storage created CAMEL-12678:
-------------------------------

             Summary: Unmarshalling with JAXBContext does not work: JAXB 
2.3.0.1 in camel-spring-boot 2.22.0
                 Key: CAMEL-12678
                 URL: https://issues.apache.org/jira/browse/CAMEL-12678
             Project: Camel
          Issue Type: Bug
          Components: camel-spring-boot
    Affects Versions: 2.22.0
            Reporter: storage


* camel-spring-boot-starter 2.22.0
 ** camel-spring-boot 2.22.0
 ***  jaxb-core 2.3.0.1
 *** jaxb-impl 2.3.0.1

In some code we have we use JAXB to unmarschall some XML to a POJO class we 
have containing a RedeliveryPolicyDefinition  as a property. 
 This seems to fail without errors and the property remains null.

When we replace _*jaxb-core*_ and  _*jaxb-impl*_ version *2.3.0.1* to *2.2.11* 
the code seems to work again.

Unmarshalling code:
{code:java}
JAXBContext ctx = JAXBContext.newInstance(ErrorHandler.class);
JAXBElement<ErrorHandler> errorHandler = 
ctx.createUnmarshaller().unmarshal(beanList.item(i), ErrorHandler.class);
{code}
Pojo:
{code:java}
@Getter
@Setter
@XmlRootElement(name = "errorHandler", namespace = 
"http://camel.apache.org/schema/spring";)
@XmlAccessorType(XmlAccessType.FIELD)
public class ErrorHandler {
    @XmlAttribute
    private String id;
    @XmlElement
    private RedeliveryPolicyDefinition redeliveryPolicy;
    @XmlAttribute
    private org.apache.camel.spring.ErrorHandlerType type;
{code}
XML:
{code:xml}
<errorHandlers>
    <errorHandler xmlns="http://camel.apache.org/schema/spring"; id="eh-http" 
type="DefaultErrorHandler">
         <redeliveryPolicy maximumRedeliveries="4" redeliveryDelay="250" 
backOffMultiplier="2" useExponentialBackOff="true"/>
     </errorHandler>
</errorHandlers>
{code}



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