1 files changed, 4 insertions, 0 deletions
diff --git a/configgen/src/main/java/com/yahoo/config/codegen/DefLine.java b/configgen/src/main/java/com/yahoo/config/codegen/DefLine.java
index 48e1b58816e..fc54f03ad8b 100644
--- a/configgen/src/main/java/com/yahoo/config/codegen/DefLine.java
+++ b/configgen/src/main/java/com/yahoo/config/codegen/DefLine.java
@@ -34,6 +34,10 @@ public class DefLine {
         StringBuilder sb = new StringBuilder(line);
         int parsed = parseNameType(sb);
         sb.delete(0, parsed);
+        if (type.name.equals("file")) {
+            // Note: 'file' is used internally and also there is no support for 'path' in C++, so cannot be removed yet
+            System.out.println("Warning: config type 'file' is deprecated, use 'path' instead");
+        }
         if (type.name.equals("enum")) {
             parsed = parseEnum(sb);
             sb.delete(0, parsed);