Spring + BlazeDS Integration API for Flex based Enterprise Apps

Posted: October 19, 2011 in Adobe, API, Flex, RIA, Spring, Technology
Tags: , , , , ,

In my last project assignment I found Spring BlazeDS Integration API is very fruitful. It really helps developer to focus on only business implementation of application and forget about backend server level configuration. Spring BlazeDS Integration is a top-level Spring project, and a component of the complete Spring Web stack. This project’s purpose is to make it easier to build Spring-powered Rich Internet Applications using Adobe Flex as the front-end client. It aims to achieve this purpose by providing first-class support for using the open source Adobe BlazeDS project and its powerful remoting and messaging facilities in combination with the familiar Spring programming model.

Spring FrameworkBlazeDS

By this article I am going to share the basic and essential part of this API that helps to understand the integration process. In this example I am going to use Spring+BlazeDS integration API for integrating backend Spring based J2EE layer into client layer Flex application.

What I am going to cover here:
#
Creating Spring based J2EE backend layer
# Implementing Spring BlazeDS Integration API
# Creating Flex application for client layer

List of software used for this implementation:
#
FlashBuilder 4.5
# Flex Framework SDK 4
# Apache Tomcat 7.0
# Spring BlazeDS Integration 1.5.0
# Spring framework library
# BlazeDS library
# Eclipse with WTP for creating dynamic web application
Note – we can use compatible preceding version of these software also.

Creating Spring based J2EE backend layer

In this step first create a dynamic web application using Eclipse IDE by File->New->Project->Web- Dynamic Web Project options and enter the basic project details and settings.

New Dynamic ProjectContext Root

In the above steps cross check the context root name for this application. This context root name will be use for client layer integration. After this steps this project will look like below in project explorer of Eclipse IDE.

Project Explorer

Now put all the jar files of downloaded library in WebContent->WEB-INF->lib folder. Total number of jar files in lib folder are 36.

List of library files

Tips : If you unable to find any of these listed jar files then you can manually download this from http://grepcode.com by entering the full name of zar file. Make sure you have all the respective library jar files of Spring Framework, BlazeDS and Spring+BlazeDS integration API.

Now after this initial project setup steps move to J2EE layer development. In this example I am fetching the list of country for Flex client layer.

Creating Spring based J2EE backend layer

First modify ‘web.xml’ in the ‘WEB-INF’ directory. Go to the WebContent->WEB-INF->web.xml directory. Here I define a DispatcherServlet (also known as a ‘Front Controller’. It is going to control all the requests. This servlet definition also has an attendant <servlet-mapping/> entry that maps to the URL patterns that will be used for making request. Here I am defining url pattern as /messageBroker/*, that means all request url containing this pattern will be routed to the ‘blazeds’ servlet (the DispatcherServlet).

Modifying the Deployment Descriptor web.xml file

Now I have created blazeds-servlet.xml file in WebContent->WEB-INF-> directory. This file contains the bean definitions used by the DispatcherServlet. It is the WebApplicationContext where all web-related components go. The name of this file is determined by the value of the <servlet-name/> element from the 'web.xml', with '-servlet' appended to it (hence 'blazeds-servlet.xml'). In this I am configuring spring annotation framework and providing a base package location of J2EE interface layer classes for Flex communication. And most important thing is configuring message-broker of Spring+BlazeDS integration API for object serialization.

Configuring WebApplicationContext

After this we have to define blazeDS communication channel in services-config.xml file at WebContent->WEB-INF->flex-> (this is a default location of services config file).

Configuring services config file

Now all the configuration lavel part is done and move to Class lavel coding. Just have a look on this class.

J2EE layer service class MapManager

The best part of Spring+BlazeDS Integration API is we now we don’t need to configure remote-config file for every java class. We just have to write a one single Spring annotation tag in class and need to provide a remoting communication channel information. In the above class I have used these three basic Spring annotation tag:

  • @Service(“mapManagerService”) – for giving a destination name of this class for Flex layer remoting.
  • @RemotingDestination(channels={“my-amf”}) – for providing a remoting communication channel name.
  • @RemotingInclude – using this tag we can include the method of the class for remoting.

