Amend HDFS-2948. NN throws NPE during shutdown if it fails to startup
Previous patch missed the case where the NN fails to start up when it's starting in standby state. git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1244813 13f79535-47bb-0310-9956-ffa450edef68
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@ -995,7 +995,9 @@ public class NameNode {
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@Override
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public void stopStandbyServices() throws IOException {
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// TODO(HA): Are we guaranteed to be the only active here?
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namesystem.stopStandbyServices();
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if (namesystem != null) {
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namesystem.stopStandbyServices();
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}
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}
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@Override
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