Hadoop的客户端配置

1.下载eclipse
2.下载与集群上版本号相同的hadoop压缩包
解压 然后配置环境变量
HADOOP_HOME 解压目录
Path中添加 %HADOOP_HOME%\bin
3.在eclipse中建立Maven项目打开pom.xml 引入如下依赖

<dependencies>
 <dependency>
 <groupId>junit</groupId>
 <artifactId>junit</artifactId>
 <version>RELEASE</version>
 </dependency>
 <dependency>
 <groupId>org.apache.logging.log4j</groupId>
 <artifactId>log4j-core</artifactId>
 <version>2.8.2</version>
 </dependency>
 <dependency>
 <groupId>org.apache.hadoop</groupId>
 <artifactId>hadoop-common</artifactId>
 <version>2.9.2</version>
 </dependency>
 <dependency>
 <groupId>org.apache.hadoop</groupId>
 <artifactId>hadoop-client</artifactId>
 <version>2.9.2</version>
 </dependency>
 <dependency>
 <groupId>org.apache.hadoop</groupId>
 <artifactId>hadoop-hdfs</artifactId>
 <version>2.9.2</version>
 </dependency>
</dependencies>

log4j.rootLogger=INFO, stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - %m%n
log4j.appender.logfile=org.apache.log4j.FileAppender
log4j.appender.logfile.File=target/spring.log
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=%d %p [%c] - %m%n