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  • Exception while using the Spring+Flex package for new development

    Hi friends,

    I am trying to integrate an existing Spring MVC based custom framework with flex.
    1) I have simply copied the XML configuration files from Jeremy's sample application and put them in WEB-INF/flex folder of my application.The only change I made is set the default channel in services-config.xml and remoting-config.xml to "my-secure-amf" since my server accepts only "https" requests.

    2) I have "/spring/*" pointing to Dispatcherservlet.

    3) As part of debugging I did try to manually give a GET request to "https://{server.name}:{server.port}/{context.root}/spring/messagebroker/amfsecure".The response was 200(OK).
    As per my understanding I have configured the application properly.Correct me, if i am wrong.

    4) My mxml file is pretty simple,
    <mx:RemoteObject id="srv" destination="product"/>

    <mxataGrid dataProvider="{srv.getProducts.lastResult}" width="100%" height="100%"/>

    <mx:Button label="Get Data" click="srv.getProducts()"/>

    This is what I have configured in my Spring configuration file,
    <bean id="mySpringManagedMessageBroker" class="org.springframework.flex.messaging.MessageB rokerFactoryBean" />
    <bean id="productService" class="com.web.utility.Product"/>

    <!-- Expose the productService bean for BlazeDS remoting -->
    <bean id="product"
    class="org.springframework.flex.messaging.remoting .FlexRemotingServiceExporter">
    <property name="messageBroker" ref="mySpringManagedMessageBroker"/>
    <property name="service" ref="productService"/>
    </bean>

    <bean class="org.springframework.web.servlet.handler.Sim pleUrlHandlerMapping">
    <property name="mappings">
    <value>
    /messagebroker/*=mySpringManagedMessageBroker
    </value>
    </property>
    </bean>

    <!-- Dispatches requests mapped to a MessageBroker -->
    <bean class="org.springframework.flex.messaging.servlet. MessageBrokerHandlerAdapter"/>

    5) I am using Ant to generate the SWF file.

    6) When I give a request to the JSP(in which flex is embedded), I get a Flash player error pop-up displaying message
    [RPC Fault faultString="[MessagingError message='Destination 'product' either does not exist or the destination has no channels defined (and the application does not define any default channels.)']" faultCode="InvokeFailed" faultDetail="Couldn't establish a connection to 'product'"]

    Can anyone help me to solve this problem?

  • #2
    I guess this is the problem as discussed in this thread. Maybe you can try suggested solutions there.
    http://forum.springframework.org/showthread.php?t=65254
    success
    Last edited by jettro; Jan 9th, 2009, 01:37 AM.

    Comment


    • #3
      Thanks for your response "jettro".
      I was able to resolve the issue.Strangely everything worked fine when i hardcoded endpoint URL in the services-config.xml.

      Comment


      • #4
        I see now that my response did not say much, I somehow forgot to mention the link to the item. I have added it now.

        I would not recommend hard coding in config file. Gives you a hard time when deploying to other machines.

        Comment

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