xuzq created HDFS-14704:
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Summary: RBF：NnId should not be null in NamenodeHeartbeatService
Key: HDFS-14704
URL: https://issues.apache.org/jira/browse/HDFS-14704
Project: Hadoop HDFS
Issue Type: Improvement
Components: rbf
Reporter: xuzq
NnId should not be null in NamenodeHeartbeatService.
If NnId is null, it will also print the error message like:
{code:java}
2019-08-06 10:38:07,455 ERROR router.NamenodeHeartbeatService
(NamenodeHeartbeatService.java:updateState(229)) - Unhandled exception updating
NN registration for ns1:null
java.lang.NullPointerException
at
org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos$NamenodeMembershipRecordProto$Builder.setServiceAddress(HdfsServerFederationProtos.java:3831)
at
org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.MembershipStatePBImpl.setServiceAddress(MembershipStatePBImpl.java:119)
at
org.apache.hadoop.hdfs.server.federation.store.records.MembershipState.newInstance(MembershipState.java:108)
at
org.apache.hadoop.hdfs.server.federation.resolver.MembershipNamenodeResolver.registerNamenode(MembershipNamenodeResolver.java:267)
at
org.apache.hadoop.hdfs.server.federation.router.NamenodeHeartbeatService.updateState(NamenodeHeartbeatService.java:223)
at
org.apache.hadoop.hdfs.server.federation.router.NamenodeHeartbeatService.periodicInvoke(NamenodeHeartbeatService.java:159)
at
org.apache.hadoop.hdfs.server.federation.router.PeriodicService$1.run(PeriodicService.java:178)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748){code}
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