java.lang.OutOfMemoryError: GC overhead limit exceeded
   at java.util.Arrays.copyOfRange(Arrays.java:3664)
   at java.lang.String.<init>(String.java:207)
   at java.lang.String.substring(String.java:1969)
   at java.io.File.getParent(File.java:479)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.BaseFileObj.getNameExt(BaseFileObj.java:156)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.getFileObject(FileObjectFactory.java:219)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.getValidFileObject(FileObjectFactory.java:793)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem.getFileObject(FileBasedFileSystem.java:144)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedURLMapper.getFileObjects(FileBasedURLMapper.java:107)
   at org.netbeans.modules.masterfs.MasterURLMapper.getFileObjects(MasterURLMapper.java:65)
   at org.openide.filesystems.URLMapper.findFileObject(URLMapper.java:213)
   at org.netbeans.modules.parsing.spi.indexing.support.IndexResult.getFile(IndexResult.java:118)
   at org.netbeans.modules.javascript2.editor.index.IndexedElement.create(IndexedElement.java:230)
   at org.netbeans.modules.javascript2.editor.index.JsIndex.getGlobalVar(JsIndex.java:245)
   at org.netbeans.modules.javascript2.editor.JsCodeCompletion.addGlobalObjectsFromIndex(JsCodeCompletion.java:264)
   at org.netbeans.modules.javascript2.editor.JsCodeCompletion.complete(JsCodeCompletion.java:217)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery.addCodeCompletionItems(GsfCompletionProvider.java:626)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery.resolveCompletion(GsfCompletionProvider.java:613)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery.access$400(GsfCompletionProvider.java:250)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery$1.run(GsfCompletionProvider.java:336)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:153)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:137)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:88)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104)
   at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery.query(GsfCompletionProvider.java:345)