[HDFS-15199] NPE in BlockSender

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.3.0, 3.1.4, 3.2.2
• Hadoop Flags: Reviewed
• Assignee: Ayush Saxena
• Reporter: Ayush Saxena
• Created: 28/Feb/20 07:00
• Updated: 28/Feb/20 18:30
• Resolved: 28/Feb/20 13:21

Description

java.lang.NullPointerException
	at org.apache.hadoop.hdfs.server.datanode.BlockSender.sendPacket(BlockSender.java:662)
	at org.apache.hadoop.hdfs.server.datanode.BlockSender.doSendBlock(BlockSender.java:819)
	at org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:766)
	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:607)
	at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:152)
	at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:104)
	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:290)
	at java.lang.Thread.run(Thread.java:748)
2020-02-28 11:49:13,357 [stripedRead-0] INFO  datanode.DataNode (StripedBlockReader.java:call(182)) - Premature EOF reading from org.apache.hadoop.net.SocketInputStream@8a99d11
2020-02-28 11:49:13,362 [ResponseProcessor for block BP-1162371257-10.19.127.112-1582870703783:blk_-9223372036854775774_1004] WARN  hdfs.DataStreamer (DataStreamer.java:run(1217)) - Exception for BP-1162371257-10.19.127.112-1582870703783:blk