maven 编译时提示 错误: 编码utf-8的不可映射字符

Question

Answer 1

提问者 qq_椭圆的南瓜_03336888 2019-02-22 08:41:33

图片贴上来有问题，我就复制错误提示吧

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile) on project mmall: Compilation failure: Compilation failure:

[ERROR] \mmooc\src\main\java\com\mmall\dao\UserMapper.java:[18,6] 错误: 编码utf-8的不可映射字符

pom.xml中已加

<plugin>
 <groupId>org.apache.maven.plugins</groupId>
 <artifactId>maven-compiler-plugin</artifactId>
 <configuration>
   <source>1.7</source>
   <target>1.7</target>
   <encoding>utf-8</encoding>
   <compilerArguments>
     <extdirs>${project.basedir}/src/main/webapp/WEB-INF/lib</extdirs>
   </compilerArguments>
 </configuration>
</plugin>