title: Unable to open STS IDE
body: <p>Not sure what has happened with my system now, once I have reboot my windows laptop then after I am unable to open STS than.</p>
  
  <p>It is showing error -</p>
  
  <p><a href="https://i.stack.imgur.com/DZ4wH.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/DZ4wH.png" alt="enter image description here"></a></p>
  
  <p>above log has following contain :</p>
  
  <blockquote>
    <blockquote>
      <p>!SESSION 2017-05-14 21:00:11.181 ----------------------------------------------- eclipse.buildId=3.8.1.201607290850-RELEASE-e46 java.version=1.8.0_131
      java.vendor=Oracle Corporation BootLoader constants: OS=win32,
      ARCH=x86_64, WS=win32, NL=en_US Framework arguments:  -product
      org.springsource.sts.ide Command-line arguments:  -os win32 -ws win32
      -arch x86_64 -product org.springsource.sts.ide</p>
    </blockquote>
    
    <p>!ENTRY org.eclipse.osgi 4 0 2017-05-14 21:00:14.019 !MESSAGE
    Application error !STACK 1 java.lang.ArrayIndexOutOfBoundsException
      at java.lang.System.arraycopy(Native Method)    at
    java.util.Arrays.copyOfRange(Unknown Source)  at
    java.util.Arrays.copyOfRange(Unknown Source)  at
    org.eclipse.ui.internal.ide.ChooseWorkspaceDialog.lambda$7(ChooseWorkspaceDialog.java:380)
      at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)    at
    java.util.ArrayList$ArrayListSpliterator.forEachRemaining(Unknown
    Source)   at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
      at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
      at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(Unknown
    Source)   at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
      at java.util.stream.ReferencePipeline.collect(Unknown Source)   at
    org.eclipse.ui.internal.ide.ChooseWorkspaceDialog.createUniqueWorkspaceNameMap(ChooseWorkspaceDialog.java:382)
      at
    org.eclipse.ui.internal.ide.ChooseWorkspaceDialog.createRecentWorkspacesComposite(ChooseWorkspaceDialog.java:325)
      at
    org.eclipse.ui.internal.ide.ChooseWorkspaceDialog.createDialogArea(ChooseWorkspaceDialog.java:176)
      at
    org.eclipse.jface.dialogs.TitleAreaDialog.createContents(TitleAreaDialog.java:158)
      at org.eclipse.jface.window.Window.create(Window.java:426)  at
    org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1095)     at
    org.eclipse.jface.window.Window.open(Window.java:783)     at
    org.eclipse.ui.internal.ide.ChooseWorkspaceDialog.prompt(ChooseWorkspaceDialog.java:114)
      at
    org.eclipse.ui.internal.ide.application.IDEApplication.promptForWorkspace(IDEApplication.java:342)
      at
    org.eclipse.ui.internal.ide.application.IDEApplication.checkInstanceLocation(IDEApplication.java:261)
      at
    org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:128)
      at
    org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
      at
    org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
      at
    org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
      at
    org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
      at
    org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
      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:673)  at
    org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)     at
    org.eclipse.equinox.launcher.Main.run(Main.java:1519)</p>
  </blockquote>
  
  <p>Not sure now from where that ArrayIndecOutoFBound Exception is coming, I have googled the same but nothing solved out my problem.</p>