title: Android Studio: InvalidVirtualFileAccessException trying to render an XML layout
body: <p>I'm trying to preview an xml layout (any xml layout) in my app.  I'm using Android Studio 1.5 Preview 2. I'm getting this error over and over:</p>
  
  <blockquote>
    <p>InvalidVirtualFileAccessException: Accessing invalid virtual file:
    file://D:/Scott/Android/Studio/MyApp/app/build/intermediates/classes/debug/com/scott/myapp/R$styleable.class;
    original:134487; found:-</p>
  </blockquote>
  
  <p>Details:</p>
  
  <pre><code>Accessing invalid virtual file: file://D:/Scott/Android/Studio/MyApp/app/build/intermediates/classes/debug/com/scott/myapp/R$styleable.class; original:134487; found:-
  com.intellij.openapi.vfs.InvalidVirtualFileAccessException: Accessing invalid virtual file: file://D:/Scott/Android/Studio/MyApp/app/build/intermediates/classes/debug/com/scott/myapp/R$styleable.class; original:134487; found:-
      at com.intellij.openapi.vfs.newvfs.persistent.PersistentFSImpl.getFileId(PersistentFSImpl.java:332)
      at com.intellij.openapi.vfs.newvfs.persistent.PersistentFSImpl.getTimeStamp(PersistentFSImpl.java:319)
      at com.intellij.openapi.vfs.newvfs.impl.VirtualFileSystemEntry.getTimeStamp(VirtualFileSystemEntry.java:228)
      at org.jetbrains.android.uipreview.ModuleClassLoader.isUpToDate(ModuleClassLoader.java:357)
      at org.jetbrains.android.uipreview.ModuleClassLoader.get(ModuleClassLoader.java:383)
      at org.jetbrains.android.uipreview.ViewLoader.getModuleClassLoader(ViewLoader.java:242)
      at org.jetbrains.android.uipreview.ViewLoader.loadAndParseRClass(ViewLoader.java:515)
      at org.jetbrains.android.uipreview.ViewLoader.loadAndParseRClassSilently(ViewLoader.java:495)
      at com.android.tools.idea.rendering.LayoutlibCallbackImpl.loadAndParseRClass(LayoutlibCallbackImpl.java:636)
      at com.android.tools.idea.rendering.RenderTask.&lt;init&gt;(RenderTask.java:153)
      at com.android.tools.idea.rendering.RenderService.createTask(RenderService.java:200)
      at org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager.doRender(AndroidLayoutPreviewToolWindowManager.java:649)
      at org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager.access$1700(AndroidLayoutPreviewToolWindowManager.java:80)
      at org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager$7$1.run(AndroidLayoutPreviewToolWindowManager.java:594)
      at com.intellij.openapi.progress.impl.CoreProgressManager$2.run(CoreProgressManager.java:152)
      at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:452)
      at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:402)
      at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:54)
      at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:137)
      at org.jetbrains.android.uipreview.AndroidLayoutPreviewToolWindowManager$7.run(AndroidLayoutPreviewToolWindowManager.java:589)
      at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:320)
      at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:310)
      at com.intellij.util.ui.update.MergingUpdateQueue$2.run(MergingUpdateQueue.java:254)
      at com.intellij.util.ui.update.MergingUpdateQueue.flush(MergingUpdateQueue.java:269)
      at com.intellij.util.ui.update.MergingUpdateQueue.flush(MergingUpdateQueue.java:227)
      at com.intellij.util.ui.update.MergingUpdateQueue.run(MergingUpdateQueue.java:217)
      at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238)
      at com.intellij.util.Alarm$Request$1.run(Alarm.java:351)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      at java.lang.Thread.run(Thread.java:744)
  </code></pre>
  
  <p>Anyone else have this error?</p>
  
  <p>Notes:</p>
  
  <ul>
  <li>This seems to be specific to this project, as I'm able to render xml layouts in another project using the same version</li>
  <li>I've tried ReBuilding the project, but it hasn't helped</li>
  </ul>