windows下使用hdfs调试_win 调试 hadoop

配置环境变量HADOOP_HOME=hadoop安装解压目录

PATH=%HADOOP_HOME%\bin

hadoop的bin目录下放置winutils.exe和hadoop.dll 2个文件, 要不然报找不到 winutils.exe. 

2个文件下载地址.版本2.7.2 https://download.csdn.net/download/hyd19931002/15563574

以下为使用的pom.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.hyd.bigdata</groupId>
    <artifactId>mapreducePra</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <hdfs.version>2.7.2</hdfs.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.8.2</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.hadoop</groupId>
            <artifactId>hadoop-common</artifactId>
            <version>${hdfs.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apache.hadoop</groupId>
            <artifactId>hadoop-hdfs</artifactId>
            <version>${hdfs.version}</version>
        </dependency>
        <!-- mr程序需要引入依赖：-->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.8.2</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.hadoop</groupId>
            <artifactId>hadoop-common</artifactId>
            <version>${hdfs.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apache.hadoop</groupId>
            <artifactId>hadoop-mapreduce-client-core</artifactId>
            <version>${hdfs.version}</version>
        </dependency>
        <dependency>
             <groupId>org.apache.hadoop</groupId>
             <artifactId>hadoop-mapreduce-client-common</artifactId>
             <version>${hdfs.version}</version>
        </dependency>


        <dependency>
             <groupId>org.apache.hadoop</groupId>
             <artifactId>hadoop-mapreduce-client-jobclient</artifactId>
             <version>${hdfs.version}</version>
        </dependency>
    </dependencies>
</project>

配置log4j.properties文件, 默认加载次日志文件

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  
不配置 日志文件, 控制台无输出