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Posted to mapreduce-user@hadoop.apache.org by "yingnan.ma" <yi...@ipinyou.com> on 2014/03/19 08:28:20 UTC

need some help about usage of hadoop

Recently, I always encounter a problem as following:

java.io.IOException: Bad connect ack with firstBadLink as 192.168.144.161:50010
        at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.createBlockOutputStream(DFSClient.java:3139)
        at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:3055)
        at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$1900(DFSClient.java:2305)
        at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2500)

and who can help me to address it?

and sometimes I got some error as following:

org.apache.hadoop.hdfs.DFSClient - Abandoning block blk_-2417465424319358936_104560494 




Overall, I doubt that it work not well because the pressure of the node or the network problem.

So, If you encounter them and solved them , please give me some help, Thank you so much.

Best Regards

Malone