HBASE-26688 Threads shared EMPTY_RESULT may lead to unexpected client…

… job down. (#4048) Signed-off-by: Duo Zhang <[email protected]>
apache · Jan 25, 2022 · fbd22f0 · fbd22f0
1 parent a02324f
commit fbd22f0
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Result.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/Result.java
@@ -913,16 +913,19 @@ public CellScanner cellScanner() {
 
   @Override
   public Cell current() {
-    if (cells == null
+    if (isEmpty()
             || cellScannerIndex == INITIAL_CELLSCANNER_INDEX
-            || cellScannerIndex >= cells.length)
+            || cellScannerIndex >= cells.length) {
       return null;
+    }
     return this.cells[cellScannerIndex];
   }
 
   @Override
   public boolean advance() {
-    if (cells == null) return false;
+    if (isEmpty()) {
+      return false;
+    }
     cellScannerIndex++;
     if (cellScannerIndex < this.cells.length) {
       return true;