Hadoop完全分布式环境下,上传文件到hdfs上时报错: // :: WARN hdfs.DFSClient: DataStreamer Exception org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /wc_input/file1.txt._COPYING_ could only be replicated to 0 nodes instead of minReplication (=1). There a
如果datanode连接不上namenode,导致datanode无法启动. 问题: ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException: Call to ... failed on local exception: java.net.NoRouteToHostException: No route to host 原因:没关闭防火墙 操作:root 权限敲入命令 chkconfig --leve
datanode无法连接到namenode namenode在清空hadoop.tmp.dir和namenode.dir文件夹重新格式化后,datanode还是无法连接到namenode并报错: hdfs.server.datanode.DataNode: Problem connecting to server: ligfoo/192.168.80.11:9000
安装zookeeper-3.3.2的时候,启动正常没报错,但zkServer.sh status查看状态的时候却出现错误,如下: JMX enabled by defaultUsing config: /hadoop/zookeeper/bin/../conf/zoo.cfgError contacting service. It is probably not running. jps查看进程,却发现进程已启动 7313 QuorumPeerMain 在网上查阅资料一共有三种解决方法: 1,