Now we are ready to deploy this application on server.

Creating Flex application for client layer

In Flex layer we don’t have to do anything extra just need to create a Remote Object and call the exposed service destination from J2EE layer. For testing we don’t need to deploy this Flex application on server.

Client layer Flex Application

Output screen of Flex application

Output screen of client layer Flex application

Reference link:

Source files of example projet : http://uploading.com/files/f22164bb/GeekTest_01.zip/

 

Comments
  1. Alok says:

    Hi,
    I am trying to deploy it on a tomcat, its giving the following execption

    Jan 19, 2012 6:42:33 PM org.apache.catalina.core.AprLifecycleListener init
    INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files (x86)\Java\jre6\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files (x86)/Java/jre6/bin/client;C:/Program Files (x86)/Java/jre6/bin;C:/Program Files (x86)/Java/jre6/lib/i386;C:\oraclexe\app\oracle\product\11.2.0\server\bin;;C:\Program Files\RA2HP\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\ActivIdentity\ActivClient\;C:\Program Files (x86)\ActivIdentity\ActivClient\;C:\Program Files\WIDCOMM\Bluetooth Software\;C:\Program Files\WIDCOMM\Bluetooth Software\syswow64;C:\Program Files (x86)\Attachmate\Reflection\;C:\Program Files (x86)\QuickTime\QTSystem\;C:\Oracle\Middleware\jdk160_24\bin;C:\Softwares\apache-maven-3.0.3-bin\apache-maven-3.0.3\bin;C:\Softwares\Adobe_Flex\eclipse-jee-helios-SR2-win32\eclipse;
    Jan 19, 2012 6:42:33 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
    WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property ‘source’ to ‘org.eclipse.jst.jee.server:SpringBlazeDS’ did not find a matching property.
    Jan 19, 2012 6:42:33 PM org.apache.coyote.AbstractProtocol init
    INFO: Initializing ProtocolHandler [“http-bio-8080”]
    Jan 19, 2012 6:42:33 PM org.apache.coyote.AbstractProtocol init
    INFO: Initializing ProtocolHandler [“ajp-bio-8009”]
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.Catalina load
    INFO: Initialization processed in 492 ms
    Jan 19, 2012 6:42:33 PM org.apache.catalina.core.StandardService startInternal
    INFO: Starting service Catalina
    Jan 19, 2012 6:42:33 PM org.apache.catalina.core.StandardEngine startInternal
    INFO: Starting Servlet Engine: Apache Tomcat/7.0.21
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://www.springframework.org/tags/form is already defined
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://www.springframework.org/tags is already defined
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/sql_rt is already defined
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/core is already defined
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/xml is already defined
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/core_rt is already defined
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/sql is already defined
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt_rt is already defined
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/scriptfree is already defined
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt is already defined
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/xml_rt is already defined
    Jan 19, 2012 6:42:33 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/permittedTaglibs is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/core_rt is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/core is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/core is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt_rt is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/fmt is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/functions is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/permittedTaglibs is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/scriptfree is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/sql_rt is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/sql is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/sql is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/xml_rt is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/xml is already defined
    Jan 19, 2012 6:42:34 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/xml is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://www.springframework.org/tags/form is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://www.springframework.org/tags is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/sql_rt is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/core is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/xml is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/core_rt is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/sql is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt_rt is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/scriptfree is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/xml_rt is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/permittedTaglibs is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/core_rt is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/core is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/core is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt_rt is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/fmt is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/functions is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/permittedTaglibs is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/scriptfree is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/sql_rt is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/sql is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/sql is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/xml_rt is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jstl/xml is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.startup.TaglibUriRule body
    INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/xml is already defined
    Jan 19, 2012 6:42:35 PM org.apache.catalina.core.ApplicationContext log
    INFO: Initializing Spring FrameworkServlet ‘blazeds’
    Jan 19, 2012 6:42:35 PM org.springframework.web.servlet.FrameworkServlet initServletBean
    INFO: FrameworkServlet ‘blazeds’: initialization started
    Jan 19, 2012 6:42:35 PM org.springframework.context.support.AbstractApplicationContext prepareRefresh
    INFO: Refreshing WebApplicationContext for namespace ‘blazeds-servlet’: startup date [Thu Jan 19 18:42:35 IST 2012]; root of context hierarchy
    Jan 19, 2012 6:42:35 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
    INFO: Loading XML bean definitions from ServletContext resource [/WEB-INF/blazeds-servlet.xml]
    Jan 19, 2012 6:42:37 PM org.springframework.util.xml.SimpleSaxErrorHandler warning
    WARNING: Ignored XML validation warning
    org.xml.sax.SAXParseException: schema_reference.4: Failed to read schema document ‘http://www.springframework.org/schema/context/spring-context-3.0.xsd>’, because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not .
    at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
    at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.warning(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.reportSchemaErr(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.reportSchemaWarning(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.getSchemaDocument(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.parseSchema(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaLoader.loadSchema(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.findSchemaGrammar(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(Unknown Source)
