Why setting transferExchange to enabled throws a NullPointer Exception inside the main Camel Route ?

Solution Unverified - Updated -

Issue

  • Inside the blueprint are defined 2 routes. The main is:
<route id="WebServiceRoute">
    <from uri="cxfrs:bean:rsServer?resourceClasses=ws.platform.rest.service.TestService" />
    <inOnly uri="amq:queue:TestQ?transferExchange=true" />
        .
        .
        .
</route>
  • The second route is defined as following :
<camel:route id="testRoute" errorHandlerRef="DefaultErrorHandler" >
    <from uri="amq:queue:TestQ?transferExchange=true" />    
  • Setting the option transferExchange="true", during the test is throws the following exception:
2015-04-23 03:59:58,308 | WARN  | 176568118-109212 | WebApplicationExceptionMapper    | pl.WebApplicationExceptionMapper   73 | 1510 - org.apache.cxf.cxf-rt-frontend-jaxrs - 2.7.0.redhat-611412 | javax.ws.rs.WebApplicationException: org.apache.camel.RuntimeCamelException: java.lang.NullPointerException
        at org.apache.camel.component.cxf.jaxrs.CxfRsInvoker.returnResponse(CxfRsInvoker.java:161)
        at org.apache.camel.component.cxf.jaxrs.CxfRsInvoker.asyncInvoke(CxfRsInvoker.java:107)
        at org.apache.camel.component.cxf.jaxrs.CxfRsInvoker.performInvocation(CxfRsInvoker.java:57)
.........
Caused by: org.apache.camel.RuntimeCamelException: java.lang.NullPointerException
        at org.apache.camel.util.ObjectHelper.wrapRuntimeCamelException(ObjectHelper.java:1363)
        at org.apache.camel.util.ObjectHelper.invokeMethod(ObjectHelper.java:1005)
.........
Caused by: java.lang.NullPointerException
        at java.util.Hashtable.put(Hashtable.java:514)
        at java.util.Hashtable.putAll(Hashtable.java:587)
        at java.util.Hashtable.<init>(Hashtable.java:297)
        at org.apache.camel.converter.CollectionConverter.toHashtable(CollectionConverter.java:114)
  • So how can I fix that?

Environment

  • Red Hat JBoss Fuse
    • 6.1.0

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