[jboss-dev-forums] [JBoss AS 7 Development] - Spring2.5 Component Scan Not Working in JB 7AS

Wed Apr 11 11:42:33 EDT 2012

Deepak S [https://community.jboss.org/people/deepusrp] created the discussion

"Spring2.5 Component Scan Not Working in JB 7AS"

To view the discussion, visit: https://community.jboss.org/message/729409#729409

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Hello Folks,

 I'm using JBoss 7 AS(jboss-as-7.1.0.Final) as my server.

 I have 2 questions...

 1.  I'm using Eclipse Helios SR2.  I'm not able to get the proper pluging to have JBOSS AS as my server in eclipse.
     I got several sites in net for the plugin, but when i tried to install it says conflicting, and it closes.
     Can i add Jboss 7 AS to my eclipse ?

 2.  I'm using spring 2.5, JSF and hibernate application.  
     The problem is i have used annotation for component and repository  but it is not getting initialized.   Basically  spring component scanner is not working.

     Please find the code snippets:

     Web.xml:     
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee" 
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
      http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    version="2.5">

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

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

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

applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?>
<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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
           http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-3.0.xsd">

    <context:component-scan base-package="main.controllerbeans" />
    <context:annotation-config />

    <bean id="propertyPlaceholderConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <list><value>/WEB-INF/configuration.properties</value></list>
        </property>
    </bean>

    <!-- IMPORTING HIBERNATE SETTINGS -->
    <import resource="/db-config.xml"/>

Component scan is not working... it seems

db-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">

    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
        <property name="driverClass">
            <value>${jdbc.driver.className}</value>
        </property>

        <property name="jdbcUrl">
            <value>${jdbc.url}</value>
        </property>

        <property name="user">
            <value>${jdbc.username}</value>
        </property>

        <property name="password">
            <value>${jdbc.password}</value>
        </property>
    </bean>

    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">

        <property name="dataSource">
            <ref bean="dataSource" />
        </property>

        <!-- <property name="packagesToScan" value="main.dbentities" /> -->

        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">${jdbc.hibernate.dialect}</prop>
                <prop key="hibernate.show_sql">false</prop>
            </props>
        </property>

        <property name="packagesToScan" value="org.adit.spring.hibernate.entity" />

    </bean>

    <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">

        <property name="sessionFactory">
            <ref bean="sessionFactory" />
        </property>

    </bean>

    <context:annotation-config />
    <tx:annotation-driven />

</beans>

faces-config.xml
<?xml version="1.0"?>
<faces-config xmlns="http://java.sun.com/xml/ns/javaee" 
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
      http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
   version="2.0">

    <application>
         <el-resolver>org.springframework.web.jsf.el.SpringBeanFacesELResolver</el-resolver>
    </application>

NotificationBean.java
import java.io.Serializable;

import javax.faces.bean.RequestScoped;

import main.dao.NotificationDAO;
import main.dbentities.Notification;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component("notificationBean")
@RequestScoped
public class NotificationBean implements Serializable {

    private static final long serialVersionUID = -3637354326738964505L;

    @Autowired
    Notification notification;

    @Autowired
    public NotificationDAO notificationDao;

    public NotificationBean() {
        notification = new Notification();
        //notificationDao = new NotificationDaoImpl();
    }

    public void persist(){
        System.out.println("Persist Method");
        notification.setUserId(111);
        notification.setPriorityId(1);
        notificationDao.save(notification);
    }

In my xhtml page i have a  input text box:
<h:inputText id="englishMessageTitle" value="#{notificationBean.notification.notificationTitleEng}" />

And there is submit button:
<h:commandButton class="btn_empty" id="submit" value="#{msg['CreateNotification.Submit']}" action="#{notificationBean.persist}" />

I'm getting the follwoing exception:

javax.el.PropertyNotFoundException: /xhtml/postmessage.xhtml @36,111 value="#{notificationBean.notification.notificationTitleEng}": Target Unreachable, identifier 'notificationBean' resolved to null
 at com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:100)
 at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:95)
 at javax.faces.component.UIInput.getConvertedValue(UIInput.java:1030)
 at javax.faces.component.UIInput.validate(UIInput.java:960)
 at javax.faces.component.UIInput.executeValidate(UIInput.java:1233)
 at javax.faces.component.UIInput.processValidators(UIInput.java:698)

Its unable to resolve the bean notificationBean

Following are the Jars that i have in my web-inf/lib:
c3p0-0.9.1.2.jar
commons-collections-3.2.1.jar
commons-dbcp-1.4.jar
dom4j-1.6.1.jar
hibernate-3.2.1.ga.jar
hibernate-annotations-3.4.0.GA.jar
hibernate-commons-annotations-3.1.0.GA.jar
hibernate-core-3.3.2.GA.jar
jboss-el-2.0.1.GA.jar
jsf-api.jar
jsf-impl.jar
jsp-2.1-6.0.2.jar
jstl-api-1.2.jar
jstl-impl-1.2.jar
mysql-connector-java-3.0.17-ga-bin.jar
org.springframework.context-2.5.6.SEC01.jar
org.springframework.core-2.5.6.SEC01.jar
org.springframework.transaction-2.5.6.A.jar
persistence-api-1.0.jar
spring-2.5.6.SEC01.jar
spring-beans-2.5.6.SEC01.jar

Please let me know what is the problem, and let me know if u need any other information.
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