java.lang.NullPointerException
   at org.netbeans.modules.maven.grammar.MavenProjectGrammar.getNodeValue(MavenProjectGrammar.java:209)
   at org.netbeans.modules.maven.grammar.MavenProjectGrammar.findArtifactInfo(MavenProjectGrammar.java:198)
   at org.netbeans.modules.maven.grammar.MavenProjectGrammar.findPluginInfo(MavenProjectGrammar.java:247)
   at org.netbeans.modules.maven.grammar.MavenProjectGrammar.getDynamicCompletion(MavenProjectGrammar.java:153)
   at org.netbeans.modules.maven.grammar.spi.AbstractSchemaBasedGrammar.queryElements(AbstractSchemaBasedGrammar.java:319)
   at org.netbeans.modules.xml.text.completion.XMLCompletionQuery.queryElements(XMLCompletionQuery.java:321)
   at org.netbeans.modules.xml.text.completion.XMLCompletionQuery.query(XMLCompletionQuery.java:130)
   at org.netbeans.modules.xml.text.completion.XMLCompletionProvider$Query.query(XMLCompletionProvider.java:124)
   at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:223)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)