java—在部署spring引导应用程序时找不到该进程类型(web)

我有一个 spring boot 在本地工作的应用程序。我想部署在 heroku . 我按照这里的说明做了，但我发现它不起作用，我 "No web processes running" 错误。按照建议的解决办法，我试着 >heroku ps:scale web=1 我得到了 Couldn't find that process type 错误。然后，我尝试了以下命令：
heroku buildpacks:clear heroku buildpacks:add heroku/java git commit --allow-empty -m "Adjust buildpacks on Heroku" git push heroku master 但问题仍然存在。这是我的 pom.xml 如果有帮助：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.tests4geeks.tutorials</groupId>
    <artifactId>mongo-tutorial</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>

    <name>mongo-tutorial</name>
    <description>Demo project for Spring Boot</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.3.3.RELEASE</version>
        <relativePath />
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <java.version>1.8</java.version>
        <thymeleaf.version>3.0.11.RELEASE</thymeleaf.version>
    </properties>

    <dependencies>

     <dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-tomcat</artifactId>
  <scope>provided</scope>
 </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-mongodb</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-couchbase</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>

        <dependency>
            <groupId>nz.net.ultraq.thymeleaf</groupId>
            <artifactId>thymeleaf-layout-dialect</artifactId>
        </dependency>

        <dependency>
            <groupId>org.webjars</groupId>
            <artifactId>bootstrap</artifactId>
            <version>3.3.7</version>
        </dependency>

<dependency>
    <groupId>commons-net</groupId>
    <artifactId>commons-net</artifactId>
    <version>3.6</version>
</dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-validation</artifactId>
</dependency>

        <dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-mail</artifactId>
</dependency>

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-data-mongodb-reactive</artifactId>
</dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

的输出 build :

Enumerating objects: 277, done.
Counting objects: 100% (277/277), done.
Delta compression using up to 8 threads
Compressing objects: 100% (259/259), done.
Writing objects: 100% (277/277), 157.87 MiB | 1.29 MiB/s, done.
Total 277 (delta 22), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote:
remote: -----> Java app detected
remote: -----> Installing JDK 1.8... done
remote: -----> Installing Maven 3.6.2... done
remote: -----> Executing Maven
remote:        $ mvn -DskipTests clean dependency:list install
remote:        [INFO] Scanning for projects...
remote:        [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-starter-parent/2.3.3.RELEASE/spring-boot-starter-parent-2.3.3.RELEASE.pom
remote:        [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-starter-parent/2.3.3.RELEASE/spring-boot-starter-parent-2.3.3.RELEASE.pom (8.6 kB at 13 kB/s)
remote:        [INFO] Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-dependencies/2.3.3.RELEASE/spring-boot-dependencies-2.3.3.RELEASE.pom
remote:        [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-dependencies/2.3.3.RELEASE/spring-boot-dependencies-2.3.3.RELEASE.pom (122 kB at 1.4 MB/s)
remote:        [INFO] Downloading from central: https://repo.maven.apache.org/maven2/com/datastax/oss/java-driver-bom/4.6.1/java-driver-bom-4.6.1.pom
remote:        [INFO] Downloaded from central: https://repo.maven.apache.org/maven2/com/datastax/oss/java-driver-bom/4.6.1/java-driver-bom-4.6.1.pom (3.8 kB at 251 kB/s)

remote:        [INFO] Installing /tmp/build_84b248db/target/mongo-tutorial-0.0.1-SNAPSHOT.war to /tmp/codon/tmp/cache/.m2/repository/com/tests4geeks/tutorials/mongo-tutorial/0.0.1-SNAPSHOT/mongo-tutorial-0.0.1-SNAPSHOT.war
remote:        [INFO] Installing /tmp/build_84b248db/pom.xml to /tmp/codon/tmp/cache/.m2/repository/com/tests4geeks/tutorials/mongo-tutorial/0.0.1-SNAPSHOT/mongo-tutorial-0.0.1-SNAPSHOT.pom
remote:        [INFO] ------------------------------------------------------------------------
remote:        [INFO] BUILD SUCCESS
remote:        [INFO] ------------------------------------------------------------------------
remote:        [INFO] Total time:  26.956 s
remote:        [INFO] Finished at: 2020-12-26T20:53:46Z
remote:        [INFO] ------------------------------------------------------------------------
remote: -----> Discovering process types
remote:        Procfile declares types -> (none)
remote:
remote: -----> Compressing...
remote:        Done: 211.1M
remote: -----> Launching...
remote:        Released v3
remote:        https://hidden-coast-44319.herokuapp.com/ deployed to Heroku
remote:
remote: Verifying deploy... done.
To https://git.heroku.com/hidden-coast-44319.git
 * [new branch]      master -> master

java—在部署spring引导应用程序时找不到该进程类型(web)

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