1.在IDEA pom.xml 中添加
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin </artifactId>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<archive>
<manifest>
<mainClass>com.yy.mr.wordcount.WordcountDriver</mainClass>
</manifest>
</archive>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
注意:代碼中mainClass需要根據打包的具體類修改
2.在IDEA右側欄中選擇Maven Projects,打開Lifecycle文件夾,先點擊compile再點擊package,等待jar包完成。
jar包打完之后打開左側target文件夾,發現有兩個jar包,把無依賴的jar包復制到虛擬機的hadoop文件夾下
3.在虛擬機hadoop文件夾下輸入
hadoop far +jar包名稱 +mainClass + 輸入路徑 + 輸出路徑
4.打開50070端口,在輸出路徑下載結果,成功
