hadoop上传文件,个别节点没有上传备份成功且报错
19/05/18 11:33:33 INFO hdfs.DFSClient: Exception in createBlockOutputStream
java.io.IOException: Got error, status message , ack with firstBadLink as 192.168.19.15:50010
at org.apache.hadoop.hdfs.protocol.datatransfer.DataTransferProtoUtil.checkBlockOpStatus(DataTransferProtoUtil.java:140)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.createBlockOutputStream(DFSOutputStream.java:1363)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1266)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:449)
解决方法:
关闭防火墙:(CentOS6)
iptables -F
永久关闭防火墙:
chkconfig iptables off
禁用selinux:
setenforce 0
永久关闭selinux:
vi /etc/selinux/config文件
设置“SELINUX=disabled”