java.lang.OutOfMemoryError: Java heap space
   at org.netbeans.modules.editor.lib2.document.ReadWriteUtils.convertFromNewlines(ReadWriteUtils.java:208)
   at org.netbeans.editor.BaseDocument.write(BaseDocument.java:1503)
   at org.netbeans.editor.BaseKit.write(BaseKit.java:677)
   at org.openide.text.DataEditorSupport.saveFromKitToStream(DataEditorSupport.java:573)
   at org.openide.text.CloneableEditorSupport$3.run(CloneableEditorSupport.java:716)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable$1.run(BeforeSaveTasks.java:190)
   at org.netbeans.editor.GuardedDocument.runAtomicAsUser(GuardedDocument.java:356)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable.run(BeforeSaveTasks.java:156)
   at org.netbeans.modules.editor.lib.TrailingWhitespaceRemove.runLocked(TrailingWhitespaceRemove.java:102)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable.run(BeforeSaveTasks.java:153)
   at org.netbeans.modules.editor.impl.ReformatBeforeSaveTask.runLocked(ReformatBeforeSaveTask.java:124)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable.run(BeforeSaveTasks.java:153)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks.runTasks(BeforeSaveTasks.java:130)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$2.run(BeforeSaveTasks.java:111)
   at org.openide.text.CloneableEditorSupport.saveDocumentImpl(CloneableEditorSupport.java:753)
   at org.openide.text.CloneableEditorSupport.saveDocument(CloneableEditorSupport.java:644)
   at org.openide.text.DataEditorSupport.superSaveDoc(DataEditorSupport.java:607)
   at org.openide.text.DataEditorSupport$SaveImpl.run(DataEditorSupport.java:1378)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:127)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:519)
   at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:423)
   at org.openide.text.DataEditorSupport.saveDocument(DataEditorSupport.java:603)
   at org.netbeans.modules.csl.core.GsfDataObject$GenericEditorSupport$Environment$SaveSupport.save(GsfDataObject.java:224)
   at org.openide.actions.SaveAction.performAction(SaveAction.java:132)
   at org.openide.actions.SaveAction.performAction(SaveAction.java:102)
   at org.openide.actions.SaveAction$Delegate.actionPerformed(SaveAction.java:249)
   at org.openide.awt.ContextAction$Performer.actionPerformed(ContextAction.java:231)
   at org.openide.awt.ContextManager.actionPerformed(ContextManager.java:260)
   at org.openide.awt.ContextAction.actionPerformed(ContextAction.java:109)
   at org.openide.util.actions.ActionInvoker$1.run(ActionInvoker.java:93)
   at org.openide.util.actions.ActionInvoker$ActionRunnable.actionPerformed(ActionInvoker.java:162)
   at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:109)