From 5d8f79a1741a7bdbf0a62e493a7c56f66db61a44 Mon Sep 17 00:00:00 2001
From: Tsz-Wo Nicholas Sze <szetszwo@apache.org>
Date: Mon, 29 Sep 2025 12:30:31 -0700
Subject: [PATCH] HADOOP-17629. TestRPC#testAuthorization fails.

---
 .../src/test/java/org/apache/hadoop/ipc/TestRPC.java            | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestRPC.java b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestRPC.java
index 645432acdc50e..4d650161a4a40 100644
--- a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestRPC.java
+++ b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestRPC.java
@@ -702,6 +702,8 @@ public void testAuthorization() throws Exception {
 
     // Expect to succeed
     myConf.set(ACL_CONFIG, "*");
+    RPC.setProtocolEngine(myConf, TestRpcService.class, ProtobufRpcEngine2.class);
+
     doRPCs(myConf, false);
 
     // Reset authorization to expect failure