[jira] [Created] (CXF-6983) org.apache.cxf.jaxrs.provider.AbstractJAXBProvider#handleJAXBException doubles the error text for unmarshalling errors

["Mike Golod (JIRA)" <ji...@apache.org>]

Mike Golod created CXF-6983:
-------------------------------

             Summary: org.apache.cxf.jaxrs.provider.AbstractJAXBProvider#handleJAXBException doubles the error text for unmarshalling errors
                 Key: CXF-6983
                 URL: https://issues.apache.org/jira/browse/CXF-6983
             Project: CXF
          Issue Type: Improvement
          Components: JAX-RS
    Affects Versions: 3.1.6
         Environment: CXF 3.1.6 with JAXB annotated beans
            Reporter: Mike Golod
            Priority: Trivial


When unmarshal json payload to JAXB annotated bean sometimes we can get an UnmarshallingException (e.g. for dates). That exception already contains very descriptive message. AbstractJAXBProvider#handleExceptionStart extracts it. Then in AbstractJAXBProvider#handleJAXBException:
{code:title=AbstractJAXBProvider#handleJAXBException}
if (linked != null && linked.getMessage() != null) {
            Throwable cause = linked;
            while (read && cause != null) {
                if (cause instanceof XMLStreamException && cause.getMessage().startsWith("Maximum Number")) {
                    throw ExceptionUtils.toWebApplicationException(null, JAXRSUtils.toResponse(413)); 
                }
                if (cause instanceof DepthExceededStaxException) {
                    throw ExceptionUtils.toWebApplicationException(null, JAXRSUtils.toResponse(413)); 
                }
                cause = cause.getCause();
            }
            sb.append(linked.getMessage()).append(". "); // this causes the problem
        }
{code}

This code adds another message from linked exception. Message text is the same.




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