From 58258eb640f05bfd43bfa0e6d155327400a4ccd4 Mon Sep 17 00:00:00 2001
From: Alex Osborne <aosborne@nla.gov.au>
Date: Fri, 10 Jul 2026 16:05:27 +0900
Subject: [PATCH] BiDiJson: map results to null for commands that return Void

Fixes java.lang.UnsupportedOperationException: Unsupported type: class java.lang.Void
---
 commons/src/main/java/org/archive/net/webdriver/BiDiJson.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commons/src/main/java/org/archive/net/webdriver/BiDiJson.java b/commons/src/main/java/org/archive/net/webdriver/BiDiJson.java
index 7b9b6bc0..a68fa20b 100644
--- a/commons/src/main/java/org/archive/net/webdriver/BiDiJson.java
+++ b/commons/src/main/java/org/archive/net/webdriver/BiDiJson.java
@@ -111,7 +111,7 @@ class BiDiJson {
     @SuppressWarnings("unchecked")
     static <T> T fromJson(Object value, Class<T> type) {
         try {
-            if (value == JSONObject.NULL) {
+            if (value == JSONObject.NULL || type == Void.class) {
                 return null;
             }
             if (value == null || type.isPrimitive() || type.isAssignableFrom(value.getClass())) {