Похоже работает

backend/src/app.py

@@ -18,6 +18,7 @@ import asyncio
 import os
 
 from .dependencies import get_task_manager, get_scheduler_service
+from .core.utils.network import NetworkError
 from .core.logger import logger, belief_scope
 from .api.routes import plugins, tasks, settings, environments, mappings, migration, connections, git, storage, admin, llm
 from .api import auth
@@ -77,13 +78,34 @@ app.add_middleware(
 # @POST: Logs request and response details.
 # @PARAM: request (Request) - The incoming request object.
 # @PARAM: call_next (Callable) - The next middleware or route handler.
+@app.exception_handler(NetworkError)
+async def network_error_handler(request: Request, exc: NetworkError):
+    with belief_scope("network_error_handler"):
+        logger.error(f"Network error: {exc}")
+        return HTTPException(
+            status_code=503,
+            detail="Environment unavailable. Please check if the Superset instance is running."
+        )
+
 @app.middleware("http")
 async def log_requests(request: Request, call_next):
-    with belief_scope("log_requests", f"{request.method} {request.url.path}"):
-        logger.info(f"[DEBUG] Incoming request: {request.method} {request.url.path}")
+    # Avoid spamming logs for polling endpoints
+    is_polling = request.url.path.endswith("/api/tasks") and request.method == "GET"
+    
+    if not is_polling:
+        logger.info(f"Incoming request: {request.method} {request.url.path}")
+    
+    try:
         response = await call_next(request)
-        logger.info(f"[DEBUG] Response status: {response.status_code} for {request.url.path}")
+        if not is_polling:
+            logger.info(f"Response status: {response.status_code} for {request.url.path}")
         return response
+    except NetworkError as e:
+        logger.error(f"Network error caught in middleware: {e}")
+        raise HTTPException(
+            status_code=503,
+            detail="Environment unavailable. Please check if the Superset instance is running."
+        )
 # [/DEF:log_requests:Function]
 
 # Include API routes