[INFO]
[INFO] --- spring-boot-maven-plugin:2.1.6.RELEASE:run (default-cli) @ app-parent ---
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for app-parent 0.0.1-SNAPSHOT:
[INFO]
[INFO] app-parent ......................................... FAILURE [ 14.889 s]
[INFO] web ................................................ SKIPPED
[INFO] server ............................................. SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 16.008 s
[INFO] Finished at: 2021-07-26T11:25:59-04:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.1.6.RELEASE:run (default-cli) on project app-parent: Unable to find a suitable main class, please add a 'mainClass' property -> [Help 1]
$mvn -version
Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
Maven home: /mnt/c/Software/apache-maven-3.6.3
Java version: 1.8.0_271, vendor: Oracle Corporation, runtime: /mnt/c/Software/jdk1.8.0_271_linux/jre
Default locale: en, platform encoding: UTF-8
OS name: "linux", version: "5.10.16.3-microsoft-standard-wsl2", arch: "amd64", family: "unix"
$java -version
java version "1.8.0_271"
Java(TM) SE Runtime Environment (build 1.8.0_271-b09)
Java HotSpot(TM) 64-Bit Server VM (build 25.271-b09, mixed mode)