HBASE-25332:fix One pontential NPE

Closes #2715 Signed-off-by: Viraj Jasani <vjasani@apache.org>
apache · Dec 1, 2020 · 8938b7a · 8938b7a
1 parent 86bb037
commit 8938b7a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManagerImpl.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManagerImpl.java
@@ -467,7 +467,7 @@ private 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);