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HBASE-26550 Make sure the master is running normally before accepting a balance command (#3928) 

Signed-off-by: Duo Zhang <zhangduo@apache.org>
This commit is contained in:
Josh Elser 2021-12-14 10:17:34 -05:00 committed by Duo Zhang
parent 79b2a4d06a
commit cb3155459f
1 changed files with 2 additions and 0 deletions
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hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
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@ -1827,6 +1827,8 @@ public class HMaster extends HRegionServer implements MasterServices {
}
public BalanceResponse balance(BalanceRequest request) throws IOException {
checkInitialized();
BalanceResponse.Builder responseBuilder = BalanceResponse.newBuilder();
if (loadBalancerTracker == null