornServer
 
 from gns3server.controller.controller_error import (
@@ -160,6 +161,15 @@ async def http_exception_handler(request: Request, exc: StarletteHTTPException):
     )
 
 
+@app.exception_handler(SQLAlchemyError)
+async def sqlalchemry_error_handler(request: Request, exc: SQLAlchemyError):
+    log.error(f"Controller database error: {exc}")
+    return JSONResponse(
+        status_code=500,
+        content={"message": "Database error detected, please check logs to find details"},
+    )
+
+
 @app.middleware("http")
 async def add_extra_headers(request: Request, call_next):
     start_time = time.time()