JavaSpringMVC本地主机工作应用程序在Heroku部署后返回错误404
我正在构建一个SpringMVC应用程序，它在本地主机上运行得非常好。我想看到它托管在Heroku上，所以我部署了它，一切都很成功
部署进行得很顺利，但现在当我尝试访问该网站时，总是出现错误404，我不确定为什么会发生这种情况
这是我的pom。xml:
<?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>slupov</groupId>
<artifactId>slupov-personal</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<java.version>1.8</java.version>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.3</version>
<executions>
<execution>
<phase>package</phase>
<goals><goal>copy</goal></goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>com.github.jsimone</groupId>
<artifactId>webapp-runner</artifactId>
<version>9.0.27.0</version>
<destFileName>webapp-runner.jar</destFileName>
</artifactItem>
</artifactItems>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<!-- Spring Boot dependency-->
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.9.RELEASE</version>
</parent>
<dependencies>
<!-- Thymeleaf dependency-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!-- Spring Boot starter web dependency-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- Spring dev tools-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>
</dependencies>
</project>
现在，您可以在https://slupov-personal.herokuapp.com/或https://slupov.com上访问它
如果有人伸出援手，我会非常感激的，因为这是我第一次和Spring和Heroku在一起，我真的不知道自己该如何处理这个问题
编辑：以下是Heroku日志：
2019-10-15T14:28:38.526201+00:00 heroku[web.1]: Starting process with command
java $JAVA_OPTS -jar target/dependency/webapp-runner.jar --port 37873 target/*.war2019-10-15T14:28:40.091613+00:00 app[web.1]: Setting JAVA_TOOL_OPTIONS defaults based on dyno size. Custom settings will override them. 2019-10-15T14:28:40.09589+00:00 app[web.1]: Picked up JAVA_TOOL_OPTIONS: -Xmx300m -Xss512k -XX:CICompilerCount=2 -Dfile.encoding=UTF-8 2019-10-15T14:28:40.760384+00:00 app[web.1]: Expanding slupov-personal-1.0-SNAPSHOT.war into /app/target/tomcat.37873/webapps/expanded 2019-10-15T14:28:40.760455+00:00 app[web.1]: Adding Context for /app/target/tomcat.37873/webapps/expanded 2019-10-15T14:28:41.25762+00:00 app[web.1]: Oct 15, 2019 2:28:41 PM org.apache.coyote.AbstractProtocol init 2019-10-15T14:28:41.257634+00:00 app[web.1]: INFO: Initializing ProtocolHandler ["http-nio-37873"] 2019-10-15T14:28:41.30395+00:00 app[web.1]: Oct 15, 2019 2:28:41 PM org.apache.catalina.core.StandardService startInternal 2019-10-15T14:28:41.303953+00:00 app[web.1]: INFO: Starting service [Tomcat] 2019-10-15T14:28:41.305846+00:00 app[web.1]: Oct 15, 2019 2:28:41 PM org.apache.catalina.core.StandardEngine startInternal 2019-10-15T14:28:41.305848+00:00 app[web.1]: INFO: Starting Servlet engine: [Apache Tomcat/9.0.27] 2019-10-15T14:28:41.732349+00:00 heroku[web.1]: State changed from starting to up 2019-10-15T14:28:41.514987+00:00 app[web.1]: Oct 15, 2019 2:28:41 PM org.apache.catalina.startup.ContextConfig getDefaultWebXmlFragment 2019-10-15T14:28:41.514996+00:00 app[web.1]: INFO: No global web.xml found 2019-10-15T14:28:43.417841+00:00 heroku[web.1]: source=web.1 dyno=heroku.149646462.7ddc0379-5dd4-4b99-9ce3-6fa4415e6836 sample#memory_total=182.68MB sample#memory_rss=160.79MB sample#memory_cache=21.89MB sample#memory_swap=0.00MB sample#memory_pgpgin=49361pages sample#memory_pgpgout=3106pages sample#memory_quota=512.00MB 2019-10-15T14:28:45.696204+00:00 app[web.1]: Oct 15, 2019 2:28:45 PM org.apache.catalina.core.ApplicationContext log 2019-10-15T14:28:45.696217+00:00 app[web.1]: INFO: 1 Spring WebApplicationInitializers detected on classpath 2019-10-15T14:28:45.956951+00:00 app[web.1]: Oct 15, 2019 2:28:45 PM org.apache.jasper.servlet.TldScanner scanJars 2019-10-15T14:28:45.956976+00:00 app[web.1]: INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. 2019-10-15T14:28:46.038714+00:00 app[web.1]: Oct 15, 2019 2:28:46 PM org.apache.coyote.AbstractProtocol start 2019-10-15T14:28:46.038718+00:00 app[web.1]: INFO: Starting ProtocolHandler ["http-nio-37873"] 2019-10-15T14:29:04.546619+00:00 heroku[web.1]: source=web.1 dyno=heroku.149646462.7ddc0379-5dd4-4b99-9ce3-6fa4415e6836 sample#memory_total=226.06MB sample#memory_rss=204.18MB sample#memory_cache=21.89MB sample#memory_swap=0.00MB sample#memory_pgpgin=67528pages sample#memory_pgpgout=10167pages sample#memory_quota=512.00MB 2019-10-15T14:29:16.015657+00:00 heroku[router]: at=info method=GET path="/" host=slupov-personal.herokuapp.com request_id=e2a97f5d-582d-4880-b26d-f033bf54c29d fwd="87.116.88.98" dyno=web.1 connect=1ms service=57ms status=404 bytes=1230 protocol=https 2019-10-15T14:29:26.035499+00:00 heroku[web.1]: source=web.1 dyno=heroku.149646462.7ddc0379-5dd4-4b99-9ce3-6fa4415e6836 sample#load_avg_1m=0.98 2019-10-15T14:29:26.054298+00:00 heroku[web.1]: source=web.1 dyno=heroku.149646462.7ddc0379-5dd4-4b99-9ce3-6fa4415e6836 sample#memory_total=226.78MB sample#memory_rss=204.89MB sample#memory_cache=21.89MB sample#memory_swap=0.00MB sample#memory_pgpgin=67711pages sample#memory_pgpgout=10167pages sample#memory_quota=512.00MB
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