pom.xml: Unrecognised tag: 'plugin'

使用maven编译时报错pom.xml: Unrecognised tag: ‘plugin’，经查询，发现是plugin标签位置有问题，plugin需在build和plugins标签下才行

<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.walker</groupId>
  <artifactId>walker_03253</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  
  <!--maven打包插件-->
  <build>
  	<plugins>
  		<plugin>
		<groupId>org.apache.maven.plugins</groupId>
		<artifactId>maven-shade-plugin</artifactId>
		<version>1.4</version>
		<executions>
			<execution>
				<phase>package</phase>
				<goals>
					<goal>shade</goal>
				</goals>
			</execution>
		</executions>
	</plugin>
  	</plugins>
  </build>
	
  <dependencies>
	<!-- https://mvnrepository.com/artifact/org.apache.hbase/hbase-client -->
	<dependency>
	    <groupId>org.apache.hbase</groupId>
	    <artifactId>hbase-client</artifactId>
	    <version>1.2.6.1</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>
  	
  	<!-- https://mvnrepository.com/artifact/org.apache.hbase/hbase-server -->
	<dependency>
	    <groupId>org.apache.hbase</groupId>
	    <artifactId>hbase-server</artifactId>
	    <version>1.2.6.1</version>
	</dependency>
	
	

  </dependencies>
  
  
</project>