add Locale.ROOT

jpbempel · jpbempel · commit 883b8d14d08e · 2026-04-29T14:26:00.000+02:00
diff --git a/dd-java-agent/agent-debugger/src/main/java/com/datadog/debugger/agent/TransformerDefinitionMatcher.java b/dd-java-agent/agent-debugger/src/main/java/com/datadog/debugger/agent/TransformerDefinitionMatcher.java
@@ -9,6 +9,7 @@
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -60,7 +61,7 @@ private void populateDefinitionFileNamesMap(Collection<ProbeDefinition> definiti
         continue;
       }
       fileName = normalizeWindowsToUnixPath(fileName);
-      fileName = fileName.toLowerCase();
+      fileName = fileName.toLowerCase(Locale.ROOT);
       Map<String, List<ProbeDefinition>> targetMap =
           fileName.indexOf('/') != -1
               ? definitionsByQualifiedFileNames
@@ -140,7 +141,7 @@ private List<ProbeDefinition> matchProbeDefinitionsBySourceFile(
       sb.append(reversedPackageName);
     }
     String reversedFileName = sb.toString();
-    reversedFileName = reversedFileName.toLowerCase();
+    reversedFileName = reversedFileName.toLowerCase(Locale.ROOT);
     List<ProbeDefinition> bySourceFileDefinitions = new ArrayList<>();
     // try match qualified filenames
     Collection<String> matchingFileNames =
@@ -155,7 +156,7 @@ private List<ProbeDefinition> matchProbeDefinitionsBySourceFile(
       }
     }
     // try match simple filenames
-    sourceFileName = sourceFileName.toLowerCase();
+    sourceFileName = sourceFileName.toLowerCase(Locale.ROOT);
     List<ProbeDefinition> definitions = definitionsBySimpleFileNames.get("/" + sourceFileName);
     if (definitions != null) {
       bySourceFileDefinitions.addAll(definitions);
