[ https://issues.apache.org/jira/browse/HDFS-9124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lei (Eddy) Xu resolved HDFS-9124. --------------------------------- Resolution: Duplicate Fix Version/s: 2.7.4 It was fixed in HDFS-9574. > NullPointerException when underreplicated blocks are there > ---------------------------------------------------------- > > Key: HDFS-9124 > URL: https://issues.apache.org/jira/browse/HDFS-9124 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: 2.7.1 > Reporter: Syed Akram > Assignee: Syed Akram > Fix For: 2.7.4 > > > 2015-09-22 09:48:47,830 ERROR > org.apache.hadoop.hdfs.server.datanode.DataNode: dn1:50010:DataXceiver error > processing WRITE_BLOCK operation src: /dn1:42973 dst: /dn2:50010 > java.lang.NullPointerException > at > org.apache.hadoop.hdfs.server.datanode.BlockReceiver.<init>(BlockReceiver.java:186) > at > org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:677) > at > org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:137) > at > org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:74) > at > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:251) > at java.lang.Thread.run(Thread.java:744) -- This message was sent by Atlassian JIRA (v6.3.4#6332)