INFO org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration

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2012年2月15日记录显示，在Hadoop集群中，DataNode尝试将块blk_-2014515002112257683_78782从192.168.1.10转移至192.168.1.12和192.168.1.14时遇到Socket异常，导致连接被远程主机重置，传输失败。

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2012-02-15 23:56:39,566 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration(192.168.1.10:50010, storageID=DS-1805552415-192.168.1.10-50010-1328076157099, infoPort=50075, ipcPort=50020) Starting thread to transfer block blk_-2014515002112257683_78782 to 192.168.1.12:50010 192.168.1.14:50010
2012-02-15 23:56:39,568 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration(192.168.1.10:50010, storageID=DS-1805552415-192.168.1.10-50010-1328076157099, infoPort=50075, ipcPort=50020):Failed to transfer blk_-2014515002112257683_78782 to 192.168.1.12:50010 got java.net.SocketException: Original Exception : java.io.IOException: Connection reset by peer
at sun.nio.ch.FileChannelImpl.transferTo0(Native Method)
at sun.nio.ch.FileChannelImpl.transferToDirectly(FileChannelImpl.java:405)
at sun.nio.ch.FileChannelImpl.transferTo(FileChannelImpl.java:506)
at org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:199)
at org.apache.hadoop.hdfs.server.datanode.BlockSender.sendChunks(BlockSender.java:313)
at org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:400)
at org.apache.hadoop.hdfs.server.datanode.DataNode$DataTransfer.run(DataNode.java:1153)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.io.IOException: Connection reset by peer