HBASE-26550 Make sure the master is running normally before accepting…

… a balance command (#3928) Signed-off-by: Duo Zhang <[email protected]>
apache · Dec 14, 2021 · cb31554 · cb31554
1 parent 79b2a4d
commit cb31554
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
@@ -1827,6 +1827,8 @@ public boolean skipRegionManagementAction(final String action) {
   }
 
   public BalanceResponse balance(BalanceRequest request) throws IOException {
+    checkInitialized();
+
     BalanceResponse.Builder responseBuilder = BalanceResponse.newBuilder();
 
     if (loadBalancerTracker == null