From f315a8ddcfc1475179d52495a0c221bfba0df116 Mon Sep 17 00:00:00 2001
From: Blackoutta <hyytez@gmail.com>
Date: Fri, 27 Feb 2026 13:22:12 +0800
Subject: [PATCH] fix: error handling on credential validation

---
 .../interfaces/model/openai_compatible/llm.py            | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/python/dify_plugin/interfaces/model/openai_compatible/llm.py b/python/dify_plugin/interfaces/model/openai_compatible/llm.py
index 47861d2a..11035659 100644
--- a/python/dify_plugin/interfaces/model/openai_compatible/llm.py
+++ b/python/dify_plugin/interfaces/model/openai_compatible/llm.py
@@ -171,6 +171,7 @@ def validate_credentials(self, model: str, credentials: dict) -> None:
         :param credentials: model credentials
         :return:
         """
+        response = None
         try:
             headers = {"Content-Type": "application/json"}
 
@@ -255,9 +256,15 @@ def validate_credentials(self, model: str, credentials: dict) -> None:
                 )
         except CredentialsValidateFailedError:
             raise
+        except requests.RequestException as ex:
+            raise CredentialsValidateFailedError(
+                f"Credentials validation request failed: {ex!s}"
+            ) from ex
         except Exception as ex:
+            response_body = response.text if response is not None else "<no response>"
             raise CredentialsValidateFailedError(
-                f"An error occurred during credentials validation: {ex!s}, response body {response.text}"
+                f"An error occurred during credentials validation: {ex!s}, "
+                f"response body {response_body}"
             ) from ex
 
     def get_customizable_model_schema(self, model: str, credentials: dict) -> AIModelEntity: