From f4c5e1bc2daa9d532187bf44f0d822f2029d8932 Mon Sep 17 00:00:00 2001
From: Buck Ryan <buck@buckryan.com>
Date: Wed, 27 Jan 2021 11:23:44 -0500
Subject: [PATCH] specify the key in the 'null or empty value detected' log

---
 .../snowplow/tracker/payload/TrackerPayload.java                | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/snowplowanalytics/snowplow/tracker/payload/TrackerPayload.java b/src/main/java/com/snowplowanalytics/snowplow/tracker/payload/TrackerPayload.java
index 61b8efa3..2cd187fe 100644
--- a/src/main/java/com/snowplowanalytics/snowplow/tracker/payload/TrackerPayload.java
+++ b/src/main/java/com/snowplowanalytics/snowplow/tracker/payload/TrackerPayload.java
@@ -44,7 +44,7 @@ public void add(final String key, final String value) {
             return;
         }
         if (value == null || value.isEmpty()) {
-            LOGGER.info("null or empty value detected: {}", value);
+            LOGGER.info("null or empty value detected: {}->{}", key, value);
             return;
         }
         LOGGER.debug("Adding new kv pair: {}->{}", key, value);