我試圖在Heroku上運行我的Spring Boot應(yīng)用程序。應(yīng)用程序正確啟動，但之后它會立即崩潰，并出現(xiàn)以下錯誤：2019-03-19T11:45:28.343758+00:00 app[web.1]: 2019-03-19 11:45:28.343  INFO 4 --- [           main] main.Application                         : Started Application in 23.503 seconds (JVM running for 24.505)2019-03-19T11:46:24.818535+00:00 heroku[router]: at=error code=H20 desc="App boot timeout" method=GET path="/api/ping/" host=fill-it.herokuapp.com request_id=b6fea897-b436-4918-bc6f-3cde7e4f94aa fwd="5.184.28.91" dyno= connect= service= status=503 bytes= protocol=https2019-03-19T11:46:32.330719+00:00 heroku[web.1]: State changed from starting to crashed2019-03-19T11:46:32.173577+00:00 heroku[web.1]: Error R10 (Boot timeout) -> Web process failed to bind to $PORT within 90 seconds of launch2019-03-19T11:46:32.173731+00:00 heroku[web.1]: Stopping process with SIGKILL2019-03-19T11:46:32.312711+00:00 heroku[web.1]: Process exited with status 1372019-03-19T11:46:32.734743+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=fill-it.herokuapp.com request_id=5802be29-5937-4d0f-93fb-7a01b4972d9e fwd="5.184.28.91" dyno= connect= service= status=503 bytes= protocol=https2019-03-19T11:46:33.049778+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/api/ping/" host=fill-it.herokuapp.com request_id=4c7eff04-ce3a-4a63-b7bf-312b44658e40 fwd="5.184.28.91" dyno= connect= service= status=503 bytes= protocol=https有人遇到類似的問題嗎？