title: Jenkins throwing error: jenkins.model.InvalidBuildsDir: ${ITEM_ROOTDIR}/builds does not exist and probably cannot be created
body: <p>i updated Jenkins from apt command line on Ubuntu,i did sudo apt upgrade jenkins immediately after update i am getting this:</p>
  
  <pre><code>jenkins.model.InvalidBuildsDir: ${ITEM_ROOTDIR}/builds does not exist and 
  probably cannot be created
  at jenkins.model.Jenkins.checkRawBuildsDir(Jenkins.java:3085)
  at jenkins.model.Jenkins.loadConfig(Jenkins.java:3009)
  Caused: java.io.IOException
  at jenkins.model.Jenkins.loadConfig(Jenkins.java:3012)
  at jenkins.model.Jenkins.access$1200(Jenkins.java:304)
  at jenkins.model.Jenkins$14.run(Jenkins.java:3104)
  at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run 
  (TaskGraphBuilder.java:169)
  at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296)
  at jenkins.model.Jenkins$5.runTask(Jenkins.java:1068)
  at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214)
  at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
  at java.util.concurrent.ThreadPoolExecutor.runWorker
  (ThreadPoolExecutor.java:1149)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run
  (ThreadPoolExecutor.java:624)
  at java.lang.Thread.run(Thread.java:748)
  Caused: org.jvnet.hudson.reactor.ReactorException
  at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:282)
  at jenkins.InitReactorRunner.run(InitReactorRunner.java:48)
  at jenkins.model.Jenkins.executeReactor(Jenkins.java:1102)
  at jenkins.model.Jenkins.&lt;init&gt;(Jenkins.java:904)
  at hudson.model.Hudson.&lt;init&gt;(Hudson.java:85)
  at hudson.model.Hudson.&lt;init&gt;(Hudson.java:81)
  at hudson.WebAppMain$3.run(WebAppMain.java:233)
  Caused: hudson.util.HudsonFailedToLoad
  at hudson.WebAppMain$3.run(WebAppMain.java:250)
  </code></pre>