hadoop jar hadoop-mapreduce-examples-2.7.3.jar pi 5 5 报错的解决方法

xxjhgc302 2018-06-23 09:17:30

[haogc@hadoop11master mapreduce]$ hadoop jar hadoop-mapreduce-examples-2.7.3.jar pi 5 5
Number of Maps = 5
Samples per Map = 5
18/06/23 20:50:51 INFO hdfs.DFSClient: Exception in createBlockOutputStream
java.io.IOException: Got error, status message , ack with firstBadLink as 192.168.2.201:50010
at org.apache.hadoop.hdfs.protocol.datatransfer.DataTransferProtoUtil.checkBlockOpStatus(DataTransferProtoUtil.java:140)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.createBlockOutputStream(DFSOutputStream.java:1359)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1262)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:448)
18/06/23 20:50:51 INFO hdfs.DFSClient: Abandoning BP-76969016-192.168.2.101-1529756078923:blk_1073741927_1103
18/06/23 20:50:51 INFO hdfs.DFSClient: Excluding datanode DatanodeInfoWithStorage[192.168.2.201:50010,DS-e08ff39b-530b-43a1-a981-1dc2739350b0,DISK]
Wrote input for Map #0

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五哥 2018-07-25

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192.168.2.201:50010
192.168.2.101
做防火墙策略
-A INPUT -s 192.168.2.0/24 -p tcp -m state --state NEW -m tcp --dport 50010 -j ACCEPT
对192.168.2网段的都开放

xxjhgc302 2018-06-23

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将master 上的和slave 所有节点上的防火墙都关闭了。
当然也可以做防火墙策略将端口开放

xxjhgc302 2018-06-23

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在自己环境中的根本解决方法如下是

关闭防火墙

执行命令
service iptables stop
验证 service iptables status

关闭防火墙的自动启动执行
执行命令 chkconfig iptables off
验证 chkconfig --list | grep iptables