Why SpringActionsScript 1.2-SNAPSHOT sometime throws below Error,And most time normal. any body can fix it. is MVCControllerObjectFactoryPostProcessor work wrong?


all my SAS 1.2-SNAPSHOT and as3commons source checked from svn the newest,use flex SDK 4.5.0.20967\flexmojos 4.0-beta-7 compiled

my application-context.xml
Code:
<?xml version="1.0" encoding="UTF-8"?>
<objects>	
	<property file="global.cfg" prevent-cache="false" required="true"/>
	<object id="mvcFactory" class="org.springextensions.actionscript.core.mvc.MVCControllerObjectFactoryPostProcessor" />
	<context:metadata-config/>
  	<context:component-scan base-package="com.yotexs"/>

	 <object id="socketHost" class="String"><constructor-arg value="${socketHost}"/></object>	
	 <object id="socketPort" class="String"><constructor-arg value="${socketPort}"/></object>
	 
	<object id="channelSet" class="mx.messaging.ChannelSet">
		<property name="heartbeatInterval" value="110000" />
		<method-invocation name="addChannel">
			<arg>
				<object id="my_amf" class="mx.messaging.channels.AMFChannel">
					<constructor-arg value="my-amf" />
					<constructor-arg value="http://${server.name}:${server.port}${context.root}/messagebroker/amf" />
					<property name="id" value="my-amf" />
					<property name="pollingEnabled" value="false" />
				</object>
			</arg>
		</method-invocation>
	</object>	
</objects>
Code:
Error: No object named 'SpringActionScriptMVCController' is defined.
	at org.springextensions.actionscript.ioc.autowire::DefaultAutowireProcessor/_getObjectDefinition()
	at org.springextensions.actionscript.ioc.autowire::DefaultAutowireProcessor/determinePrimaryCandidate()
	at org.springextensions.actionscript.ioc.autowire::DefaultAutowireProcessor/findAutowireCandidateName()
	at org.springextensions.actionscript.ioc.autowire::DefaultAutowireProcessor/autoWireFieldByType()
	at org.springextensions.actionscript.ioc.autowire::DefaultFlexAutowireProcessor/autoWireField()
	at org.springextensions.actionscript.ioc.autowire::DefaultAutowireProcessor/autoWire()
	at org.springextensions.actionscript.ioc.factory.support::AbstractObjectFactory/wire()
	at org.springextensions.actionscript.ioc.factory.support::AbstractObjectFactory/buildObject()
	at org.springextensions.actionscript.ioc.factory.support::AbstractObjectFactory/getObject()
	at org.springextensions.actionscript.ioc.factory.support::DefaultListableObjectFactory/preInstantiateSingletonsWithObjectDefinition()
	at org.springextensions.actionscript.ioc.factory.support::DefaultListableObjectFactory/preInstantiateSingletons()
	at org.springextensions.actionscript.context.support::AbstractApplicationContext/resourceLoadQueue_completeHandler()
	at flash.events::EventDispatcher/dispatchEventFunction()
	at flash.events::EventDispatcher/dispatchEvent()
	at org.springextensions.actionscript.core.operation::AbstractOperation/dispatchCompleteEvent()
	at org.springextensions.actionscript.core.operation::OperationQueue/operation_completeHandler()
	at flash.events::EventDispatcher/dispatchEventFunction()
	at flash.events::EventDispatcher/dispatchEvent()
	at org.springextensions.actionscript.core.operation::AbstractOperation/dispatchCompleteEvent()
	at org.springextensions.actionscript.core.operation::OperationQueue/operation_completeHandler()
	at flash.events::EventDispatcher/dispatchEventFunction()
	at flash.events::EventDispatcher/dispatchEvent()
	at org.springextensions.actionscript.core.operation::AbstractOperation/dispatchCompleteEvent()
	at org.springextensions.actionscript.core.io.support::LoadPropertiesOperation/properties_completeHandler()
	at flash.events::EventDispatcher/dispatchEventFunction()
	at flash.events::EventDispatcher/dispatchEvent()
	at org.springextensions.actionscript.collections::Properties/LoaderComplete_handler()
	at flash.events::EventDispatcher/dispatchEventFunction()
	at flash.events::EventDispatcher/dispatchEvent()
	at flash.net::URLLoader/onComplete()