錯誤 R10（啟動超時）-> Web 進程未能在啟動 java 的 90 秒內綁定到 $PORT

Question

我將我的機器人的 .jar 文件上傳到 heroku，以防不和諧。 一切正常。 然后應用程序崩潰，一切都停止工作。

應用程序日志

heroku[web.1]: Starting process with command `java $JAVA_OPTS -jar target/DiscordBot-1.0-SNAPSHOT-jar-with-dependencies.jar -Dserver.port=43997`
app[web.1]: Setting JAVA_TOOL_OPTIONS defaults based on dyno size. Custom settings will override them.
app[web.1]: Picked up JAVA_TOOL_OPTIONS: -Xmx300m -Xss512k -XX:CICompilerCount=2 -Dfile.encoding=UTF-8 
app[web.1]: [main] INFO net.dv8tion.jda.api.JDA - Login Successful!
app[web.1]: [JDA MainWS-ReadThread] INFO net.dv8tion.jda.internal.requests.WebSocketClient - Connected to WebSocket
app[web.1]: [JDA MainWS-ReadThread] INFO net.dv8tion.jda.api.JDA - Finished Loading!
heroku[web.1]: Error R10 (Boot timeout) -> Web process failed to bind to $PORT within 90 seconds of launch
heroku[web.1]: Stopping process with SIGKILL
heroku[web.1]: Process exited with status 137

檔案

web: java $JAVA_OPTS -jar target/DiscordBot-1.0-SNAPSHOT-jar-with-dependencies.jar -Dserver.port=$PORT

應用程序屬性

server.port=${PORT:8080}

Answer 1

工人：java -jar 目標/DiscordBot-1.0-SNAPSHOT-jar-with-dependencies.jar

在 application.properties 中沒有server.port=${PORT:8080}