From 0f18d386f272751e739a78dc39b45394a45899da Mon Sep 17 00:00:00 2001
From: Andrea Marziali <andrea.marziali@datadoghq.com>
Date: Fri, 2 May 2025 08:46:38 +0200
Subject: [PATCH] Preserve old logic to extract jar file name

---
 .../java/datadog/trace/api/env/CapturedEnvironment.java     | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/internal-api/src/main/java/datadog/trace/api/env/CapturedEnvironment.java b/internal-api/src/main/java/datadog/trace/api/env/CapturedEnvironment.java
index 50e4d67fc5d..4b470a2d067 100644
--- a/internal-api/src/main/java/datadog/trace/api/env/CapturedEnvironment.java
+++ b/internal-api/src/main/java/datadog/trace/api/env/CapturedEnvironment.java
@@ -103,9 +103,9 @@ private String autodetectServiceName() {
       return siteName;
     }
 
-    if (processInfo.jarFile != null) {
-      final String jarName = processInfo.jarFile.getName();
-      return jarName.substring(0, jarName.length() - 4); // strip .jar
+    // preserve the original logic that is case sensitive on the .jar extension
+    if (processInfo.jarFile != null && processInfo.jarFile.getName().endsWith(".jar")) {
+      return processInfo.jarFile.getName().replace(".jar", "");
     } else {
       return processInfo.mainClass;
     }