    at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:75)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:388)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:124)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:93)
    at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
    at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:465)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:395)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:443)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:459)
    at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:340)
    at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:307)
    at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
    at javax.servlet.GenericServlet.init(GenericServlet.java:160)
    at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1228)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1147)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1043)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4957)
    at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5284)
    at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5279)
    at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
    Jan 19, 2012 6:42:37 PM org.springframework.web.servlet.FrameworkServlet initServletBean
    SEVERE: Context initialization failed
    org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 17 in XML document from ServletContext resource [/WEB-INF/blazeds-servlet.xml] is invalid; nested exception is org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element ‘context:annotation-config’.
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:396)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:124)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:93)
    at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
    at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:465)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:395)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:443)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:459)
    at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:340)
    at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:307)
    at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
    at javax.servlet.GenericServlet.init(GenericServlet.java:160)
    at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1228)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1147)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1043)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4957)
    at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5284)
    at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5279)
    at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
    Caused by: org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element ‘context:annotation-config’.
    at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
    at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator$XSIErrorReporter.reportError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportSchemaError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(Unknown Source)
    at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:75)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:388)
    … 27 more
    Jan 19, 2012 6:42:37 PM org.apache.catalina.core.ApplicationContext log
    SEVERE: StandardWrapper.Throwable
    org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 17 in XML document from ServletContext resource [/WEB-INF/blazeds-servlet.xml] is invalid; nested exception is org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element ‘context:annotation-config’.
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:396)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:124)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:93)
    at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
    at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:465)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:395)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:443)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:459)
    at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:340)
    at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:307)
    at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
    at javax.servlet.GenericServlet.init(GenericServlet.java:160)
    at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1228)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1147)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1043)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4957)
    at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5284)
    at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5279)
    at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
    Caused by: org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element ‘context:annotation-config’.
    at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
    at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator$XSIErrorReporter.reportError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportSchemaError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(Unknown Source)
    at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:75)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:388)
    … 27 more
    Jan 19, 2012 6:42:37 PM org.apache.catalina.core.StandardContext loadOnStartup
    SEVERE: Servlet /SpringBlazeDS threw load() exception
    org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element ‘context:annotation-config’.
    at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
    at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator$XSIErrorReporter.reportError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportSchemaError(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(Unknown Source)
    at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(Unknown Source)
    at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:75)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:388)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:124)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:93)
    at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
    at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:465)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:395)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:443)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:459)
    at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:340)
    at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:307)
    at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
    at javax.servlet.GenericServlet.init(GenericServlet.java:160)
    at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1228)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1147)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1043)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4957)
    at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5284)
    at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5279)
    at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
    Jan 19, 2012 6:42:37 PM org.apache.coyote.AbstractProtocol start
    INFO: Starting ProtocolHandler [“http-bio-8080”]
    Jan 19, 2012 6:42:37 PM org.apache.coyote.AbstractProtocol start
    INFO: Starting ProtocolHandler [“ajp-bio-8009”]
    Jan 19, 2012 6:42:37 PM org.apache.catalina.startup.Catalina start
    INFO: Server startup in 3925 ms

    Thanks,
    Alok

    • Md. Mustafa says:

      Dear Ravi,

      Kindly post a flex applicaiton where below will be explained.
      1. create a blazeDS where data will be retrieve from database.
      2. create a line graph by getting the data value.
      3. explain where flex code will be written
      4. show the output.

