diff --git a/contrib/fb303/java/Constants.java b/contrib/fb303/java/Constants.java
new file mode 100644
index 0000000..d1e8c73
--- /dev/null
+++ b/contrib/fb303/java/Constants.java
@@ -0,0 +1,16 @@
+/**
+ * Autogenerated by Thrift
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ */
+package com.facebook.fb303;
+
+import java.util.ArrayList;
+import java.util.AbstractMap;
+import java.util.HashMap;
+import java.util.HashSet;
+import com.facebook.thrift.*;
+
+public class Constants {
+
+}