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Date: Tue, 11 Dec 2012 14:59:33 +0800
From: Willem jiang <willem.jiang@gmail.com>
To: users@camel.apache.org
Message-ID: <144B1BB72F5A426083DA187BECDE79E1@gmail.com>
In-Reply-To: <1355205786535-5723880.post@n5.nabble.com>
References: <1355205786535-5723880.post@n5.nabble.com>
Subject: Re: NoTypeConversionAvailableException : When using interface
 as Apache Camel Proxy
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What's the appUtil.extractResponse looks like=3F

Did you try to converter the message body into ServiceProviderRequest=3F

-- =20
Willem Jiang

Red Hat, Inc.
=46useSource is now part of Red Hat
Web: http://www.fusesource.com =7C http://www.redhat.com
Blog: http://willemjiang.blogspot.com (http://willemjiang.blogspot.com/) =
(English)
          http://jnn.iteye.com (http://jnn.javaeye.com/) (Chinese)
Twitter: willemjiang =20
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On Tuesday, December 11, 2012 at 2:03 PM, anand=5Ftech wrote:

> I have an interface which I am using as Camel Proxy
> <http://camel.apache.org/using-camelproxy.html> . My route is as below:=

> =20
> from(=22direct:services=22)
> .onException(Exception.class)
> .process(new Processor() =7B
> =40Override
> public void process(Exchange arg0) throws Exception =7B
> Exception e =3D arg0.getProperty(Exchange.EXCEPTION=5FCAUGHT,
> Exception.class);
> LOGGER.error(e, e.getMessage());
> =7D
> =7D).handled(true).end()
> .setHeader(Exchange.HTTP=5FURI, simple(=22=24=7Bbody.url=7D=22))
> .setHeader(Exchange.HTTP=5FMETHOD,simple(=22=24=7Bbody.httpMethod=7D=22=
))
> .setHeader(Exchange.CONTENT=5FTYPE, simple(=22=24=7Bbody.contentType=7D=
=22))
> .setBody(simple(=22=24=7Bbody.requestBody=7D=22))
> .choice()
> .when(simple(=22=24=7Bbody.proxyRequired=7D =3D=3D 'true'=22))
> .inOut(=22=7B=7Bhttp.urlProxy=7D=7D=22)
> .otherwise()
> .inOut(=22=7B=7Bhttp.url=7D=7D=22)
> .end()
> .setBody(bean(appUtil, =22extractResponse=22));
> =20
> =20
> The interface is : =20
> =20
> public interface ApiServices =7B
> =20
> ServiceProviderResponse performOperation(ServiceProviderRequest
> request);
> =20
> =7D
> =20
> And the ServiceProviderResponse and ServiceProviderRequest classes : =20
> =20
> public class ServiceProviderRequest =7B
> =20
> private String url;
> private String requestBody;
> private String httpMethod;
> private String contentType;
> private boolean proxyRequired;
> private Map<String, String> headers;
> =20
> //getters and setters
> =20
> =7D
> =20
> public class ServiceProviderResponse =7B
> =20
> private int statusCode;
> private String body;
> private String errorMessage;
> private String contentType;
> private String url;
> =20
> //getters and setters
> =7D
> =20
> This is how this whole thing is working : =20
> =20
> =40Produce(uri =3D =22direct:services=22)
> ApiServices appServices;
> =20
> ServiceProviderResponse response =3D =20
> appServices.performOperation(request);
> =20
> Earlier my interface's method was : =60ServiceProviderResponse
> performOperation(String url);=60 and it worked fine(ofcourse my route w=
as
> different earlier). So is it something that we cannot use custom object=

