Eli Collins created HDFS-4201:
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Summary: NPE in BPServiceActor#sendHeartBeat
Key: HDFS-4201
URL: https://issues.apache.org/jira/browse/HDFS-4201
Project: Hadoop HDFS
Issue Type: Bug
Components: name-node
Reporter: Eli Collins
Saw the following NPE in a log.
Think this is likely due to {{dn}} or {{dn.getFSDataset()}} being null, (not
{{bpRegistration}}) due to a configuration or local directory failure.
{code}
2012-09-25 04:33:20,782 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
For namenode svsrs00127/11.164.162.226:8020 using DELETEREPORT_INTERVAL of
300000 msec BLOCKREPORT_INTERVAL of 21600000msec Initial delay: 0msec;
heartBeatInterval=3000
2012-09-25 04:33:20,782 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode:
Exception in BPOfferService for Block pool
BP-1678908700-11.164.162.226-1342785481826 (storage id
DS-1031100678-11.164.162.251-5010-1341933415989) service to
svsrs00127/11.164.162.226:8020
java.lang.NullPointerException
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.sendHeartBeat(BPServiceActor.java:434)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:520)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:673)
at java.lang.Thread.run(Thread.java:722)
{code}
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