[HADOOP-3033] Datanode fails write to DFS file with exception message "Trying to change block file offset"

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.16.1
• Fix Version/s: 0.16.2
• Assignee: Dhruba Borthakur
• Reporter: Dhruba Borthakur
• Created: 17/Mar/08 20:12
• Updated: 08/Jul/09 16:42
• Resolved: 19/Mar/08 06:03

Description

A write to a DFS block failed with the lastdatanode in the pipeline reporting this error:

Receiving block blk_-7279084187433655573 src: /xx.xx.xx.xx:xx dest: /xx.xx.xx.xx:50010
Changing block file offset of block blk_-7279084187433655573 from 9043968 to 9043968 meta file offset to 70663
Changing block file offset of block blk_-7279084187433655573 from 111935488 to 112001024 meta file offset to 875015
Exception in receiveBlock for block blk_-7279084187433655573 java.io.IOException: Trying to change block file offset of block blk_-7279084187433655573 to 112001024 but actual size of file is 111935488
PacketResponder 0 for block blk_-7279084187433655573 Interrupted.
PacketResponder 0 for block blk_-7279084187433655573 terminating
writeBlock blk_-7279084187433655573 received exception java.io.IOException: Trying to change block file offset of block blk_-7279084187433655573 to 112001024 but actual size of file is 111935488
DataXceiver: java.io.IOException: Trying to change block file offset of block blk_-7279084187433655573 to 112001024 but actual size of file is 111935488

Issue Links

• relates to: HADOOP-3132 DFS writes stuck occationally