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