HBASE-25332:fix One pontential NPE

Closes #2715 Signed-off-by: Viraj Jasani <vjasani@apache.org>
apache · Dec 1, 2020 · a1db679 · a1db679
1 parent 4c8fa47
commit a1db679
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManagerImpl.java b/hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManagerImpl.java
@@ -503,7 +503,7 @@ List<RSGroupInfo> retrieveGroupListFromZookeeper() throws IOException {
         }
         for (String znode : children) {
           byte[] data = ZKUtil.getData(watcher, ZNodePaths.joinZNode(groupBasePath, znode));
-          if (data.length > 0) {
+          if (data != null && data.length > 0) {
             ProtobufUtil.expectPBMagicPrefix(data);
             ByteArrayInputStream bis =
               new ByteArrayInputStream(data, ProtobufUtil.lengthOfPBMagic(), data.length);