java.lang.NullPointerException
        at org.netbeans.modules.spring.beans.editor.SpringXMLConfigEditorUtils.getTagAttributes(SpringXMLConfigEditorUtils.java:106)
        at org.netbeans.modules.spring.beans.completion.completors.PropertyCompletor$.run(PropertyCompletor.java:96)
        at org.netbeans.modules.spring.beans.completion.completors.PropertyCompletor$.run(PropertyCompletor.java:94)
        at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:666)
        at org.netbeans.modules.spring.beans.completion.completors.PropertyCompletor.compute(PropertyCompletor.java:92)
        at org.netbeans.modules.spring.beans.completion.Completor.complete(Completor.java:65)
        at org.netbeans.modules.spring.beans.completion.SpringXMLConfigCompletionProvider$SpringXMLConfigCompletionQuery.query(SpringXMLConfigCompletionProvider.java:102)
        at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:218)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)