From 97d6dbfb1a39895189d48dd8aa02c208f82ef143 Mon Sep 17 00:00:00 2001
From: Nilesh Patil <128893479+nileshpatil6@users.noreply.github.com>
Date: Tue, 21 Apr 2026 01:48:08 +0530
Subject: [PATCH] fix(tracing): catch ValueError and RecursionError in
 _safe_json_serialize

---
 src/google/adk/telemetry/tracing.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/google/adk/telemetry/tracing.py b/src/google/adk/telemetry/tracing.py
index 55c37a6c60..4ed40d2585 100644
--- a/src/google/adk/telemetry/tracing.py
+++ b/src/google/adk/telemetry/tracing.py
@@ -128,7 +128,7 @@ def _safe_json_serialize(obj) -> str:
     return json.dumps(
         obj, ensure_ascii=False, default=lambda o: '<not serializable>'
     )
-  except (TypeError, OverflowError):
+  except (TypeError, OverflowError, ValueError, RecursionError):
     return '<not serializable>'