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Maven项目下update maven后Eclipse报错:java.lang.ClassNotFoundException: ContextLoaderL (2014-02-28 14:24:56)转载▼ 标签: 文化 分类: java 严重: Error configuring application listener of class org.springframework.web.context.ContextLoaderListener java.lang.ClassNotFoundException: org.springframework.web.context.Context ...

安装hive1..21

hive1.2.1 apache-hive-1.2.1-bin.tar.gz wget http://mirrors.cnnic.cn/apache/hive/hive-1.2.1/apache-hive-1.2.1-bin.tar.gz tar xzvf apache-hive-1.2.1-bin.tar.gz -C /home/pipstat/yarn/
[pipstat@PIPtest58 hadoop]$ sbin/start-all.sh This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh 16/03/15 20:10:15 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Starting namenodes on [press5.cn] pi ...
[pipstat@PIPtest58 hadoop]$ bin/hadoop jar share/hadoop/mapreduce/sources/hadoop-mapreduce-examples-2.5.2-sources.jar org.apache.hadoop.examples.WordCount input output 16/03/15 20:14:25 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes wh ...
package com.pip.data.hadoop.util.test; import java.io.File; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.conf.Configured; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; import org.apache.hadoop.mapred.JobConf; import org.apache.hadoop.util.Tool; i ...
1.hadoop默认编码上utf-8 2.如果输入文件如果是保存成utf-8格式,则wordcount.java程序中不需要转码,输出文件也是uft-8文件格式; 如果输出文件格式为其他格式,则在wordcount.java程序中需要对其转码,如果不转换编码,在程序打钱出输入文件内容时中文显示为乱码,转到GBK后,输出文件中的内容自动生成到输出文件时格式为utf-8. 3.在Xshell中查看输出文件时,使用命令/home/hadoop/hadoop/bin/hadoop fs -cat /wanghongen/demo/fileout/wordcount_out1/part-r-00000前, ...
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