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Asked: 2026-06-18T04:42:18+00:00

I am getting a NullPointerException while invoking a REST webservice hosted on Tomcat. The

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I am getting a NullPointerException while invoking a REST webservice hosted on Tomcat. The route looks something like:

    <route>
        <from uri="rabbitmq:exchange:queue"/>
    <to uri="http://localhost:8080/rest-webservice/service/execute?message=${body}" /></route>

I have written a custom type convertor which converts the object I read from the rabbitMQ into a String XML. I need to send this as a parameter to the web service.

I used the &lt;log message="message: ${body}" /&gt; after reading from the rabbitMQ and the type convertor successfully converts the object into String.

Caused by: org.apache.camel.TypeConversionException: Error during type conversion from type: java.lang.String to the required type: org.apache.commons.httpclient.methods.RequestEntity with value

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1 Answer

  1. Editorial Team

    You can’t use dynamic expressions like ${body} in the to operation in an endpoint URI. Use recipientList instead if you need to compute a URI dynamically: http://camel.apache.org/how-do-i-use-dynamic-uri-in-to.html

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