Getting a Header property on a exception in the DSL

[abdiels]

Hello,

    I am trying to print the client id on a exception message like this:

        from("seda:AddDataToCache").routeId("AddDataToCache")
            .threads()
            .choice()
                .when(header("CamelJdbcRowCount").isEqualTo(0))
                    .log("No database record")
                    .throwException(new
ConfigurationNotFoundException("Client Configuration not found for clientid:
${header." + FMSHeaders.CLIENT_ID + "}"))
                .otherwise()
                    .log("FOUND database record")
            .end()
        ;

Now that of course does not work since we are passing a string to a
constructor and the simple language will not kick in...I tried this

new ConfigurationNotFoundException((new SimpleBuilder(
                            "Client Configuration not found for clientid:
${header." + FMSHeaders.CLIENT_ID + "}")).evaluate(???,String.class)) 

but I don't know how to get the exchange...Is there a way to accomplish
putting this client id here?  I know I can get in the error handler itself
for example and I could do other things, but I am wondering if there is a
way to just grab data like this from the message sort of mixing simple with
strings.  Please let me know your thoughts.

Thank you,

Abdiel




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