how to use xslt invok different webservices based on SOAP message in 3.0

[you2005 <yp...@163.com>]

i use the lastest version of servicemix
now i need use xslt to invoke different webservice based on the soap
request, this request contains the webservice method and parameters which
will be invoked.now 

my soap request was:
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:jbi="xalan://org.apache.servicemix.components.xslt.XalanExtension"
  extension-element-prefixes="jbi"
  xmlns:foo="http://servicemix.org/cheese/"  version="1.0">

  <xsl:template match="/*">
    <xsl:choose>

      <!-- lets forward the inbound message to a service -->
      <xsl:when test="@a">
        <jbi:forward service="foo:stockQuote"/>
      </xsl:when>
     
    </xsl:choose>
  </xsl:template>

</xsl:stylesheet>

my servicemix.xml file was:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:sm="http://servicemix.apache.org/config/1.0"
       xmlns:foo="http://servicemix.org/demo/">
    
  <!-- the JBI container -->
  <sm:container id="jbi"
  		useMBeanServer="true"
  		createMBeanServer="true"
  		dumpStats="true"
  		statsInterval="10">
  		
  	<sm:activationSpecs>
  	
		<!-- Create a http server binding on port 8912  and have it forward to the
foo:stockQuote -->	
  		<sm:activationSpec componentName="httpReceiver" 	
  						   service="foo:httpBinding"
  						   endpoint="httpReceiver"
  						   destinationService="foo:transformer">
  		  <sm:component>
  		    <bean class="org.apache.servicemix.components.http.HttpConnector">
			      <property name="host" value="localhost"/>
			      <property name="port" value="8912"/>
  		    </bean>
  		  </sm:component>
  		</sm:activationSpec>
  	
  	
<sm:activationSpec componentName="transformer" service="foo:transformer">
  <sm:component><bean
class="org.apache.servicemix.components.xslt.XsltComponent" >
    <property name="xsltResource" value="router.xsl"/>

    <!-- lets disable automatic output of the result of the transform; only
if we perform
        an invoke in the XSLT will we invoke another endpoint -->
    <property name="disableOutput" value="true"/>
  </bean></sm:component>
</sm:activationSpec>

  	
		<!-- This just invokes another service -->
  		<sm:activationSpec componentName="stockQuote" 	
  						   service="foo:stockQuote"
  						   endpoint="stockQuote">
  		  <sm:component>
  		    <bean class="org.apache.servicemix.components.saaj.SaajBinding">
			      <property name="soapEndpoint">
				      <bean class="javax.xml.messaging.URLEndpoint">
					      <constructor-arg
value="http://localhost:8081/axis/services/MagicThermoDIIClient"/>
				      </bean>
			      </property>
  		    </bean>
  		  </sm:component>
  		</sm:activationSpec>
  		
  	</sm:activationSpecs>
  </sm:container>
  
</beans>

and my router.xsl file was:


<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:jbi="xalan://org.apache.servicemix.components.xslt.XalanExtension"
  extension-element-prefixes="jbi"
  xmlns:foo="http://servicemix.org/cheese/"  version="1.0">

  <xsl:template match="/*">
    <xsl:choose>

      <!-- lets forward the inbound message to a service -->
      <xsl:when test="@a">
        <jbi:forward service="foo:stockQuote"/>
      </xsl:when>
     
    </xsl:choose>
  </xsl:template>

</xsl:stylesheet>
when i run ,there is exception:
:WARN:  EXCEPTION
javax.servlet.ServletException: illegal exchange status: done
        at
org.apache.servicemix.components.http.HttpInOutBinding.processInOut(H
ttpInOutBinding.java:63)
        at
org.apache.servicemix.components.http.HttpInOutBinding.process(HttpIn
OutBinding.java:44)
        at
org.apache.servicemix.components.http.BindingServlet.doPost(BindingSe
rvlet.java:75)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:615)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:688)
        at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:423
)
        at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:3
55)
        at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:5
67)
        at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:1
19)
        at org.mortbay.jetty.Server.handle(Server.java:248)
        at
org.mortbay.jetty.HttpConnection.handlerRequest(HttpConnection.java:3
60)
        at
org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnectio
n.java:628)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:611)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:197)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:288)
        at
org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.
java:180)
        at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool
.java:475)
pls help me solve it

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