title: <SpringBoot> Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled
body: <blockquote>
    <p>Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
    2019-12-28 09:49:48.561 ERROR 482 --- [           main] o.s.boot.SpringApplication               : Application run failed</p>
  </blockquote>
  
  <ol>
  <li><p>when I try to start server with command:</p>
  
  <pre><code>java -jar jin-alpha-1.0.jar
  </code></pre></li>
  </ol>
  
  <p>under AWS Ubuntu linux server.</p>
  
  <p>In case of trying to local start server was success.</p>
  
  <ol start="2">
  <li>The Changed port is suspicious the reason why before changed It work.
  I changed Server port from 8080 to 80.(The reason why AWS http allowed only 80 port)</li>
  </ol>
  
  <p>Local Case : The port of Tomcat server ==> 8080 and 80, Both of them are work. and Stared</p>
  
  <p>AWS Ubuntu : Start with 8080 is work but 80 is not work and Error displayed Above.</p>