Deploy Springboot Webserivce Heroku. ERROR [Unable to access jarfile server.port] when config Dyno formation

Question

I am Trying to deploy a Spring Boot Web service. Firstly I met No Web Process Running and i resolved It By adding Procfile and It's worked nomarlly until i deployed newest code. I didn't change any thing in pom.xml file and Profile, It's still work in local. This is my heroku Log error: Profile: web: java -jar $JAVA_OPTS -D server.port=$PORT target/SWDProject-0.2.jar pom.xml:

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.2.1.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>swd</groupId>
<artifactId>SWDProject</artifactId>
<version>0.2</version>
<name>SWDProject</name>
<description>Demo project for Spring Boot</description>

<properties>
    <java.version>1.8</java.version>
</properties>

Hope you guys can help. Thanks for reading.

Answer 1

Removing the blank space before system property server.port should fix this issue.

So instead -D server.port=$PORT use -Dserver.port=$PORT .