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 Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1

解决方案：

添加编译插件：

  <build>
      <plugins>
          <plugin>
              <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.2</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
          </plugin>
      </plugins>
  </build>

项目右键Maven update——》maven clean——》maven install 就成功了