HBASE-27068 NPE occurs when the active master has not yet been elected (#4474)

Signed-off-by: Pankaj Kumar <pankajkumar@apache.org>
Signed-off-by: Viraj Jasani<virajjasani@apache.org
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litao 2022-06-01 02:49:49 +08:00 committed by GitHub
parent 88d9c4bef4
commit d532135a26
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1 changed files with 3 additions and 2 deletions

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@ -24,12 +24,13 @@ java.util.*;
org.apache.hadoop.hbase.ServerName; org.apache.hadoop.hbase.ServerName;
org.apache.hadoop.hbase.ClusterMetrics; org.apache.hadoop.hbase.ClusterMetrics;
org.apache.hadoop.hbase.master.HMaster; org.apache.hadoop.hbase.master.HMaster;
org.apache.hbase.thirdparty.com.google.common.base.Preconditions;
</%import> </%import>
<%if (!master.isActiveMaster()) %> <%if (!master.isActiveMaster()) %>
<%java> <%java>
ServerName active_master = master.getActiveMaster().orElse(null); ServerName active_master = master.getActiveMaster().orElse(null);
assert active_master != null : "Failed to retrieve active master's ServerName!"; Preconditions.checkState(active_master != null, "Failed to retrieve active master's ServerName!");
int activeInfoPort = active_master == null ? 0 : master.getActiveMasterInfoPort(); int activeInfoPort = master.getActiveMasterInfoPort();
</%java> </%java>
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