      In the meantime the download link is not working. Can you upload the entire source again.

      Thanks,
      Prasanna

  2. Alok says:

    Can you please help me out in the deploying the application in server, and where the mxml needs to placed

  3. Ravi Sharma says:

    @Alok – After seeing your log data, it look like your spring annotation tag is not parsed… I suggest you to please check whether you are pointing the correct Spring context xsd file in your WebApplicationContext. Your xsd schema version need to be supported by your Spring framework.

    • Alok says:

      Hi Ravi,
      I tried my level best to integrate flex and springs, but all in vain
      Even i tried the application in your blog, only the combo is appearing, its not at all able to hit the java class.

      Can you please share the code for integartion of flex with springs, which will work in server

      Thanks a lot,
      Alok

  4. Alok says:

    Hello Ravi,

    Thanks a lot, its working now.

    Once again thanks a lot,

    Thanks,
    Alok

  5. Alok says:

    Hi Ravi,
    I am looking for security, with springs and blazeds, which will connect to database and validate the user and password and maintains the session.

    Any links on this would be really helpful

    Thanks
    Alok

  6. swapnil gorane says:

    hello ravi sir,
    m a flex spring begginer so please help m ,
    please explain m step by step hello world prog, front end is flex and blazeDs spring using mysql database
    please

  7. Ravi Sharma says:

    Hi Swapnil,

    Flex + Spring + BlazeDS is a defacto combination for any enterprise level application. In this post I have uploaded a complete source code with desired API/ZAR files. This is will help you to setup you Spring+BlazeDS based environment. For creating a MySQL database connection with BlazeDS you have to write a JDBC code in your java files. For example you write JDBC code to retrieve country list in MapManager class (used in the above example).
    Hope this information is helpful to you.

    Regards,
    Ravi Sharma

  8. swapnil gorane says:

    thanku sir,
    but my problem is, how to connect flex with springSource tools(create flex code in springsource using flex plug in)

  9. Ravi Sharma says:

    Hi Swapnil,

    If you want to configure Adobe Flex Plugin into Spring Source Toolsuite (STS) on windows machine is not possible right now. You can configure on 64 bit Adobe Flex Plugin into STS tool but for windows environment 64bit version Adobe Flex plugin is not available… 😦

    Regards,
    Ravi Sharma

  10. swapnil gorane says:

    sir please give me video of this example,

  11. Hello Ravi, As you have mentioned Flex + Spring + BlazeDS is a defacto combination for any enterprise level application, I am also planning to migrate a legacy project using Flex+SBI, But some have raised concerns about lazy loading and performance issue in an application , where high scalability is required. Our application has 3 million hits in 12 hours and we want to maintain the average response time under 1sec and we have some time 5000+ concurent users, currently we are managing it with a cluster of 4 server. Now we expect the usage to double in next 2 years, so do you think that Flex+ Spring BlazeDS Integration can scale well for such a huge load ?

  12. Ravichandran J says:

    Hi Ravi,

    Thanks for a very useful tutorials.

    I am unable to download the files from “http://uploading.com/files/f22164bb/GeekTest_01.zip”, can please share the source files again.

    I tried to integrate with springRoo and did’t success. Please suggest.

    Thanks,
    Ravi

  13. ravi says:

    Hi Ravi,

    I am unable to download the files from “http://uploading.com/files/f22164bb/GeekTest_01.zip”, can please share the source files again.

  14. Prasanna says:

    Dear Ravi,

    Awesome and explained the newbies very easier,

    In the meantime the download link is not working. Can you upload the entire source again.

    Thanks,
    Prasanna

  15. Ashwin Thota says:

    Hello Ravi,

    Would you mind sharing the source files again…?

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