Spring Boot 构建正常，但 Heroku 部署失败

我已经广泛查找了这个问题，但没有找到有用的答案。我正在尝试使用 Heroku部署此 API。这是一个预先存在的 GitHub 存储库，我遵循了 Heroku 的开发中心指南。我尝试通过 Git 和 Heroku Maven 插件进行部署，结果是一样的：我可以在本地构建它，一切都很好，但是当我 cd 到~/workspace/API/myapi/并尝试将它推送到 Heroku 时，git push heroku main:main我得到：

Enumerating objects: 237, done.
Counting objects: 100% (237/237), done.
Delta compression using up to 4 threads
Compressing objects: 100% (179/179), done.
Writing objects: 100% (237/237), 91.06 KiB | 4.14 MiB/s, done.
Total 237 (delta 61), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote: 
remote: -----> Java app detected
remote: -----> Installing JDK 11... done
remote: -----> Executing Maven
remote:        $ ./mvnw -DskipTests clean dependency:list install
remote: ./mvnw: 219: ./mvnw: cannot open /tmp/build_f4dfb6d1/API/myapi/.mvn/wrapper/maven-wrapper.properties: No such file
remote: /tmp/build_f4dfb6d1/API/myapi/.mvn/wrapper/maven-wrapper.jar: No such file or directory
remote: Error: Could not find or load main class org.apache.maven.wrapper.MavenWrapperMain
remote: Caused by: java.lang.ClassNotFoundException: org.apache.maven.wrapper.MavenWrapperMain
remote: 
remote:  !     ERROR: Failed to build app with Maven
remote:        We're sorry this build is failing! If you can't find the issue in application code,
remote:        please submit a ticket so we can help: https://help.heroku.com/
remote: 
remote:  !     Push rejected, failed to compile Java app.
remote: 
remote:  !     Push failed
remote: Verifying deploy...
remote: 
remote: !       Push rejected to myapiheroku.
remote: 
To https://git.heroku.com/cashonlineheroku.git
 ! [remote rejected] main -> main (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/myapiheroku.git'

• /home/myuser/workspace/API/myapi/.mvn/wrapper/包含文件maven-wrapper.jar,maven-wrapper.properties和MavenWrapperDownloader.java.
• /home/myuser/workspace/API/myapi/system.properties指定
  java.runtime.version=11.
• /home/myuser/.m2/repository/ar/com/api/myapi/包含
  myapi.0.0.1-SNAPSHOT.jar.
• 您可以在上面链接的存储库中找到pom.xml、application.properties等。

我错过了什么？如果您需要其他信息，请告诉我。提前致谢！