Directory /usr/local/hadoop/tmp/dfs/name is in an inconsistent state: storage directory does not exist or is not accessible. 导致原因:很有可能是多次初始化名称节点,导致名称节点的映射发生变化 解决措施: 删除 hadoop目录下的 tmp文件夹后重新启动集群 如果还是没有用,建议检查与hdfs相关的配置文件core-si...
21:08:48,130 ERROR org.apache.hadoop.hdfs.server.namenode.FSNamesystem: FSNamesystem initialization failed. org.apache.hadoop.hdfs.server.common.InconsistentFSStateException: Directory /tmp/hadoop-sylar/dfs/name is in an inconsistent state: storage directory does not exist or is not accessible. a...
hadoop namenode不能启动 org.apache.hadoop.hdfs.server.common.InconsistentFSStateException: Directory /tmp/hadoop-javoft/dfs/name is in an inconsistent state: storage di rectory does not exist or is not accessible. 原因在于core-site.xml 你必须覆盖hadoop.tmp.dir为你自己的hadoop目录 ... hadoop.tm...
// check that the home setting is actually a directory that exists File homedir = new File(home);if (!homedir.isAbsolute() || !homedir.exists() || !homedir.isDirectory()) { throw new IOException("Hadoop home directory " + homedir + " does not exist, is not a directory, ...
bin目录下存放的是Hadoop相关的常用命令,比如操作HDFS的hdfs命令,以及hadoop、yarn等命令。 etc目录下存放的是Hadoop的配置文件,对HDFS、MapReduce、YARN以及集群节点列表的配置都在这个里面。 sbin目录下存放的是管理集群相关的命令,比如启动集群、启动HDFS、启动YARN、停止集群等的命令。
export PATH=$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$PATH 使环境变量生效。 代码语言:txt 复制 hadoop@node1:~$ source ~/.bashrc 配置Hadoop集群 Hadoop软件安装完成后,每个节点上的Hadoop都是独立的软件,需要进行配置才能组成Hadoop集群。Hadoop的配置文件在$HADOOP_HOME/etc/hadoop目录下,主要配置文件有6个: ...
bin/hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.2.jar wordcount cosn://example/mr/input cosn://example/mr/output3 执行成功会返回统计信息,示例如下: File System Counters COSN: Number of bytes read=72 COSN: Number of bytes written=40 COSN: Number of read operations=0 ...
出现java.io.FileNotFoundException异常 现象: 任务开始执行时,Driver端出现以下错误。 java.io.FileNotFoundException: /opt/huawei/Bigdata/FusionInsight/FusionInsight-Spark-1.5.0/spark/conf/log4j.properties (No such file or directory) at java.io.FileInputStream.open(Native Method) ...
从hdfs-site.xml文件中删除" file :“
If the destination directory does not exist then the source file or directory is copied under the new directory name. This function is equivalent to "hadoop fs -cp" shell command. Usage hdfs.cp(dfs.src, dfs.dst, overwrite = FALSE, force = FALSE) Arguments dfs.src dfs.dst overwrite force...