maven clean后 编译报错

<plugins>

<plugin>

<artifactId>maven-compiler-plugin</artifactId>

<configuration>

<source>1.7</source>

<target>1.7</target>

<encoding>UTF-8</encoding>

</configuration>

</plugin>

</plugins>

如上配置依然解决不了则 吧原来报错的文件删除(先备份)重新复制一份即可解决