Spring + DWR not works (please help)

[Steve Taiwan]

I am testing Spring + DWR.
This should be very easy but the integration never works.
I have been getting stuck here for a week.
Can someone tell me what's wrong?

My Action is to access the following URL link:
http://localhost:8080/myapp/dwr
****************************************
Application Spec.
Tomcat 4.1.36
Spring 2.5
DWR 2.0
JDK 1.4.2_10-b02
****************************************
All Jar Files in WEB-INF\lib
asm-2.2.3.jar
asm-commons-2.2.3.jar
asm-util-2.2.3.jar
backport-util-concurrent.jar
bsf-2.3.jar
bsh-2.0b4.jar
cglib-nodep-2.1_3.jar
commons-beanutils.jar
commons-collections.jar
commons-lang.jar
commons-logging.jar
dom4j-1.6.1.jar
dwr.jar
ehcache-1.2.4.jar
jakarta-oro-2.0.8.jar
jasperreports-2.0.2.jar
jaxen-1.1-beta-7.jar
log4j-1.2.12.jar
spring-webmvc.jar
spring.jar
*************************************
web.xml

    
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
     PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
    "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<display-name>Your team project name</display-name>
<description>
  Team N servlets.
</description>
 
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param>
<servlet>
  <servlet-name>dwr</servlet-name>
  <servlet-class>org.directwebremoting.spring.DwrSpringServlet</servlet-class>
  <init-param>
    <param-name>debug</param-name>
    <param-value>true</param-value>
  </init-param>
</servlet>
<servlet-mapping>
    <servlet-name>dwr</servlet-name>
    <url-pattern>/dwr/*</url-pattern>
</servlet-mapping>
</web-app>

*******************************************
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   :mrgreen:   wr="http://www.directwebremoting.org/schema/spring-dwr"
  xsi:schemaLocation="http://www.springframework.org/schema/beans
    <a href="http://www.springframework.org/schema/beans/spring-beans-2.0.xsd" target="_blank" rel="nofollow">http://www.springframework.org/schema/beans/spring-beans-2.0.xsd</a>
    <a href="http://www.directwebremoting.org/schema/spring-dwr" target="_blank" rel="nofollow">http://www.directwebremoting.org/schema/spring-dwr</a>
    <a href="http://www.directwebremoting.org/schema/spring-dwr-2.0.xsd">" target="_blank" rel="nofollow">http://www.directwebremoting.org/schema/spring-dwr-2.0.xsd"></a>
      
<dwr:configuration/>

<dwr:controller id="dwrController" debug="true"/>
 
<bean id="demo" class="org.getahead.dwrdemo.simpletext.Demo"/>

</beans>

***************************************
Message on the console

    
18:13:30,801 DEBUG [xml.XmlBeanDefinitionReader] Loaded 3 bean definitions from
location pattern [applicationContext.xml]
18:13:30,801 INFO  [support.ClassPathXmlApplicationContext] Bean factory for app
lication context [org.springframework.context.support.ClassPathXmlApplicationCon
text@c063ad]: org.springframework.beans.factory.support.DefaultListableBeanFactory@31fb31
18:13:30,801 DEBUG [support.ClassPathXmlApplicationContext] 3 beans defined in o
rg.springframework.context.support.ClassPathXmlApplicationContext@c063ad: displa
y name [org.springframework.context.support.ClassPathXmlApplicationContext@c063a
d]; startup date [Thu May 08 18:13:30 CST 2008]; root of context hierarchy
18:13:30,841 DEBUG [support.ClassPathXmlApplicationContext]  [B]Unable to locate Mes
sageSource with name 'messageSource': using default [org.springframework.context
.support.DelegatingMessageSource@1e91a4d][/B]
18:13:30,851 DEBUG [support.ClassPathXmlApplicationContext]  [B]Unable to locate App
licationEventMulticaster with name 'applicationEventMulticaster': using default
[org.springframework.context.event.SimpleApplicationEventMulticaster@2cbc86][/B]
18:13:30,851 INFO  [support.DefaultListableBeanFactory] Pre-instantiating single
tons in org.springframework.beans.factory.support.DefaultListableBeanFactory@31f
b31: defining beans [__dwrConfiguration,dwrController,demo]; root of factory hierarchy
18:13:30,861 DEBUG [support.DefaultListableBeanFactory] Creating shared instance
 of singleton bean '__dwrConfiguration'
18:13:30,861 DEBUG [support.DefaultListableBeanFactory] Creating instance of bea
n '__dwrConfiguration' with merged definition [Root bean: class [org.directwebre
moting.spring.SpringConfigurator]; scope=singleton; abstract=false; lazyInit=fal
se; autowireCandidate=true; autowireMode=0; dependencyCheck=0; factoryBeanName=n
ull; factoryMethodName=null; initMethodName=null; destroyMethodName=null]
18:13:30,921 DEBUG [support.DefaultListableBeanFactory] Eagerly caching bean '__
dwrConfiguration' to allow for resolving potential circular references
18:13:30,951 DEBUG [support.DefaultListableBeanFactory] Creating shared instance
 of singleton bean 'dwrController'
18:13:30,951 DEBUG [support.DefaultListableBeanFactory] Creating instance of bea
n 'dwrController' with merged definition [Root bean: class [org.directwebremotin
g.spring.DwrController]; scope=singleton; abstract=false; lazyInit=false; autowi
reCandidate=true; autowireMode=0; dependencyCheck=0; factoryBeanName=null; facto
ryMethodName=null; initMethodName=null; destroyMethodName=null]
18:13:30,951 DEBUG [support.DefaultListableBeanFactory] Eagerly caching bean 'dw
rController' to allow for resolving potential circular references
18:13:30,951 DEBUG [support.DefaultListableBeanFactory] Returning cached instanc
e of singleton bean '__dwrConfiguration'
18:13:31,021 INFO  [support.DefaultListableBeanFactory] Destroying singletons in
 org.springframework.beans.factory.support.DefaultListableBeanFactory@31fb31: de
fining beans [__dwrConfiguration,dwrController,demo]; root of factory hierarchy

************************************************
Error message returned by JSP page

    
java.lang.IllegalStateException: No WebApplicationContext found: no ContextLoade
rListener registered?
        at org.springframework.web.context.support.WebApplicationContextUtils.ge
tRequiredWebApplicationContext(WebApplicationContextUtils.java:86)
        at org.directwebremoting.spring.DwrSpringServlet.init(DwrSpringServlet.java:88)
        at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:880)
        at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:613)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:164)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:955)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:139)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:955)
        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2460)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:119)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:955)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:955)
        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:157)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
        at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
        at java.lang.Thread.run(Thread.java:534)
        
java.lang.NullPointerException
at org.directwebremoting.spring.DwrSpringServlet.init(DwrSpringServlet.java:136)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:880)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:613)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:164)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:955)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:139)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:955)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2460)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:119)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:955)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:955)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:157)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
at java.lang.Thread.run(Thread.java:534)

[ May 12, 2008: Message edited by: Steve Taiwan ]
[ May 12, 2008: Message edited by: Steve Taiwan ]