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From Caesar Samsi <caesarsa...@mac.com>
Subject ack with firstBadLink as 192.168.1.12:50010?
Date Thu, 04 Jun 2015 03:07:27 GMT
I've just built my distributed cluster but am getting the following error
when I try to use HDFS.

 

I've traced it by telnet to 192.168.1.12 50010 and it just waits there
waiting for a connection but never happens.

 

If I telnet on that host using localhost (127.0.0.1) the telnet connection
happens immediately.

 

What could be the cause?

 

>> 

 

hduser@hadoopmaster ~/hadoop $ hdfs dfs -copyFromLocal input input

15/06/03 20:03:36 INFO hdfs.DFSClient: Exception in createBlockOutputStream

java.io.IOException: Got error, status message , ack with firstBadLink as
192.168.1.12:50010

                at
org.apache.hadoop.hdfs.protocol.datatransfer.DataTransferProtoUtil.checkBloc
kOpStatus(DataTransferProtoUtil.java:140)

                at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.createBlockOutputStream(
DFSOutputStream.java:1334)

                at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DF
SOutputStream.java:1237)

                at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java
:449)

15/06/03 20:03:36 INFO hdfs.DFSClient: Abandoning
BP-101149352-192.168.1.10-1433386347922:blk_1073741829_1005

15/06/03 20:03:36 INFO hdfs.DFSClient: Excluding datanode
DatanodeInfoWithStorage[192.168.1.12:50010,DS-1347a6fe-6bad-4df8-88cb-21378b
847839,DISK]

15/06/03 20:03:36 WARN hdfs.DFSClient: Slow waitForAckedSeqno took 70947ms
(threshold=30000ms)


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