java.lang.OutOfMemoryError: Java heap space at java.util.HashMap.createEntry(HashMap.java:901) at java.util.HashMap.addEntry(HashMap.java:888) at java.util.HashMap.put(HashMap.java:509) at java.util.HashSet.add(HashSet.java:217) at java.util.AbstractCollection.addAll(AbstractCollection.java:342) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$DeleteWork.(RepositoryUpdater.java:3693) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.fileRenamedImpl(RepositoryUpdater.java:947) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.access$6200(RepositoryUpdater.java:144) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$FCL.fileRenamed(RepositoryUpdater.java:6275) at org.openide.filesystems.DeepListener.fileRenamed(DeepListener.java:124) at org.openide.filesystems.DeepListener.fileRenamed(DeepListener.java:116) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectKeeper.fileRenamed(FileObjectKeeper.java:351) at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:166) at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:128) at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:105) at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:1318) at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:213) at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:188) at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:129) at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:609) at org.openide.loaders.DataObjectPool.runAtomicActionSimple(DataObjectPool.java:229) at org.openide.loaders.DataObject.invokeAtomicAction(DataObject.java:988) at org.openide.loaders.DataObject.rename(DataObject.java:776) at org.netbeans.modules.css.refactoring.CssRenameRefactoringPlugin$RenameFolder.performChange(CssRenameRefactoringPlugin.java:488) at org.netbeans.modules.refactoring.api.RefactoringSession.reallyDoRefactoring(RefactoringSession.java:145) at org.netbeans.modules.refactoring.api.RefactoringSession.access$100(RefactoringSession.java:79) at org.netbeans.modules.refactoring.api.RefactoringSession$1.run(RefactoringSession.java:122) at org.netbeans.modules.refactoring.api.RefactoringSession$1.run(RefactoringSession.java:120) at org.netbeans.modules.editor.lib.BeforeSaveTasks.runWithOnSaveTasksDisabled(BeforeSaveTasks.java:93) at org.netbeans.editor.Utilities.runWithOnSaveTasksDisabled(Utilities.java:1621) at org.netbeans.modules.refactoring.api.RefactoringSession.doRefactoring(RefactoringSession.java:120) at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$9.run(ParametersPanel.java:480)