Hi Robert,
From what you describe, it looks like you just need to call your web
services normally
from(...)
.to(webservice 1)
.to(webservice 2)
.to(resultQueue);
You must have the cxf component and your urls have to point to cxf web
services. Taking a look at camel-example-cxf may help.
Hadrian
Robert Thullner wrote:
Thanks for the reply.
I looked at both components, but I still have some understanding problems.
My problem is that I do not know how to trigger the webservice call from
camel.
Usually I have a rule:
from(...)
.to(...);
So I wait for an event and write the event to somewhere else.
My scenario is something like that.
from(...)
.call(webservice 1)
.call(webservice 2)
.to(resultQueue);
Do you have any tutorials for calling a service within a route? Or should it
be implemented somehow else?
I also tried to get request from a REST webservice and write it the result
to a queue, as the service is called from the browser window. I used the
jetty component for this, as the HttpComponent cannot be used as input
component.
My route looks like this:
from("jetty:http:localhost:8080/restapp-1.0.0/helloworld")
.to("activemq:queue:rest.queue");
But when I start the CamelContext I always get an exception (see below). I
have put the camel-http, camel-jetty, jetty, jetty-util and jetty-xbean jars
on my classpath, but there are still some classes missing. But I could not
find any jar file that includes the HttpClient class. What other jar files
do I need to get the JettyComponent working?
The exception is:
Exception in thread "main" java.lang.NoClassDefFoundError:
org/mortbay/jetty/client/HttpClient
at
org.apache.camel.component.jetty.JettyHttpComponent.createHttpClient(JettyHt
tpComponent.java:193)
at
org.apache.camel.component.jetty.JettyHttpComponent.doStart(JettyHttpCompone
nt.java:187)
at org.apache.camel.impl.ServiceSupport.start(ServiceSupport.java:51)
at org.apache.camel.util.ServiceHelper.startService(ServiceHelper.java:42)
at org.apache.camel.util.ServiceHelper.startServices(ServiceHelper.java:53)
at
org.apache.camel.impl.DefaultCamelContext.getComponent(DefaultCamelContext.j
ava:149)
at
org.apache.camel.impl.DefaultCamelContext.getEndpoint(DefaultCamelContext.ja
va:256)
at
org.apache.camel.util.CamelContextHelper.getMandatoryEndpoint(CamelContextHe
lper.java:48)
at org.apache.camel.model.RouteType.resolveEndpoint(RouteType.java:89)
at org.apache.camel.impl.RouteContext.resolveEndpoint(RouteContext.java:81)
at org.apache.camel.impl.RouteContext.resolveEndpoint(RouteContext.java:90)
at org.apache.camel.model.FromType.resolveEndpoint(FromType.java:66)
at org.apache.camel.impl.RouteContext.getEndpoint(RouteContext.java:59)
at org.apache.camel.model.RouteType.addRoutes(RouteType.java:179)
at org.apache.camel.model.RouteType.addRoutes(RouteType.java:80)
at org.apache.camel.model.RouteType.addRoutes(RouteType.java:71)
at
org.apache.camel.impl.DefaultCamelContext.startRouteDefinitions(DefaultCamel
Context.java:449)
at
org.apache.camel.impl.DefaultCamelContext.doStart(DefaultCamelContext.java:4
41)
at org.apache.camel.impl.ServiceSupport.start(ServiceSupport.java:51)
at eip.status.camel.routes.MessageBroker.main(MessageBroker.java:93)
Thanks for help
Robert
-----Ursprüngliche Nachricht-----
Von: Guillaume Nodet [mailto:[EMAIL PROTECTED]
Gesendet: Donnerstag, 27. Dezember 2007 17:04
An: [email protected]
Betreff: Re: Call Web Services from Camel
There is a CXF based component that you should be able to use it provided
that you configure it correctly for REST. Else, if you have problems to do
that using the HTTP component, let us know, as it should be able to work
too.
On Dec 27, 2007 3:45 PM, Robert Thullner <[EMAIL PROTECTED]> wrote:
Hi
Is it possible to invoke Web Services within my CamelContext?
Especially I want to invoke a REST service and a service implemented in
CXF or Axis.
My scenario is the following: When a jms message is received on a
queue, the REST service and the Axis service shall be invoked and the
results of the two services shall be passed back on some other queue?
Can this be done by using the Camel HTTP component or is it advisable
to just implement the Webservice calling in some Java class?
For me it would be a nice architecture if I could do the web service
calling in my camel context, so I could get it out of my Java classes.
So my question is if that can be done when using Camel?
Thanks for any suggestions
Robert
--
Cheers,
Guillaume Nodet
------------------------
Blog: http://gnodet.blogspot.com/
