Re: [servicemix-user] How to use HttpConnector?

Fri, 28 Oct 2005 13:02:42 -0700
I think you are facing a problem that JB pointed out on the thread "XSQL Component" 


" Hmm...not sure it will work like that.  The HTTPComponent is an inout 
binding, and invokes and returns the next service in the chain.  Since 
you are wanting to go one component past this chain, it will never reach 
it. "



   Check the answer by Guillaume to that same thread so you can see how 
to chain several services.


   Luck.

Simon Matic Langford wrote:


Hi,


I'm trying to use the HttpConnector to take the output from an 
application (in XML), send it through a XSL transformation and then 
put it out to another URL.


The config I have is:

...

        <component id="posLogIn" service="demo:posLogIn" 
class="org.servicemix.components.http.HttpConnector" 
destinationService="demo:convertPOSLogToPOSTransaction">


                <property name="host" value="localhost"/>
                <property name="port" value="8900"/>
                <property name="defaultInOut" value="false"/>
        </component>


        <component id="convertPOSLogToPOSTransaction" 
service="demo:convertPOSLogToPOSTransaction" 
class="org.servicemix.components.xslt.XsltComponent" 
destinationService="demo:xmlOneOut">



          <property name="xsltResource" 
value="classpath:poslog2postransaction.xsl"/>

        <property name="disableOutput" value="true"/>
        </component>


        <component id="xmlOneOut" service="demo:xmlOneOut" 
class="org.servicemix.components.http.HttpInvoker">
              <property name="url" 
value="http://localhost:8080/star-cop/hostSimulator"/>

        </component>
...


I am sending the XML from the application to _http://localhost:8900_ 
using an HTTP POST and including the xml in the body. The output I get 
from service mix is as follows:


15:45:09.908 EVENT  Starting Jetty/4.2.20RC0
15:45:09.970 EVENT  Started ServletHttpContext[/]
15:45:09.986 EVENT  Started SocketListener on 127.0.0.1:8900
15:45:10.001 EVENT  Started [EMAIL PROTECTED]
15:45:47.251 EVENT  jbiServlet: init

[INFO] DeliveryChannel - -default destination serviceName for posLogIn 
= {_http://www.pcmsgroup.com/demo}convertPOSLogToPOSTransaction_ 
<http://www.pcmsgroup.com/demo%7DconvertPOSLogToPOSTransaction>



[INFO] DeliveryChannel - -default destination serviceName for 
convertPOSLogToPOSTransaction = 
{_http://www.pcmsgroup.com/demo}xmlOneOut_ 
<http://www.pcmsgroup.com/demo%7DxmlOneOut>


; Line#: -1; Column#: -1
javax.xml.transform.TransformerException: Premature end of file.

        at 
org.apache.xalan.transformer.TransformerImpl.fatalError(TransformerImpl.java:739) 

        at 
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:715) 

        at 
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1129) 

        at 
org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1107) 

        at 
org.servicemix.components.xslt.XsltComponent.transformContent(XsltComponent.java:135) 

        at 
org.servicemix.components.xslt.XsltComponent.transform(XsltComponent.java:119) 

        at 
org.servicemix.components.util.TransformComponentSupport.onMessageExchange(TransformComponentSupport.java:48)



        at 
org.servicemix.jbi.messaging.DeliveryChannelImpl.processInBound(DeliveryChannelImpl.java:470) 

        at 
org.servicemix.jbi.nmr.flow.AbstractFlow.doRouting(AbstractFlow.java:172)
        at 
org.servicemix.jbi.nmr.flow.seda.SedaQueue.run(SedaQueue.java:205)
        at 
org.apache.geronimo.connector.work.WorkerContext.run(WorkerContext.java:291) 

        at 
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown 
Source)

        at java.lang.Thread.run(Thread.java:534)


I tried redirecting to a file rather than the XSL transform and got an 
empty file. Am I sending my data in incorrectly, or is there a way of 
debugging what is happening inside the connector?


I am using version 1.1.


Thanks


Simon



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