Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile)

错误信息：

Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project space-search: Compilation failure

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project space-search: Compilation failure
[ERROR] /C:/Users/Administrator/Desktop/eclipse导出文件/test/space-search/src/main/java/com/space/search/dao/impl/SearchDaoImpl.java:[41,53] -source 1.5 中不支持 diamond 运算符
[ERROR] (请使用 -source 7 或更高版本以启用 diamond 运算符)
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

错误原因：

到的的原因很多，但是我的应该是属于那种版本的问题导致的

解决方法：如下图所示

在pom.xml文件中加入。。。我的，这样即可解决

			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.5.1</version>
				<configuration>
					<source>1.8</source>
					<target>1.8</target>
				</configuration>
			</plugin>