title: Errors in a log file in eclipse
body: <p>Please see my previous question:</p>
  
  <p><a href="https://stackoverflow.com/questions/13909468/eclipse-is-not-working-after-download">Eclipse is not working after download</a></p>
  
  <p>I deleted the config folder, and when I pressed the eclipse is a new create a new and different problem:</p>
  
  <p>On the log file appears the problem this way:</p>
  
  <pre><code>!ENTRY org.eclipse.osgi 4 0 2012-12-17 10:27:25.247
  !MESSAGE Application error
  !STACK 1
  java.lang.IllegalStateException: Unable to acquire application service. Ensure that the org.eclipse.core.runtime bundle is resolved and started (see config.ini).
      at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:74)
      at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353)
      at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
      at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
      at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
  </code></pre>
  
  <p>What is this problem?</p>