java.lang.NullPointerException
        at com.sun.tools.javac.comp.Attr.attribType(Attr.java:308)
        at com.sun.tools.javac.api.JavacTaskImpl.parseType(JavacTaskImpl.java:627)
        at org.netbeans.api.java.source.TreeUtilities.parseType(TreeUtilities.java:338)
        at org.netbeans.modules.editor.java.JavaCompletionProvider$JavaCompletionQuery.insideNewClass(JavaCompletionProvider.java:1496)
        at org.netbeans.modules.editor.java.JavaCompletionProvider$JavaCompletionQuery.resolveCompletion(JavaCompletionProvider.java:570)
        at org.netbeans.modules.editor.java.JavaCompletionProvider$JavaCompletionQuery.run(JavaCompletionProvider.java:358)
        at org.netbeans.modules.editor.java.JavaCompletionProvider$JavaCompletionQuery.run(JavaCompletionProvider.java:122)
        at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:666)
        at org.netbeans.api.java.source.JavaSource.runWhenScanFinished(JavaSource.java:798)
        at org.netbeans.modules.editor.java.JavaCompletionProvider$JavaCompletionQuery.query(JavaCompletionProvider.java:266)
        at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:218)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:561)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:986)