title: Cannot resolve symbol String in Intellij Idea - Quarkus project
body: <p>I tried using both gradle and maven. This issue is coming with both. I have also tried invalidating caches but no luck. 
  When I run project using <code>./gradlew quarkusDev</code> it runs without error.</p>
  
  <p>I have created project using code.quarkus.io and then imported in Intellij Idea 2020.1.1.</p>
  
  <p>using openJDK 11</p>
  
  <p>gradle.properties:</p>
  
  <ul>
  <li>quarkusPluginVersion=1.4.2.Final</li>
  <li>quarkusPlatformArtifactId=quarkus-universe-bom</li>
  <li>quarkusPlatformGroupId=io.quarkus</li>
  <li>quarkusPlatformVersion=1.4.2.Final</li>
  </ul>
  
  <p><a href="https://i.stack.imgur.com/mWhd4.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/mWhd4.png" alt="enter image description here"></a></p>
  
  <p>Edit:
  please tell something other than invalidate/restart, deleting iml files, setting JDK version in project structure. I have already tried these steps.</p>
  
  <p>Edit 2:
  There seems to be some problem with jdk 11 version that comes with intellij Idea 20 snap in my case. After downloading openJDK 11 separately and pointing to it from project structure. My problem was solved.</p>