com.vaadin.event.ListenerMethod$MethodException Cause: java.lang.NullPointe

hi
i’m busing developer a application spring hibernate vaadin liferay
i want to do function add new user when i click the button
it appears me an exception, can you help me

this is exception


com.vaadin.event.ListenerMethod$MethodException
Cause: java.lang.NullPointerException

	at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:532)

	at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:164)

	at com.vaadin.ui.AbstractComponent.fireEvent(AbstractComponent.java:1219)

	at com.vaadin.ui.Button.fireClick(Button.java:537)

	at com.vaadin.ui.Button.changeVariables(Button.java:223)

	at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.changeVariables(AbstractCommunicationManager.java:1445)

	at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariableBurst(AbstractCommunicationManager.java:1393)

	at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariables(AbstractCommunicationManager.java:1312)

	at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.doHandleUidlRequest(AbstractCommunicationManager.java:763)

	at com.vaadin.terminal.gwt.server.PortletCommunicationManager.handleUidlRequest(PortletCommunicationManager.java:242)

	at com.vaadin.terminal.gwt.server.AbstractApplicationPortlet.handleRequest(AbstractApplicationPortlet.java:465)

	at com.vaadin.terminal.gwt.server.AbstractApplicationPortlet.serveResource(AbstractApplicationPortlet.java:747)

	at com.liferay.portlet.FilterChainImpl.doFilter(FilterChainImpl.java:118)

	at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:71)

	at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:93)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:68)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)

	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)

	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402)

	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)

	at com.liferay.portlet.InvokerPortletImpl.invoke(InvokerPortletImpl.java:636)

	at com.liferay.portlet.InvokerPortletImpl.invokeResource(InvokerPortletImpl.java:750)

	at com.liferay.portlet.InvokerPortletImpl.serveResource(InvokerPortletImpl.java:505)

	at com.liferay.portal.action.LayoutAction.processPortletRequest(LayoutAction.java:941)

	at com.liferay.portal.action.LayoutAction.processLayout(LayoutAction.java:664)

	at com.liferay.portal.action.LayoutAction.execute(LayoutAction.java:244)

	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)

	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)

	at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:173)

	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)

	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)

	at com.liferay.portal.servlet.MainServlet.callParentService(MainServlet.java:556)

	at com.liferay.portal.servlet.MainServlet.service(MainServlet.java:533)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:113)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:113)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:113)

	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)

	at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:199)

	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)

	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)

	at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:240)

	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:68)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)

	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)

	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402)

	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)

	at com.liferay.portal.servlet.FriendlyURLServlet.service(FriendlyURLServlet.java:136)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:113)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:113)

	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)

	at com.liferay.portal.servlet.filters.gzip.GZipFilter.processFilter(GZipFilter.java:123)

	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)

	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)

	at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:199)

	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)

	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)

	at com.liferay.portal.servlet.filters.i18n.I18nFilter.processFilter(I18nFilter.java:241)

	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)

	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)

	at com.liferay.portal.servlet.filters.etag.ETagFilter.processFilter(ETagFilter.java:55)

	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)

	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)

	at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:240)

	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)

	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)

	at com.liferay.portal.servlet.filters.sso.ntlm.NtlmPostFilter.processFilter(NtlmPostFilter.java:83)

	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)

	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)

	at com.liferay.portal.sharepoint.SharepointFilter.processFilter(SharepointFilter.java:80)

	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)

	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:121)

	at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.processFilter(VirtualHostFilter.java:209)

	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:48)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:184)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:92)

	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:203)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:105)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:164)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:92)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:164)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:92)

	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:68)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)

	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:185)

	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)

	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:151)

	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)

	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)

	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)

	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)

	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:269)

	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)

	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)

	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

	at java.lang.Thread.run(Unknown Source)

Caused by: java.lang.NullPointerException

	at achrefliferay.AchrefliferayApplication$1.buttonClick(AchrefliferayApplication.java:59)

	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

	at java.lang.reflect.Method.invoke(Unknown Source)

	at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:512)

	... 136 more

and this is application



/**
 * 
 */

package com.example.liferaylolvaadinlolspring;

import java.util.Calendar;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowire;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Configurable;

import com.businessdecision.dao.AdministrateurDAO;
import com.businessdecision.entity.Administrateur;
import com.vaadin.Application;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.TextField;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.themes.Reindeer;

/**
 * 
 * Class Description;
 * 
 * Copyright: Copyright 2011 Company: Tunisie TradeNet
 * 
 * @author: MEJRI Yassine
 * @version: 1.0
 * 
 *           Modification History: Date Author Description
 *           ----------------------- 28 oct. 2011
 * 
 */
@Configurable(preConstruction = true, autowire = Autowire.BY_NAME)
public class LiferaylolvaadinlolspringApplication extends Application {

	/**
	 *      
	 */
	private static final long serialVersionUID = 1198938441421455822L;

	/** */
	public static Logger trace = Logger.getLogger(LiferaylolvaadinlolspringApplication.class);

	/** */
	@Autowired
	private AdministrateurDAO administrateurDAO;


