Program: 65790
Project: 65790
Buggy source:
/** 
 * Convenience method for creating an XmlBindings object based on a given Object. The method will load the eclipselink metadata model and unmarshal the Object. This assumes that the Object represents the eclipselink-oxm.xml metadata file to be unmarshalled.
 * @param metadata assumed to be one of:  File, InputSource, InputStream, Reader, Source
 */
private static XmlBindings getXmlBindings(Object metadata,ClassLoader classLoader,Map<String,Object> properties){
  XmlBindings xmlBindings=null;
  Unmarshaller unmarshaller;
  JAXBContext jaxbContext=CompilerHelper.getXmlBindingsModelContext();
  try {
    unmarshaller=jaxbContext.createUnmarshaller();
    if (metadata instanceof File) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((File)metadata);
    }
 else     if (metadata instanceof InputSource) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((InputSource)metadata);
    }
 else     if (metadata instanceof InputStream) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((InputStream)metadata);
    }
 else     if (metadata instanceof Node) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((Node)metadata);
    }
 else     if (metadata instanceof Reader) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((Reader)metadata);
    }
 else     if (metadata instanceof Source) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((Source)metadata);
    }
 else     if (metadata instanceof URL) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((URL)metadata);
    }
 else     if (metadata instanceof XMLEventReader) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((XMLEventReader)metadata);
    }
 else     if (metadata instanceof XMLStreamReader) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((XMLStreamReader)metadata);
    }
 else     if (metadata instanceof MetadataSource) {
      xmlBindings=((MetadataSource)metadata).getXmlBindings(properties,classLoader);
    }
 else     if (metadata instanceof String) {
      URL url=null;
      try {
        url=new URL((String)metadata);
      }
 catch (      MalformedURLException ex) {
        url=classLoader.getResource((String)metadata);
      }
      if (url != null) {
        xmlBindings=(XmlBindings)unmarshaller.unmarshal(url);
      }
 else {
        throw org.eclipse.persistence.exceptions.JAXBException.unableToLoadMetadataFromLocation((String)metadata);
      }
    }
 else {
      throw org.eclipse.persistence.exceptions.JAXBException.incorrectValueParameterTypeForOxmXmlKey();
    }
  }
 catch (  JAXBException jaxbEx) {
    throw org.eclipse.persistence.exceptions.JAXBException.couldNotUnmarshalMetadata(jaxbEx);
  }
  return xmlBindings;
}

Fixed version (ground truth):
/** 
 * Convenience method for creating an XmlBindings object based on a given Object. The method will load the eclipselink metadata model and unmarshal the Object. This assumes that the Object represents the eclipselink-oxm.xml metadata file to be unmarshalled.
 * @param metadata assumed to be one of:  File, InputSource, InputStream, Reader, Source
 */
private static XmlBindings getXmlBindings(Object metadata,ClassLoader classLoader,Map<String,Object> properties){
  XmlBindings xmlBindings=null;
  Unmarshaller unmarshaller;
  JAXBContext jaxbContext=CompilerHelper.getXmlBindingsModelContext();
  try {
    unmarshaller=jaxbContext.createUnmarshaller();
    if (metadata instanceof File) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((File)metadata);
    }
 else     if (metadata instanceof InputSource) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((InputSource)metadata);
    }
 else     if (metadata instanceof InputStream) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((InputStream)metadata);
    }
 else     if (metadata instanceof Node) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((Node)metadata);
    }
 else     if (metadata instanceof Reader) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((Reader)metadata);
    }
 else     if (metadata instanceof Source) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((Source)metadata);
    }
 else     if (metadata instanceof URL) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((URL)metadata);
    }
 else     if (metadata instanceof XMLEventReader) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((XMLEventReader)metadata);
    }
 else     if (metadata instanceof XMLStreamReader) {
      xmlBindings=(XmlBindings)unmarshaller.unmarshal((XMLStreamReader)metadata);
    }
 else     if (metadata instanceof MetadataSource) {
      xmlBindings=((MetadataSource)metadata).getXmlBindings(properties,classLoader);
    }
 else     if (metadata instanceof String) {
      if (((String)metadata).length() == 0) {
        throw org.eclipse.persistence.exceptions.JAXBException.unableToLoadMetadataFromLocation((String)metadata);
      }
      URL url=null;
      try {
        url=new URL((String)metadata);
      }
 catch (      MalformedURLException ex) {
        url=classLoader.getResource((String)metadata);
      }
      if (url != null) {
        xmlBindings=(XmlBindings)unmarshaller.unmarshal(url);
      }
 else {
        throw org.eclipse.persistence.exceptions.JAXBException.unableToLoadMetadataFromLocation((String)metadata);
      }
    }
 else {
      throw org.eclipse.persistence.exceptions.JAXBException.incorrectValueParameterTypeForOxmXmlKey();
    }
  }
 catch (  JAXBException jaxbEx) {
    throw org.eclipse.persistence.exceptions.JAXBException.couldNotUnmarshalMetadata(jaxbEx);
  }
  return xmlBindings;
}