Camel bean binding tries to convert the body to Exchange - apache-camel

Question

I have a simple route which looks like this:
<route handleFault="true" streamCache="true" id="routeA">
<from uri="cxfrs://bean://simpleCxf" />
<log message="The message body contains ${body}"/>
<to uri="direct-vm:RouteB" />
</route>
<route handleFault="true" streamCache="true" id="routeB">
<from uri="direct-vm:RouteB" />
<bean ref="requestValidator" method="validateRequest" />
<log message="The input message ${body}" />
<bean ref="dbClient" method="queryDatabase" />
</route>
the cxf configuration is also pretty simple:
<cxf:rsServer id="simpleCxf" address="/test"
loggingFeatureEnabled="true"
serviceClass="com.gogol.test.TestResource">
</cxf:rsServer>
This simple route fails with the below exception
No type converter available to convert from type: org.apache.cxf.message.MessageContentsList to the required type: org.apache.camel.Exchange with value [com.gogol.test.resource.SimpleObject#773736ca]
This is the message history which suggests that it is failing at the point <bean ref="requestValidator" method="validateRequest" />
Message History
---------------------------------------------------------------------------------------------------------------------------------------
RouteId ProcessorId Processor Elapsed (ms)
[routeA] [routeA] [direct-vm://routeA ] [6]
[routeB] [log12 ] [log ] [2]
[routeB] [to9 ] [direct-vm:routeA ] [4]
[routeA] [bean26] [bean[ref:requestValidator method: validateRequest]] [2]
I think the issue is that Camel is trying to convert the body generated by cxf to an Exchange object. Because the requestValidator class has a method which has a signature of:
public void validateRequest(Exchange exchange) thows SomeException.
But ideally the message generated by cxf should be set as a body inside Exchange. Am I correct, if not then what could be the reason of the above exception?
EDIT:
I am using CXF version 3.0.4.redhat-621084
and CAMEL version 2.15.1.redhat-621084
{Caused by: org.apache.camel.InvalidPayloadException: No body available of type: org.apache.camel.Exchange but has value: [com.gogol.schema.TestResourcec#6b651b67] of type: org.apache.cxf.message.MessageContentsList on: Message: [com.gogol.schema.TestResourcec#6b651b67]. Caused by: No type converter available to convert from type: org.apache.cxf.message.MessageContentsList to the required type: org.apache.camel.Exchange with value [com.gogol.schema.TestResourcec#6b651b67]. Exchange[Message: [com.gogol.schema.TestResourcec#6b651b67]]. Caused by: [org.apache.camel.NoTypeConversionAvailableException - No type converter available to convert from type: org.apache.cxf.message.MessageContentsList to the required type: org.apache.camel.Exchange with value [com.gogol.schema.TestResourcec#6b651b67]]
at org.apache.camel.impl.MessageSupport.getMandatoryBody(MessageSupport.java:101)[198:org.apache.camel.camel-core:2.15.1.redhat-621084]
at org.apache.camel.builder.ExpressionBuilder$42.evaluate(ExpressionBuilder.java:1037)[198:org.apache.camel.camel-core:2.15.1.redhat-621084]
... 68 more
Caused by: org.apache.camel.NoTypeConversionAvailableException: No type converter available to convert from type: org.apache.cxf.message.MessageContentsList to the required type: org.apache.camel.Exchange with value [com.gogol.schema.TestResourcec#6b651b67]
at org.apache.camel.impl.converter.BaseTypeConverterRegistry.mandatoryConvertTo(BaseTypeConverterRegistry.java:177)[198:org.apache.camel.camel-core:2.15.1.redhat-621084]
at org.apache.camel.core.osgi.OsgiTypeConverter.mandatoryConvertTo(OsgiTypeConverter.java:122)[203:org.apache.camel.camel-spring:2.15.1.redhat-621084]
at org.apache.camel.impl.MessageSupport.getMandatoryBody(MessageSupport.java:99)[198:org.apache.camel.camel-core:2.15.1.redhat-621084]
... 69 more}

Answer 1

I am not positive on the camel xml dsl how to format this properly, but you can always explicitly tell camel to do a type conversion. You could test your theory by using a convertBodyTo call to force a type conversion.
from("myEndpoint")
.log("This is my previous object")
.convertBodyTo(TestResource.class)
.log("This is my object after a camel type conversion");