> types like this=3F The exception that I get : =20
> =20
> Caused by: org.apache.camel.InvalidPayloadException: No body available
> of type: com.common.util.ServiceProviderResponse but has value:
> BeanInvocation public abstract com.common.util.ServiceProviderResponse
> com.common.util.ApiServices.performOperation(com.common.util.ServicePro=
viderRequest)
> with =5Bcom.common.util.ServiceProviderRequest=404ce55b=5D=5D of type:
> org.apache.camel.component.bean.BeanInvocation on: Message: BeanInvocat=
ion
> public abstract com.common.util.ServiceProviderResponse
> com.common.util.ApiServices.performOperation(com.common.util.ServicePro=
viderRequest)
> with =5Bcom.common.util.ServiceProviderRequest=404ce55b=5D=5D. Caused b=
y: No type
> converter available to convert from type:
> org.apache.camel.component.bean.BeanInvocation to the required type:
> com.common.util.ServiceProviderResponse with value BeanInvocation publi=
c
> abstract com.common.util.ServiceProviderResponse
> com.common.util.ApiServices.performOperation(com.common.util.ServicePro=
viderRequest)
> with =5Bcom.common.util.ServiceProviderRequest=404ce55b=5D=5D. Exchange=
=5BMessage:
> BeanInvocation public abstract com.common.util.ServiceProviderResponse
> com.common.util.ApiServices.performOperation(com.common.util.ServicePro=
viderRequest)
> with =5Bcom.common.util.ServiceProviderRequest=404ce55b=5D=5D=5D. Cause=
d by:
> =5Borg.apache.camel.NoTypeConversionAvailableException - No type conver=
ter
> available to convert from type:
> org.apache.camel.component.bean.BeanInvocation to the required type:
> com.common.util.ServiceProviderResponse with value BeanInvocation publi=
c
> abstract com.common.util.ServiceProviderResponse
> com.common.util.ApiServices.performOperation(com.common.util.ServicePro=
viderRequest)
> with =5Bcom.common.util.ServiceProviderRequest=404ce55b=5D=5D=5D
> at
> org.apache.camel.impl.MessageSupport.getMandatoryBody(MessageSupport.ja=
va:102)
> at
> org.apache.camel.component.bean.AbstractCamelInvocationHandler.getBody(=
AbstractCamelInvocationHandler.java:58)
> at
> org.apache.camel.component.bean.AbstractCamelInvocationHandler.afterInv=
oke(AbstractCamelInvocationHandler.java:148)
> at
> org.apache.camel.component.bean.AbstractCamelInvocationHandler=241.call=
(AbstractCamelInvocationHandler.java:85)
> at java.util.concurrent.=46utureTask=24Sync.innerRun(Unknown Source)
> at java.util.concurrent.=46utureTask.run(Unknown Source)
> at
> org.apache.camel.component.bean.AbstractCamelInvocationHandler.invokeWi=
thbody(AbstractCamelInvocationHandler.java:101)
> at
> org.apache.camel.component.bean.CamelInvocationHandler.invoke(CamelInvo=
cationHandler.java:44)
> ... 43 more
> Caused by: org.apache.camel.NoTypeConversionAvailableException: No type=

> converter available to convert from type:
> org.apache.camel.component.bean.BeanInvocation to the required type:
> com.common.util.ServiceProviderResponse with value BeanInvocation publi=
c
> abstract com.common.util.ServiceProviderResponse
> com.common.util.ApiServices.performOperation(com.common.util.ServicePro=
viderRequest)
> with =5Bcom.common.util.ServiceProviderRequest=404ce55b=5D=5D
> at
> org.apache.camel.impl.converter.BaseTypeConverterRegistry.mandatoryConv=
ertTo(BaseTypeConverterRegistry.java:147)
> at
> org.apache.camel.impl.MessageSupport.getMandatoryBody(MessageSupport.ja=
va:100)
> ... 50 more
> =20
> Exception says something about TypeConverters, do I need to implement a=
 type
> converter also now =3F If yes how to do it=3F I have already gone throu=
gh Camel
> docs for type converter but I dont understand from it much.
> Also I guess most of you have understood what I want to achieve, so if =
you
> guys have any different methods to accomplish this or some suggestions,=

> please post it.
> =20
> =20
> =20
> =20
> =20
> =20
> =20
> --
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onversionAvailableException-When-using-interface-as-Apache-Camel-Proxy-tp=
5723880.html
> Sent from the Camel - Users mailing list archive at Nabble.com (http://=
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