Null Pointer Exception creating _MessageBroker

[jhuertado]

Hi, im trying to integrate Spring 3 with Spring-Flex 1.5, but i keep getting the following error:

<25/10/2012 12:11:59 PM CDT> <Error> <HTTP> <BEA-101216> <Servlet: "blaze" failed to preload on startup in Web application: "/scpi".
org.springframework.beans.factory.BeanCreationException: Error creating bean with name '_messageBrokerDefaultHandlerMapping': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '_messageBroker': Invocation of init method failed; nested exception is java.lang.NullPointerException
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
	Truncated. see log file for complete stacktrace
org.springframework.beans.factory.BeanCreationException: Error creating bean with name '_messageBroker': Invocation of init method failed; nested exception is java.lang.NullPointerException
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1455)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
	Truncated. see log file for complete stacktrace
java.lang.NullPointerException
	at flex.messaging.MessageBroker.stop(MessageBroker.java:355)
	at org.springframework.flex.core.MessageBrokerFactoryBean.destroy(MessageBrokerFactoryBean.java:218)
	at org.springframework.flex.core.MessageBrokerFactoryBean.afterPropertiesSet(MessageBrokerFactoryBean.java:206)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1514)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1452)
	Truncated. see log file for complete stacktrace

This are the files im using, i'm not very experienced with neither Flex or Spring, so any advice is greatly appreciated!

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app 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-app_2_5.xsd"
         version="2.5">
    <display-name>SCPI</display-name>

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

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

    <!-- filters -->
    <filter>
        <filter-name>sitemesh</filter-name>
        <filter-class>com.opensymphony.sitemesh.webapp.SiteMeshFilter</filter-class>
    </filter>
    <!-- filter mappings -->
    <filter-mapping>
        <filter-name>sitemesh</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <servlet>
        <servlet-name>spring-mvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet>
        <servlet-name>blaze</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>blaze</servlet-name>
        <url-pattern>/messageBroker/*</url-pattern>
    </servlet-mapping>

    <servlet-mapping>
        <servlet-name>spring-mvc</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>

    <filter>
        <filter-name>Spring OpenEntityManagerInViewFilter</filter-name>
        <filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter</filter-class>
    </filter>

    <filter-mapping>
        <filter-name>Spring OpenEntityManagerInViewFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <welcome-file-list>
        <welcome-file>/home/init.do</welcome-file>
    </welcome-file-list>

    <login-config>
        <auth-method>CLIENT-CERT</auth-method>
        <realm-name>NoSuchRealm</realm-name>
    </login-config>



</web-app>

blaze-servlet.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:flex="http://www.springframework.org/schema/flex"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-3.1.xsd
       http://www.springframework.org/schema/mvc
       http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
       http://www.springframework.org/schema/flex
		http://www.springframework.org/schema/flex/spring-flex-1.5.xsd">

    <context:annotation-config/>
    <context:component-scan base-package="com.test.scpif"/>
    <mvc:annotation-driven/>
    <flex:message-broker>
        <flex:message-service default-channels="my-amf" />
    </flex:message-broker>
</beans>

services-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<services-config>
    <channels>
        <channel-definition id="my-amf" class="mx.messaging.channels.AMFChannel">
            <endpoint url="http://{server.name}:{server.port}/{context.root}/messageBroker/amf"
            			class="flex.messaging.endpoints.AMFEndpoint"/>
            <properties>
				<polling-enabled>true</polling-enabled>
			</properties>
        </channel-definition>
    </channels>
</services-config>

[jhuertado]

Also here is my 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"
       xmlns:jpa="http://www.springframework.org/schema/data/jpa"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:jee="http://www.springframework.org/schema/jee"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                           http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
                           http://www.springframework.org/schema/context
                           http://www.springframework.org/schema/context/spring-context-3.1.xsd
                           http://www.springframework.org/schema/data/jpa
                           http://www.springframework.org/schema/data/jpa/spring-jpa-1.0.xsd
                           http://www.springframework.org/schema/tx
                           http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
                           http://www.springframework.org/schema/aop
                           http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
                           http://www.springframework.org/schema/jee
                           http://www.springframework.org/schema/jee/spring-jee-3.1.xsd">
    <context:annotation-config/>
    <context:component-scan base-package="com.test.scpif"/>

    <aop:aspectj-autoproxy/>

    <tx:annotation-driven transaction-manager="transactionManager"/>

    <jpa:repositories base-package="com.test.scpif.dao" entity-manager-factory-ref="entityManagerFactory"/>

    <jee:jndi-lookup id="jndiDataSource" jndi-name="jdbc/scpiDS"/>

    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"
          p:dataSource-ref="jndiDataSource"
          p:persistenceUnitName="SCPIF_PU">
        <property name="persistenceXmlLocation" value="classpath:META-INF/scpif-persistence.xml"/>
        <property name="jpaPropertyMap">
            <map>
                <entry key="hibernate.transaction.manager_lookup_class"
                      value="org.hibernate.transaction.WeblogicTransactionManagerLookup"/>
                <entry key="hibernate.current_session_context_class"
                      value="jta"/>
            </map>
        </property>
        <property name="jpaVendorAdapter">
            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"
                  p:databasePlatform="org.hibernate.dialect.Oracle10gDialect" p:database="ORACLE" p:showSql="true"/>
        </property>
    </bean>

    <bean id="transactionManager" class="org.springframework.transaction.jta.WebLogicJtaTransactionManager">
        <property name="transactionManagerName" value="javax.transaction.TransactionManager"/>
    </bean>

    <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
        <property name="javaMailProperties">
            <props>
                <prop key="mail.transport.protocol">smtp</prop>
                <prop key="mail.smtp.host">mailhost.test.com</prop>
                <prop key="mail.debug">true</prop>
            </props>
        </property>
    </bean>

    <bean id="multipartResolver"
          class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <!-- one of the properties available; the maximum file size in bytes -->
        <property name="maxUploadSize" value="100000000"/>
    </bean>

    <bean id="messageSource"
          class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
        <property name="basename" value="classpath:messages"/>
        <property name="fallbackToSystemLocale" value="false"/>
        <property name="defaultEncoding" value="UTF-8"/>
    </bean>

</beans>

and pom.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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                           http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
                           http://www.springframework.org/schema/mvc
                           http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
                           http://www.springframework.org/schema/context
                           http://www.springframework.org/schema/context/spring-context-3.1.xsd">

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <property name="suffix" value=".jsp"/>
    </bean>

    <!--  <bean class="com.test.scpif.web.controller.admin.MessageDistributionListController"> </bean>
 <bean class="com.test.scpif.web.controller.catalog.RoleController"> </bean> -->

    <context:component-scan base-package="com.test.scpif.web"/>

    <mvc:interceptors>
        <bean class="org.springframework.web.servlet.mvc.WebContentInterceptor">
            <property name="cacheSeconds" value="0"/>
            <property name="useExpiresHeader" value="true"/>
            <property name="useCacheControlHeader" value="true"/>
            <property name="useCacheControlNoStore" value="true"/>
        </bean>
    </mvc:interceptors>

    <bean id="messageSource"
          class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
        <property name="basename" value="classpath:messages" />
        <property name="defaultEncoding" value="UTF-8"/>
    </bean>

     <mvc:annotation-driven validator="validator">
        <mvc:argument-resolvers>
            <bean class="com.test.scpif.web.support.DataTablesPageableArgumentResolver"/>
        </mvc:argument-resolvers>
    </mvc:annotation-driven>

    <bean id="validator"
          class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean">
        <property name="validationMessageSource" ref="messageSource"/>
    </bean>

</beans>