linux日志文件在哪 大数据集群常见问题总结(3)

> INFO hdfs.DFSClient: Exception in createBlockOutputStream java.io.IOException:

Bad connect ack with firstBadLink 192.168.1.16:50010

> INFO hdfs.DFSClient: Abandoning block blk_-2932256218448902464_1001

> INFO hdfs.DFSClient: Exception in createBlockOutputStream java.io.IOException:

Bad connect ack with firstBadLink 192.168.1.11:50010

> INFO hdfs.DFSClient: Abandoning block blk_-1014449966480421244_1001号的

> INFO hdfs.DFSClient: Exception in createBlockOutputStream java.io.IOException:

Bad connect ack with firstBadLink 192.168.1.16:50010

> INFO hdfs.DFSClient: Abandoning block blk_7193173823538206978_1001

> WARN hdfs.DFSClient: DataStreamer Exception: java.io.IOException: Unable

to create new block.

at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2731)

>at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:1996

at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2182)

> WARN hdfs.DFSClient: Error Recovery for block blk_7193173823538206978_1001

bad datanode[2] nodes == null

> WARN hdfs.DFSClient: Could not get block locations. Source file "/user/umer/8GB_input"

- Aborting...

> put: Bad connect ack with firstBadLink 192.168.1.16:50010

解决方法：

1) ‘/etc/init.d/iptables stop‘ -->stopped firewall

2) SELINUX=disabled in ‘/etc/selinux/config‘ file.-->disabled selinux

11．某次正常运行mapreduce实例时,抛出错误

java.io.IOException: All datanodes xxx.xxx.xxx.xxx:xxx are bad. Aborting…

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