diff --git a/vllm/entrypoints/api_server.py b/vllm/entrypoints/api_server.py
index 03c0222d75fab..23d90678da65c 100644
--- a/vllm/entrypoints/api_server.py
+++ b/vllm/entrypoints/api_server.py
@@ -8,9 +8,8 @@
 import asyncio
 import json
 import ssl
-from dataclasses import asdict
-from typing import AsyncGenerator
 from argparse import Namespace
+from dataclasses import asdict
 from typing import Any, AsyncGenerator, Optional
 
 from fastapi import FastAPI, Request
@@ -19,8 +18,8 @@
 from vllm.engine.arg_utils import AsyncEngineArgs
 from vllm.engine.async_llm_engine import AsyncLLMEngine
 from vllm.entrypoints.launcher import serve_http
-from vllm.logger import init_logger
 from vllm.inputs import TokensPrompt
+from vllm.logger import init_logger
 from vllm.lora.request import LoRARequest
 from vllm.sampling_params import SamplingParams
 from vllm.usage.usage_lib import UsageContext
@@ -115,8 +114,8 @@ def build_app(args: Namespace) -> FastAPI:
 
 
 async def init_app(
-    args: Namespace,
-    llm_engine: Optional[AsyncLLMEngine] = None,
+        args: Namespace,
+        llm_engine: Optional[AsyncLLMEngine] = None,
 ) -> FastAPI:
     app = build_app(args)
 
@@ -125,7 +124,7 @@ async def init_app(
     engine_args = AsyncEngineArgs.from_cli_args(args)
     engine = (llm_engine
               if llm_engine is not None else AsyncLLMEngine.from_engine_args(
-                  engine_args, usage_context=UsageContext.API_SERVER))
+        engine_args, usage_context=UsageContext.API_SERVER))
 
     return app
 
@@ -155,28 +154,32 @@ async def run_server(args: Namespace,
 
 
 if __name__ == "__main__":
-    parser = FlexibleArgumentParser()
-    parser.add_argument("--host", type=str, default=None)
-    parser.add_argument("--port", type=int, default=8000)
-    parser.add_argument("--ssl-keyfile", type=str, default=None)
-    parser.add_argument("--ssl-certfile", type=str, default=None)
-    parser.add_argument("--ssl-ca-certs",
-                        type=str,
-                        default=None,
-                        help="The CA certificates file")
-    parser.add_argument(
-        "--ssl-cert-reqs",
-        type=int,
-        default=int(ssl.CERT_NONE),
-        help="Whether client certificate is required (see stdlib ssl module's)"
-    )
-    parser.add_argument(
-        "--root-path",
-        type=str,
-        default=None,
-        help="FastAPI root_path when app is behind a path based routing proxy")
-    parser.add_argument("--log-level", type=str, default="debug")
-    parser = AsyncEngineArgs.add_cli_args(parser)
-    args = parser.parse_args()
-
-    asyncio.run(run_server(args))
+    try:
+        parser = FlexibleArgumentParser()
+        parser.add_argument("--host", type=str, default=None)
+        parser.add_argument("--port", type=int, default=8000)
+        parser.add_argument("--ssl-keyfile", type=str, default=None)
+        parser.add_argument("--ssl-certfile", type=str, default=None)
+        parser.add_argument("--ssl-ca-certs",
+                            type=str,
+                            default=None,
+                            help="The CA certificates file")
+        parser.add_argument(
+            "--ssl-cert-reqs",
+            type=int,
+            default=int(ssl.CERT_NONE),
+            help="Whether client certificate is required (see stdlib ssl module's)"
+        )
+        parser.add_argument(
+            "--root-path",
+            type=str,
+            default=None,
+            help="FastAPI root_path when app is behind a path based routing proxy")
+        parser.add_argument("--log-level", type=str, default="debug")
+        parser = AsyncEngineArgs.add_cli_args(parser)
+        args = parser.parse_args()
+
+        asyncio.run(run_server(args))
+    except Exception as e:
+        logger.error(str(e))
+        raise