java.lang.OutOfMemoryError: Java heap space
   at java.security.AccessControlContext.optimize(AccessControlContext.java:440)
   at java.security.AccessController.getContext(AccessController.java:501)
   at java.awt.AWTEvent.<init>(AWTEvent.java:106)
   at java.awt.event.InvocationEvent.<init>(InvocationEvent.java:285)
   at java.awt.event.InvocationEvent.<init>(InvocationEvent.java:174)
   at java.awt.EventQueue.invokeLater(EventQueue.java:1233)
   at org.netbeans.core.ui.warmup.MenuWarmUpTask$NbWindowsAdapter$1HandleBridge.run(MenuWarmUpTask.java:274)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.waitIOLoadLowerThan(FileChangedManager.java:227)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.pingIO(FileChangedManager.java:259)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.checkRead(FileChangedManager.java:127)
   at org.netbeans.TopSecurityManager.notifyRead(TopSecurityManager.java:181)
   at org.netbeans.TopSecurityManager.checkRead(TopSecurityManager.java:333)
   at java.io.File.isDirectory(File.java:838)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectKeeper.init(FileObjectKeeper.java:149)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj.refreshImpl(FolderObj.java:556)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.BaseFileObj.refresh(BaseFileObj.java:857)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj.refresh(FolderObj.java:562)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.RefreshSlow$1.run(RefreshSlow.java:80)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.idleIO(FileChangedManager.java:195)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.RefreshSlow$1.run(RefreshSlow.java:87)
   at org.openide.filesystems.FileUtil$2.run(FileUtil.java:447)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:127)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:641)
   at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:431)
   at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:451)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.RefreshSlow.refreshFileObject(RefreshSlow.java:91)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.refresh(FileObjectFactory.java:604)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.refresh(FileObjectFactory.java:579)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.refreshAll(FileObjectFactory.java:508)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory$1.run(FileObjectFactory.java:803)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem.runAsInconsistent(FileBasedFileSystem.java:110)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.refresh(FileObjectFactory.java:810)