From f5cbacdf9e29efd02ffb1121e29ab64a4f13f8b7 Mon Sep 17 00:00:00 2001
From: Anuj Sharma <sharma.anuj1991@gmail.com>
Date: Thu, 5 Mar 2026 16:56:59 +0530
Subject: [PATCH] HBASE-29961 Secondary cluster is unable to replayWAL for meta

---
 .../hbase/security/access/RegionReadOnlyController.java     | 4 +++-
 .../access/TestReadOnlyControllerRegionObserver.java        | 6 ++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/RegionReadOnlyController.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/RegionReadOnlyController.java
index ecd2dcedd645..411b4459f129 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/RegionReadOnlyController.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/RegionReadOnlyController.java
@@ -339,7 +339,9 @@ public Result preIncrementAfterRowLock(ObserverContext<? extends RegionCoprocess
   @Override
   public void preReplayWALs(ObserverContext<? extends RegionCoprocessorEnvironment> ctx,
     RegionInfo info, Path edits) throws IOException {
-    internalReadOnlyGuard();
+    if (!isOnMeta(ctx)) {
+      internalReadOnlyGuard();
+    }
     RegionObserver.super.preReplayWALs(ctx, info, edits);
   }
 
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestReadOnlyControllerRegionObserver.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestReadOnlyControllerRegionObserver.java
index b2e53860124a..d7176b900552 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestReadOnlyControllerRegionObserver.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestReadOnlyControllerRegionObserver.java
@@ -454,6 +454,12 @@ public void testPreReplayWALsReadOnlyException() throws IOException {
     regionReadOnlyController.preReplayWALs(ctx, info, edits);
   }
 
+  @Test
+  public void testPreReplayWALsReadOnlyMetaNoException() throws IOException {
+    mockOperationForMetaTable();
+    regionReadOnlyController.preReplayWALs(ctx, info, edits);
+  }
+
   @Test(expected = DoNotRetryIOException.class)
   public void testPreBulkLoadHFileReadOnlyException() throws IOException {
     regionReadOnlyController.preBulkLoadHFile(ctx, familyPaths);