Flex异常的处理

今天玩Flex的时候，出现一个异常，上网查了一下，把解决办法贴出来了......
[RPC Fault faultString="Send failed" faultCode="Client.Error.MessageSend" faultDetail="Channel.Connect.Failed error NetConnection.Call.Failed: HTTP: Failed: url: 'http://localhost:8080/***/messagebroker/amf'"]
at mx.rpc::AbstractInvoker/http://www.adobe.com/2006/flex/mx/internal::faultHandler()[C:\autobuild\3.2.0\frameworks\projects\rpc\src\mx\rpc\AbstractInvoker.as:220]
at mx.rpc::Responder/fault()[C:\autobuild\3.2.0\frameworks\projects\rpc\src\mx\rpc\Responder.as:53]
at mx.rpc::AsyncRequest/fault()[C:\autobuild\3.2.0\frameworks\projects\rpc\src\mx\rpc\AsyncRequest.as:103]
at mx.messaging::ChannelSet/faultPendingSends()[C:\autobuild\3.2.0\frameworks\projects\rpc\src\mx\messaging\ChannelSet.as:1482]
at mx.messaging::ChannelSet/channelFaultHandler()[C:\autobuild\3.2.0\frameworks\projects\rpc\src\mx\messaging\ChannelSet.as:975]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.messaging::Channel/connectFailed()[C:\autobuild\3.2.0\frameworks\projects\rpc\src\mx\messaging\Channel.as:997]
at mx.messaging.channels::PollingChannel/connectFailed()[C:\autobuild\3.2.0\frameworks\projects\rpc\src\mx\messaging\channels\PollingChannel.as:354]
at mx.messaging.channels::AMFChannel/statusHandler()[C:\autobuild\3.2.0\frameworks\projects\rpc\src\mx\messaging\channels\AMFChannel.as:390]

Flex Server rootURL与Context root配置出错,正确配置请看图片..