我是一个初学者，使用python（3.8.5）创建了一个discord bot，我想添加listen music cog（使用lavalink），但是如何在heroku上同时运行lavalink.jar和main python bot main.py文件（我两个都运行得有点成功，但是bot没有运行）。我知道一些基本的java，但是如何创建pom.xml文件，以及如何配置system.properties文件(我从某处复制了pom.xml和system.properties文件）。
生成日志：-

-----> Java app detected

-----> Installing JDK 1.8... done

-----> Installing Maven 3.3.9... done

-----> Executing Maven

   $ mvn -DskipTests clean dependency:list install

   [INFO] Scanning for projects...

   [INFO]                                                                         

   [INFO] ------------------------------------------------------------------------

   [INFO] Building my-app 1

   [INFO] ------------------------------------------------------------------------

   [INFO] 

   [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ my-app ---

   [INFO] 

   [INFO] --- maven-dependency-plugin:2.8:list (default-cli) @ my-app ---

   [INFO] 

   [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ my-app ---

   [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!

   [INFO] skip non existing resourceDirectory /tmp/build_59dba250_/src/main/resources

   [INFO] 

   [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ my-app ---

   [INFO] No sources to compile

   [INFO] 

   [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ my-app ---

   [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!

   [INFO] skip non existing resourceDirectory /tmp/build_59dba250_/src/test/resources

   [INFO] 

   [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ my-app ---

   [INFO] No sources to compile

   [INFO] 

   [INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ my-app ---

   [INFO] Tests are skipped.

   [INFO] 

   [INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ my-app ---

   [WARNING] JAR will be empty - no content was marked for inclusion!

   [INFO] Building jar: /tmp/build_59dba250_/target/my-app-1.jar

   [INFO] 

   [INFO] --- maven-install-plugin:2.4:install (default-install) @ my-app ---

   [INFO] Installing /tmp/build_59dba250_/target/my-app-1.jar to /tmp/codon/tmp/cache/.m2/repository/com/javatpoint/application1/my-app/1/my-app-1.jar

   [INFO] Installing /tmp/build_59dba250_/pom.xml to /tmp/codon/tmp/cache/.m2/repository/com/javatpoint/application1/my-app/1/my-app-1.pom

   [INFO] ------------------------------------------------------------------------

   [INFO] BUILD SUCCESS

   [INFO] ------------------------------------------------------------------------

   [INFO] Total time: 2.625 s

   [INFO] Finished at: 2020-11-15T15:31:10+00:00

   [INFO] Final Memory: 16M/169M

   [INFO] ------------------------------------------------------------------------

-----> Python app detected

 !     Python has released a security update! Please consider upgrading to python-3.8.6

   Learn More: https://devcenter.heroku.com/articles/python-runtimes

-----> No change in requirements detected, installing from cache

-----> Installing pip 20.1.1, setuptools 47.1.1 and wheel 0.34.2

-----> Installing SQLite3

-----> Installing requirements with pip

-----> Discovering process types

       Procfile declares types -> web, worker

-----> Compressing...

       Done: 104M

-----> Launching...

       Released v4

       https://myapp.herokuapp.com/ deployed to Heroku

（web:java-jar-lavalink.jar）[日志]

2020-11-15T15:59:25.503902+00:00 heroku[web.1]: Starting process with command `: java -jar Lavalink.jar`

2020-11-15T15:59:28.149682+00:00 app[web.1]: Setting JAVA_TOOL_OPTIONS defaults based on dyno size. Custom settings will override them.

2020-11-15T15:59:28.211497+00:00 heroku[web.1]: Process exited with status 0

2020-11-15T15:59:28.262886+00:00 heroku[web.1]: State changed from starting to crashed

2020-11-15T15:59:28.270394+00:00 heroku[web.1]: State changed from crashed to starting

2020-11-15T15:59:34.193074+00:00 heroku[web.1]: Starting process with command `: java -jar Lavalink.jar`

2020-11-15T15:59:36.578486+00:00 app[web.1]: Setting JAVA_TOOL_OPTIONS defaults based on dyno size. Custom settings will override them.

2020-11-15T15:59:36.635011+00:00 heroku[web.1]: Process exited with status 0

2020-11-15T15:59:36.736294+00:00 heroku[web.1]: State changed from starting to crashed

（worker:python3 main.py）[日志]

2020-11-15T16:01:23.506594+00:00 heroku[worker.1]: Starting process with command `: python3 main.py`

2020-11-15T16:01:24.258915+00:00 heroku[worker.1]: State changed from starting to up

2020-11-15T16:01:26.704921+00:00 heroku[worker.1]: Process exited with status 0

2020-11-15T16:01:26.764810+00:00 heroku[worker.1]: State changed from up to crashed

2020-11-15T16:01:26.768535+00:00 heroku[worker.1]: State changed from crashed to starting

2020-11-15T16:01:32.979882+00:00 heroku[worker.1]: Starting process with command `: python3 main.py`

2020-11-15T16:01:33.662026+00:00 heroku[worker.1]: State changed from starting to up

2020-11-15T16:01:35.910408+00:00 heroku[worker.1]: Process exited with status 0

2020-11-15T16:01:36.011579+00:00 heroku[worker.1]: State changed from up to crashed