Timer, atualizar componente na tela nullPointer

fiz o seguinte TIMER :slight_smile
porém esta dando nullPointer aqui

FacesContext.getCurrentInstance().getPartialViewContext().getRenderIds().add(“formTeste:tableMonitorRealTimeXXXXX”);:

public void startTimer() {

timer = new Timer();

timer.schedule(new RemindTask(), 0, //initial delay

1 * 1000); //subsequent rate

}
<pre><code> class RemindTask extends TimerTask {

	    public void run() {
	      if (executaTimer) {
	    	  log.info("YYYYYYYYYYYY START METHOD MONITOR REAL TIME YYYYYYYYYYYY");
	    	  criaListaMonitorRealTime();
	    	  
	      } else {
	        
	        timer.cancel(); //Not necessary because we call System.exit
	        
	        //System.exit(0); //Stops the AWT thread (and everything else)
	      }
	    }
	  }

public void criaListaMonitorRealTime() {
       ......

FacesContext.getCurrentInstance().getPartialViewContext().getRenderIds().add(“formTeste:tableMonitorRealTimeXXXXX”); -----------------------------------PAGE

<h:form id="formTeste">	
      
         <h:outputText value="554545455" />

<p:inputText id=“modeloVeiculo” value="#{monitorRealTimeMB.nome}" style=“text-transform:uppercase” />

<p:dataTable id="tableMonitorRealTimeXXXXX" var="monitorRealTime" 
							        	rows="3" value="#{monitorRealTimeMB.listaMonitorRealTime}" 
							        	emptyMessage="#{msgs.labelNoRecords}"									        	
							        	 >

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