提示在错误中- Hadoop home应该是绝对路径。export HADOOP_HOME=hadoop只是相对路径。您需要使其成为绝对...
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, or is not an absolute path.");} home = homedir.getCanonicalPath(...
" Error: HADOOP_HOME is not set correctly Please set your HADOOP_HOME variable to the absolute path of the directory that contains the hadoop distribution" Hadoop Location: D:\hadoop-2.8.0 env variables: HADOOP_HOME: D:\hadoop-2.8.0 ...
}//check that the home setting is actually a directory that existsFile homedir =newFile(home);if(!homedir.isAbsolute() || !homedir.exists() || !homedir.isDirectory()) { thrownew IOException("Hadoop home directory"+homedir+"does not exist, is not a directory, or is not an absolute pat...
If the value is an absolute path, it is directly assigned. Otherwise, it is prepended with task's working directory. The java tasks are executed with option -Djava.io.tmpdir='the absolute path of the tmp dir'. Pipes and streaming are set with environment variable, TMPDIR='the absolute pat...
显示是本机的linux用户ahadoop,不允许访问的异常 (org.apache.hadoop.security.authorize.AuthorizationException): User: ahadoop is not allowed to impersonate anonymous 这是由于hadoop 2.0以后引入了一个安全伪装机制,使得hadoop不允许上层系统(例如hive)直接将实际用户传递到hadoop层,而是将实际用户传递给一个超级代...
Hadoop 2.x (preferred), 1.x (not supported by Hive 2.0.0 onward). Hive versions up to 0.13 also supported Hadoop 0.20.x, 0.23.x. Hive is commonly used in production Linux and Windows environment. Mac is a commonly used development environment. The instructions in this document are applica...
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, or is not an absolute path."); } home = homedir.getCanonicalPath(...
修改所有节点上的$HADOOP_HOME/etc/hadoop/hadoop-env.sh文件,在靠近文件头部分加入:export JAVA_HOME=/data/jdk 特别说明一下:虽然在/etc/profile已经添加了JAVA_HOME,但仍然得修改所有节点上的hadoop-env.sh,否则启动时,报如下所示的错误: 10.12.154.79: Error: JAVA_HOME is not set and could not be fou...
(This feature is still experimental.) To create a folder of CSV files, first create an RxTextData object using a directory name as the file argument; this represents the folder in which to create the CSV files. This directory is created when you run the rxDataStep. Then, point to this...