java.lang.NullPointerException
        at org.netbeans.modules.spring.beans.editor.SpringXMLConfigEditorUtils.getTagAttributes(SpringXMLConfigEditorUtils.java:106)
        at org.netbeans.modules.spring.beans.completion.completors.PropertyCompletor$1.run(PropertyCompletor.java:96)
        at org.netbeans.modules.spring.beans.completion.completors.PropertyCompletor$1.run(PropertyCompletor.java:92)
        at org.netbeans.api.java.source.JavaSource$MimeTask.run(JavaSource.java:517)
        at org.netbeans.modules.parsing.api.ParserManager$MimeTaskAction.run(ParserManager.java:335)
        at org.netbeans.modules.parsing.api.ParserManager$MimeTaskAction.run(ParserManager.java:319)
        at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:189)
        at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:307)
        at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:384)
        at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:376)
        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:577)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1030)