嗨,当我尝试在hadoop上执行-copyfromlocal命令时,出现了以下错误。有人能帮忙提出解决这个问题的办法吗?
hadoop dfs -copyFromLocal /tmp/AReport.txt /user/
13/09/24 19:42:38 WARN hdfs.DFSClient: DataStreamer Exception: org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /user/AReport.txt could only be replicated to 0 nodes, instead of 1
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1417)
at org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:596)
at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:523)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1383)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1379)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1377)
这是报告的细节。
$HADOOP_HOME/bin/hadoop dfsadmin -report
Configured Capacity: 0 (0 KB)
Present Capacity: 0 (0 KB)
DFS Remaining: 0 (0 KB)
DFS Used: 0 (0 KB)
DFS Used%: ?%
Under replicated blocks: 0
Blocks with corrupt replicas: 0
Missing blocks: 0
-------------------------------------------------
Datanodes available: 0 (0 total, 0 dead)
2条答案
按热度按时间mrfwxfqh1#
能找到解决问题的办法。。
所有的数据节点都坏了。删除节点上的tmp文件给出了解决方案。。
ws51t4hk2#
使用
hadoop datanode -start
或者hadoop datanode -rollback