java.lang.OutOfMemoryError: PermGen space
   at java.lang.ClassLoader.defineClass1(ClassLoader.java:0)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
   at org.netbeans.JarClassLoader.doLoadClass(JarClassLoader.java:289)
   at org.netbeans.ProxyClassLoader.selfLoadClass(ProxyClassLoader.java:259)
   at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:187)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
   at org.netbeans.core.windows.view.ui.slides.SlideOperationFactory.<clinit>(SlideOperationFactory.java:59)
   at org.netbeans.core.windows.view.ui.slides.CommandManager.slideIn(CommandManager.java:136)
   at org.netbeans.core.windows.view.ui.slides.SlideBar.stateChanged(SlideBar.java:263)
   at javax.swing.DefaultSingleSelectionModel.fireStateChanged(DefaultSingleSelectionModel.java:132)
   at javax.swing.DefaultSingleSelectionModel.setSelectedIndex(DefaultSingleSelectionModel.java:67)
   at org.netbeans.core.windows.view.ui.slides.TabbedSlideAdapter.setSelectedComponent(TabbedSlideAdapter.java:296)
   at org.netbeans.core.windows.view.ui.TabbedHandler.setSelectedTopComponent(TabbedHandler.java:275)
   at org.netbeans.core.windows.view.ui.AbstractModeContainer.setSelectedTopComponent(AbstractModeContainer.java:118)
   at org.netbeans.core.windows.view.ui.AbstractModeContainer.setTopComponents(AbstractModeContainer.java:131)
   at org.netbeans.core.windows.view.ui.slides.SlideBarContainer.setTopComponents(SlideBarContainer.java:126)
   at org.netbeans.core.windows.view.ModeView.setTopComponents(ModeView.java:138)
   at org.netbeans.core.windows.view.ViewHierarchy.updateViewForAccessor(ViewHierarchy.java:275)
   at org.netbeans.core.windows.view.ViewHierarchy.updateSlidingViews(ViewHierarchy.java:386)
   at org.netbeans.core.windows.view.ViewHierarchy.updateViewHierarchy(ViewHierarchy.java:185)
   at org.netbeans.core.windows.view.DefaultView.changeGUI(DefaultView.java:156)
   at org.netbeans.core.windows.ViewRequestor.dispatchRequest(ViewRequestor.java:275)
   at org.netbeans.core.windows.ViewRequestor.processRequest(ViewRequestor.java:251)
   at org.netbeans.core.windows.ViewRequestor.postRequest(ViewRequestor.java:189)
   at org.netbeans.core.windows.ViewRequestor.scheduleRequest(ViewRequestor.java:127)
   at org.netbeans.core.windows.Central.activateModeTopComponent(Central.java:1797)
   at org.netbeans.core.windows.WindowManagerImpl.topComponentRequestActive(WindowManagerImpl.java:1334)
   at org.openide.windows.TopComponent.requestActive(TopComponent.java:861)
   at org.netbeans.core.io.ui.IOWindow$IOWindowImpl.requestActive(IOWindow.java:301)
   at org.netbeans.core.windows.view.ui.slides.SlideBar.userClickedSlidingButton(SlideBar.java:328)
   at org.netbeans.core.windows.view.ui.slides.SlideGestureRecognizer.actionPerformed(SlideGestureRecognizer.java:110)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)