diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index ad85157080..4ff5855299 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -790,6 +790,8 @@ Release 2.5.0 - UNRELEASED
     HDFS-4221. Remove the format limitation point from BKJM documentation as HDFS-3810
     closed. (Rakesh R via umamahesh)
 
+    HDFS-5411. Update Bookkeeper dependency to 4.2.3. (Rakesh R via umamahesh)
+
   BREAKDOWN OF HDFS-2006 SUBTASKS AND RELATED JIRAS
 
     HDFS-6299. Protobuf for XAttr and client-side implementation. (Yi Liu via umamahesh)
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/main/java/org/apache/hadoop/contrib/bkjournal/BookKeeperJournalManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/main/java/org/apache/hadoop/contrib/bkjournal/BookKeeperJournalManager.java
index ac3bd0253c..227be6b2c1 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/main/java/org/apache/hadoop/contrib/bkjournal/BookKeeperJournalManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/main/java/org/apache/hadoop/contrib/bkjournal/BookKeeperJournalManager.java
@@ -237,7 +237,7 @@ public void processResult(int rc, String path, Object ctx, String name) {
         zkPathLatch.countDown();
       }
     };
-    ZkUtils.createFullPathOptimistic(zkc, zkAvailablePath, new byte[0],
+    ZkUtils.asyncCreateFullPathOptimistic(zkc, zkAvailablePath, new byte[0],
         Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT, callback, null);
 
     try {
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/test/java/org/apache/hadoop/contrib/bkjournal/BKJMUtil.java b/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/test/java/org/apache/hadoop/contrib/bkjournal/BKJMUtil.java
index 32b0583c94..b1fc3d7dbc 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/test/java/org/apache/hadoop/contrib/bkjournal/BKJMUtil.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/test/java/org/apache/hadoop/contrib/bkjournal/BKJMUtil.java
@@ -149,13 +149,16 @@ BookieServer newBookie() throws Exception {
   int checkBookiesUp(int count, int timeout) throws Exception {
     ZooKeeper zkc = connectZooKeeper();
     try {
-      boolean up = false;
       int mostRecentSize = 0;
       for (int i = 0; i < timeout; i++) {
         try {
           List<String> children = zkc.getChildren("/ledgers/available",
                                                   false);
           mostRecentSize = children.size();
+          // Skip 'readonly znode' which is used for keeping R-O bookie details
+          if (children.contains("readonly")) {
+            mostRecentSize = children.size() - 1;
+          }
           if (LOG.isDebugEnabled()) {
             LOG.debug("Found " + mostRecentSize + " bookies up, "
                       + "waiting for " + count);
@@ -166,7 +169,6 @@ int checkBookiesUp(int count, int timeout) throws Exception {
             }
           }
           if (mostRecentSize == count) {
-            up = true;
             break;
           }
         } catch (KeeperException e) {
diff --git a/hadoop-project/pom.xml b/hadoop-project/pom.xml
index 511c21e9f4..2dc83dd4f9 100644
--- a/hadoop-project/pom.xml
+++ b/hadoop-project/pom.xml
@@ -722,7 +722,7 @@
       <dependency>
         <groupId>org.apache.bookkeeper</groupId>
         <artifactId>bookkeeper-server</artifactId>
-        <version>4.0.0</version>
+        <version>4.2.3</version>
         <scope>compile</scope>
       </dependency>
       <dependency>