java.lang.IllegalArgumentException: URI is not absolute
        at java.net.URI.toURL(URI.java:1080)
        at org.netbeans.modules.parsing.impl.indexing.Util.resolveUrl(Util.java:133)
        at org.netbeans.modules.parsing.spi.indexing.support.IndexResult.getUrl(IndexResult.java:87)
        at org.netbeans.modules.parsing.spi.indexing.support.IndexResult.getFile(IndexResult.java:110)
        at org.netbeans.modules.javascript.editing.IndexedElement.getFileObject(IndexedElement.java:254)
        at org.netbeans.modules.javascript.editing.AstUtilities.getForeignNode(AstUtilities.java:188)
        at org.netbeans.modules.javascript.editing.ElementUtilities.getNode(ElementUtilities.java:340)
        at org.netbeans.modules.javascript.editing.ElementUtilities.getComments(ElementUtilities.java:110)
        at org.netbeans.modules.javascript.editing.JsCodeCompletion.document(JsCodeCompletion.java:2047)
        at org.netbeans.modules.csl.editor.completion.GsfCompletionDoc.<init>(GsfCompletionDoc.java:107)
        at org.netbeans.modules.csl.editor.completion.GsfCompletionDoc.create(GsfCompletionDoc.java:117)
        at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery.resolveDocumentation(GsfCompletionProvider.java:545)
        at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery.access$600(GsfCompletionProvider.java:243)
        at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery$1.run(GsfCompletionProvider.java:337)
        at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:129)
        at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:113)
Caused: org.netbeans.modules.parsing.spi.ParseException
        at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:191)
        at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:99)
        at org.netbeans.modules.csl.editor.completion.GsfCompletionProvider$JavaCompletionQuery.query(GsfCompletionProvider.java:319)
        at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:218)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:573)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1005)