执行./stop-dfs.sh后,关闭hdfs,重新启动,结果跟上面一样,仍然是DataNode 没有启动。 再三折腾,删除掉存放数据的临时文件tmp,重新格式化Hadoop,格式化成功。 Hadoop格式化结果 查看日志,发现有个明显的报错日志: ssh: Could not resolve hostname localhost: nodename nor servname provided, or not known 看来跟本...
logging to/home/hadoop/app/hadoop-2.6.0-cdh5.15.1/logs/hadoop-hadoop-datanode-hadoop001.outStartingsecondary namenodes[0.0.0.0]0.0.0.0:secondarynamenode runningasprocess5880.Stopit first.[hadoop@hadoop001 sbin]$ jps2770ResourceManager2883
2018-11-2302:16:42,613INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Starting BPOfferServicesfornameservices: <default> 2018-11-2302:16:42,645INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Block pool <registering> (Datanode Uuid unassigned) service to node1/127.0.0.1:9000starting ...
一、问题描述 当我多次格式化文件系统时,如 [root@master]# cd /usr/local/hadoop/etc/bin/hdfs namenode -format 会出现datanode无法启动,查看日志(/usr/local/hadoop/logs/hadoop-hadoop-datanode-xsh.log),发现错误为: 2018-05-15 21:22:14,616 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: In...
[root@hadoopcurrent]#hadoop-daemon.sh start datanodestarting datanode, logging to /usr/local/hadoop1.1/libexec/../logs/hadoop-root-datanode-hadoop.out [root@hadoop ~]#jps jps命令发现没有datanode启动,所以去它提示的路径下查看了hadoop-root-datanode-hadoop.out文件,可以是空白的。
datanode节点关机 hadoop 重启 需要手动启动hadoop 启动关闭hadoop的命令,文章目录Hadoop的服务开启与关闭1、开启关闭所有服务(不推荐)1.命令使用2.start-all.sh脚本3.stop-all.sh2、开启Hadoop所有服务★★★1.命令使用2.start-dfs.sh3.start-yarn.sh3、关闭Hadoop所有
hadoop001: starting namenode, logging to /home/hadoop/app/hadoop-2.6.0-cdh5.7.0/logs/hadoop-hadoop-namenode-hadoop001.out hadoop001: starting datanode, logging to /home/hadoop/app/hadoop-2.6.0-cdh5.7.0/logs/hadoop-hadoop-datanode-hadoop001.out ...
[root@hadoop2 hadoop-3.2.1]# hdfs --daemon start datanode [root@hadoop2 hadoop-3.2.1]# jps 4064 Jps 4033 DataNode 2922 ResourceManager ''' 三、使用root配置的hadoop并启动会出现报错 错误: Starting namenodes on [master] ERROR: Attempting to operate on hdfs namenode as root ...
三.java.lang.RuntimeException: Cannot start secure DataNode without configuring either privileged resources or SASL RPC data transfer protection and SSL for HTTP. Using privileged resources in combination with SASL RPC data transfer protection is not supported. ...
basedfederationecrunaHDFSErasureCodingCLIfsckrunaDFSfilesystemcheckingutilityhaadminrunaDFSHAadminclientjmxgetgetJMXexportedvaluesfromNameNodeorDataNode.oevapplytheofflineeditsviewertoaneditsfileoivapplytheofflinefsimageviewertoanfsimageoiv_legacyapplytheofflinefsimageviewertoalegacyfsimagestoragepolicieslist/get/set/...