diff --git a/dora/core/common/src/main/java/alluxio/underfs/ObjectUnderFileSystem.java b/dora/core/common/src/main/java/alluxio/underfs/ObjectUnderFileSystem.java
index e45df22a9ce1..f81ae1e0442a 100755
--- a/dora/core/common/src/main/java/alluxio/underfs/ObjectUnderFileSystem.java
+++ b/dora/core/common/src/main/java/alluxio/underfs/ObjectUnderFileSystem.java
@@ -202,7 +202,8 @@ public interface ObjectListingChunk {
      * @return true if there is, no if there isn't, NULL if it cannot tell
      */
     default @Nullable Boolean hasNextChunk() {
-      return null;
+      throw new UnsupportedOperationException(
+          "HasNextChunk not implemented for " + getClass().getName());
     }
   }
 
diff --git a/dora/underfs/cos/src/main/java/alluxio/underfs/cos/COSUnderFileSystem.java b/dora/underfs/cos/src/main/java/alluxio/underfs/cos/COSUnderFileSystem.java
index b5c3db779f07..c91a99b33b4d 100644
--- a/dora/underfs/cos/src/main/java/alluxio/underfs/cos/COSUnderFileSystem.java
+++ b/dora/underfs/cos/src/main/java/alluxio/underfs/cos/COSUnderFileSystem.java
@@ -328,6 +328,11 @@ public ObjectListingChunk getNextChunk() throws IOException {
       }
       return null;
     }
+
+    @Override
+    public Boolean hasNextChunk() {
+      return mResult.isTruncated();
+    }
   }
 
   @Override
diff --git a/dora/underfs/obs/src/main/java/alluxio/underfs/obs/OBSUnderFileSystem.java b/dora/underfs/obs/src/main/java/alluxio/underfs/obs/OBSUnderFileSystem.java
index 617853dcfe5b..2a1f03598860 100644
--- a/dora/underfs/obs/src/main/java/alluxio/underfs/obs/OBSUnderFileSystem.java
+++ b/dora/underfs/obs/src/main/java/alluxio/underfs/obs/OBSUnderFileSystem.java
@@ -392,6 +392,11 @@ public ObjectListingChunk getNextChunk() throws IOException {
       }
       return null;
     }
+
+    @Override
+    public Boolean hasNextChunk() {
+      return mResult.isTruncated();
+    }
   }
 
   @Override
diff --git a/dora/underfs/oss/src/main/java/alluxio/underfs/oss/OSSUnderFileSystem.java b/dora/underfs/oss/src/main/java/alluxio/underfs/oss/OSSUnderFileSystem.java
index ba0f0fe68efa..703ec8838d7a 100644
--- a/dora/underfs/oss/src/main/java/alluxio/underfs/oss/OSSUnderFileSystem.java
+++ b/dora/underfs/oss/src/main/java/alluxio/underfs/oss/OSSUnderFileSystem.java
@@ -361,6 +361,11 @@ public ObjectListingChunk getNextChunk() throws IOException {
       }
       return null;
     }
+
+    @Override
+    public Boolean hasNextChunk() {
+      return mResult.isTruncated();
+    }
   }
 
   @Override