Akira Ajisaka created HDFS-14550:
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Summary: RBF: Failed to get statistics from NameNodes before 2.9.0
Key: HDFS-14550
URL: https://issues.apache.org/jira/browse/HDFS-14550
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Akira Ajisaka
DFSRouter fails to get stats from NameNodes that do not have HDFS-7877
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2019-06-03 17:40:15,407 ERROR
org.apache.hadoop.hdfs.server.federation.router.NamenodeHeartbeatService:
Cannot get stat from nn1:nn01:8022 using JMX
org.codehaus.jettison.json.JSONException:
JSONObject["NumInMaintenanceLiveDataNodes"] not found.
at org.codehaus.jettison.json.JSONObject.get(JSONObject.java:360)
at org.codehaus.jettison.json.JSONObject.getInt(JSONObject.java:421)
at
org.apache.hadoop.hdfs.server.federation.router.NamenodeHeartbeatService.updateJMXParameters(NamenodeHeartbeatService.java:345)
at
org.apache.hadoop.hdfs.server.federation.router.NamenodeHeartbeatService.getNamenodeStatusReport(NamenodeHeartbeatService.java:278)
at
org.apache.hadoop.hdfs.server.federation.router.NamenodeHeartbeatService.updateState(NamenodeHeartbeatService.java:206)
at
org.apache.hadoop.hdfs.server.federation.router.NamenodeHeartbeatService.periodicInvoke(NamenodeHeartbeatService.java:160)
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)
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