how to set jms message custom header using xpath in camel route -

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i using camel route builder move 1 activemq jms message 1 queue setting custom header, using xpath read node value xml. nothing has been set. please suggest if know answer.

from("activemq:com.queue1")     .setheader("ordernumber").xpath("/orderrequest/authnumber")                     .to("activemq:com.queue2")             .end();

xml 

<?xml version="1.0" encoding="utf-8" standalone="yes"?> <ns3:orderrequest xmlns:ns2="http://www.company.com/services/entity/v1"                    xmlns:ns3="http://www.company.com/services/dataobject/v1">         <authnumber>a81585</authnumber> </ns3:orderrequest>

xml namespaces requires name spaces setup correctly.

you need setup namespace handler this:

namespaces ns = new namespaces("ns3", "http://www.company.com/services/dataobject/v1");  .... xpath("/ns3:orderrequest/ns3:authnumber",ns) ...

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