4.創(chuàng)建一個maven工程HDFS ClientDemo
file->new->project->Maven->Maven Project
5.導入相應坐標+日志添加
<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>2.7.2</version>
?? ?? </dependency>
????? <dependency>
????????? <groupId>org.apache.hadoop</groupId>
????????? <artifactId>hadoop-client</artifactId>
????????? <version>2.7.2</version>
????? </dependency>
????? <dependency>
????????? <groupId>org.apache.hadoop</groupId>
????????? <artifactId>hadoop-hdfs</artifactId>
????????? <version>2.7.2</version>
????? </dependency>
????? <dependency>
????????? <groupId>jdk.tools</groupId>
????????? <artifactId>jdk.tools</artifactId>
????????? <version>1.8</version>
????????? <scope>system</scope>
????????? <systemPath>${JAVA_HOME}/lib/tools.jar</systemPath>
????? </dependency>
</dependencies> <dependencies>
????? <dependency>
????????? <groupId>junit</groupId>
????????? <artifactId>junit</artifactId>
????????? <version>RELEASE</version>
????? </dependency>
????? <dependency>
????????? <groupId>org.apache.logging.log4j</groupId>
????????? <artifactId>log4j-core</artifactId>
????????? <version>2.8.2</version>
????? </dependency>
????? <dependency>
????????? <groupId>org.apache.hadoop</groupId>
????????? <artifactId>hadoop-common</artifactId>
????????? <version>2.7.2</version>
?? ?? </dependency>
????? <dependency>
????????? <groupId>org.apache.hadoop</groupId>
????????? <artifactId>hadoop-client</artifactId>
????????? <version>2.7.2</version>
????? </dependency>
????? <dependency>
????????? <groupId>org.apache.hadoop</groupId>
????????? <artifactId>hadoop-hdfs</artifactId>
????????? <version>2.7.2</version>
????? </dependency>
????? <dependency>
????????? <groupId>jdk.tools</groupId>
????????? <artifactId>jdk.tools</artifactId>
????????? <version>1.8</version>
????????? <scope>system</scope>
????????? <systemPath>${JAVA_HOME}/lib/tools.jar</systemPath>
????? </dependency> <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>2.7.2</version>
?? ?? </dependency>
????? <dependency>
????????? <groupId>org.apache.hadoop</groupId>
????????? <artifactId>hadoop-client</artifactId>
????????? <version>2.7.2</version>
????? </dependency>
????? <dependency>
????????? <groupId>org.apache.hadoop</groupId>
????????? <artifactId>hadoop-hdfs</artifactId>
????????? <version>2.7.2</version>
????? </dependency>
????? <dependency>
????????? <groupId>jdk.tools</groupId>
????????? <artifactId>jdk.tools</artifactId>
????????? <version>1.8</version>
????????? <scope>system</scope>
????????? <systemPath>${JAVA_HOME}/lib/tools.jar</systemPath>
????? </dependency>
</dependencies>
</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.logfilefile=org.apache.log4j.FileAppender
log4j.appender.logefile.File=target/spring.log
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=%d %p [%c] -%m%n