Why do I get the following Exception when running the program within a jar bundle, but not getting this Exception when executing it within netbeans?

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> **com.sun.jersey.api.client.ClientHandlerException: A message body reader for Java class javax.xml.bind.JAXBElement, and Java type javax.xml.bind.JAXBElement, and MIME media type text/xml;charset=UTF-8 was not found**
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I am building my program with maven and the assembly plugin.

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> mvn assembly:assembly
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What does netbeans do different when I am running "Run File"?