	@Override
	public void init() {
		// TODO Auto-generated method stub
		trace.info("Initialisation de l'application, date = "
				+ Calendar.getInstance().getTime());
		setTheme("reindeer");

		Window main = new Window("test");
		final TextField login = new TextField("login");
		final TextField mdp = new TextField("mdp");
		final TextField email = new TextField("email");
		main.addComponent(login);
		main.addComponent(mdp);
		main.addComponent(email);

		Button save = new Button("save");
		save.addListener(new ClickListener() {

			
			public void buttonClick(ClickEvent event) {
				Administrateur administrateur = new Administrateur();
				administrateur.setLogin(login.getValue().toString());
				administrateur.setMotPass(mdp.getValue().toString());
				administrateur.setEmail(email.getValue().toString());
				administrateurDAO.save(administrateur);

			}
		});
		main.addComponent(save);

		setMainWindow(main);
	}

}

Hi Achref,

It could be a problem with autowired class

    @Autowired
    private AdministrateurDAO administrateurDAO;

Could you give us more information about your configuration files (i.e paste their contents)?

Thanks

Javi

hi
this is configuration file of applicationContext.xml



<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:oxm="http://www.springframework.org/schema/oxm"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
    http://www.springframework.org/schema/oxm http://www.springframework.org/schema/oxm/spring-oxm-1.5.xsd">

	<context:annotation-config />
	<context:spring-configured />
	<context:component-scan base-package="com.businessdecision" />



	<bean
		class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor" />
	<bean
		class="org.springframework.context.annotation.CommonAnnotationBeanPostProcessor" />

	<!-- BEAN SPRING POUR INITIALISER L'APPLICATION -->
	<bean id="application" class="com.example.liferaylolvaadinlolspring.LiferaylolvaadinlolspringApplication"
		scope="session" />



	<bean id="dataSourceEnterprise" class="org.apache.commons.dbcp.BasicDataSource"
		destroy-method="close">
		<property name="driverClassName" value="org.postgresql.Driver"></property>
		<property name="url" value="jdbc:postgresql://localhost:5432/lolita"></property>
		<property name="username" value="postgres"></property>
		<property name="password" value="root"></property>

	</bean>


	<bean id="sessionFactoryDb"
		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
		<property name="configLocation">
			<value>classpath:hibernate.cfg.xml</value>
		</property>
		<property name="dataSource" ref="dataSourceEnterprise"></property>
	</bean>

	<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
		<property name="sessionFactory">
			<ref bean="sessionFactoryDb" />
		</property>
	</bean>




	<!-- DAOs CONFIGURATION -->
	<bean id="administrateurDAO" class="com.businessdecision.dao.AdministrateurDAO">
		<property name="hibernateTemplate" ref="hibernateTemplate">
		</property>
	</bean>




</beans>

andi this web.xml


<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
	<display-name>liferaylolvaadinlolspring</display-name>
	
	
	<context-param>
		<param-name>log4jConfigLocation</param-name>
		<param-value>/WEB-INF/log4j.properties</param-value>
	</context-param>

	

	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>
			/WEB-INF/applicationContext.xml
		</param-value>
	</context-param>

	<listener>
		<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
	</listener>

	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>

	<listener>
		<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
	</listener>


	<!-- ApplicationServlet from Vaadin jar will respond to requests. -->
	<servlet>
		<servlet-name>Spring Integration</servlet-name>
		<servlet-class>ch.frankel.vaadin.spring.SpringApplicationServlet</servlet-class>
		<init-param>
			<param-name>applicationBeanName</param-name>
			<param-value>application</param-value>
		</init-param>
		

	</servlet>


	<servlet-mapping>
		<servlet-name>Spring Integration</servlet-name>
		<url-pattern>/app/*</url-pattern>
	</servlet-mapping>

	<session-config>
		<session-timeout>-1</session-timeout>
	</session-config>
	
	<context-param>
		<description>
		Vaadin production mode</description>
		<param-name>productionMode</param-name>
		<param-value>false</param-value>
	</context-param>
	
	
	<welcome-file-list>
		<welcome-file>index.html</welcome-file>
		<welcome-file>index.htm</welcome-file>
		<welcome-file>index.jsp</welcome-file>
		<welcome-file>default.html</welcome-file>
		<welcome-file>default.htm</welcome-file>
		<welcome-file>default.jsp</welcome-file>
	</welcome-file-list>
</web-app>

and this hibernate.cfg.xml


<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
                                         "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
	<session-factory>

		<property name="hibernate.dialect">org.hibernate.dialect.PostgreSQLDialect</property>

	 	<!-- <property name="hibernate.connection.url">jdbc:postgresql://localhost:5432/enterprise</property>
		<property name="hibernate.connection.username">postgres</property>
		<property name="hibernate.connection.password">postgres</property> 
 -->
		<property name="hibernate.hbm2ddl.auto">create</property>
        
        <mapping resource="com/businessdecision/entity/Administrateur.hbm.xml" />
		
	</session-factory>
</hibernate-configuration>

anyone khnow this exception

Hi Achref,

try to remove this:

    <context:spring-configured />

from your applicationContext.xml file and let us know the results

Javi

hi JAVI

i tried to delete this instruction, but the same exception is yet appears