From 584ce043e5c7ac520a7f3f280550d9798fc73774 Mon Sep 17 00:00:00 2001
From: Phil Bruckner <pnbruckner@gmail.com>
Date: Sun, 28 Jun 2020 00:19:54 -0500
Subject: [PATCH] Add debug output for invalid service call data (#37171)

---
 homeassistant/core.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/homeassistant/core.py b/homeassistant/core.py
index da4c5b56146..9e0b1514ab5 100644
--- a/homeassistant/core.py
+++ b/homeassistant/core.py
@@ -1219,7 +1219,16 @@ class ServiceRegistry:
             raise ServiceNotFound(domain, service) from None
 
         if handler.schema:
-            processed_data = handler.schema(service_data)
+            try:
+                processed_data = handler.schema(service_data)
+            except vol.Invalid:
+                _LOGGER.debug(
+                    "Invalid data for service call %s.%s: %s",
+                    domain,
+                    service,
+                    service_data,
+                )
+                raise
         else:
             processed_data = service_data