Program: 64787
Project: 64787
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){
  JAXBContext jaxbContext=CompilerHelper.getXmlBindingsModelContext();
  BufferedReader metadataBufferedReader=null;
  try {
    Unmarshaller unmarshaller=jaxbContext.createUnmarshaller();
    if (metadata instanceof File) {
      metadataBufferedReader=new BufferedReader(new FileReader((File)metadata));
    }
 else     if (metadata instanceof InputSource) {
      if (((InputSource)metadata).getByteStream() != null) {
        metadataBufferedReader=new BufferedReader(new InputStreamReader(((InputSource)metadata).getByteStream()));
      }
 else       if (((InputSource)metadata).getCharacterStream() != null) {
        metadataBufferedReader=new BufferedReader(((InputSource)metadata).getCharacterStream());
      }
    }
 else     if (metadata instanceof InputStream) {
      metadataBufferedReader=new BufferedReader(new InputStreamReader(((InputStream)metadata)));
    }
 else     if (metadata instanceof Node) {
      return (XmlBindings)unmarshaller.unmarshal((Node)metadata);
    }
 else     if (metadata instanceof Reader) {
      metadataBufferedReader=new BufferedReader((Reader)metadata);
    }
 else     if (metadata instanceof Source) {
      Source source=(Source)metadata;
      if (source instanceof StreamSource) {
        StreamSource ss=(StreamSource)metadata;
        if (ss.getInputStream() != null) {
          metadataBufferedReader=new BufferedReader(new InputStreamReader(ss.getInputStream()));
        }
 else         if (ss.getReader() != null) {
          metadataBufferedReader=new BufferedReader(ss.getReader());
        }
 else         if (ss.getSystemId() != null) {
          URL url=getURLFromString((String)ss.getSystemId(),classLoader);
          if (url != null) {
            metadataBufferedReader=new BufferedReader(new InputStreamReader(url.openStream()));
          }
 else {
            throw org.eclipse.persistence.exceptions.JAXBException.unableToLoadMetadataFromLocation((String)metadata);
          }
        }
      }
 else       if (source instanceof DOMSource) {
        return (XmlBindings)unmarshaller.unmarshal((DOMSource)source);
      }
 else       if (source instanceof SAXSource) {
        return (XmlBindings)unmarshaller.unmarshal((SAXSource)source);
      }
    }
 else     if (metadata instanceof URL) {
      metadataBufferedReader=new BufferedReader(new InputStreamReader(((URL)metadata).openStream()));
    }
 else     if (metadata instanceof XMLEventReader) {
      return (XmlBindings)unmarshaller.unmarshal((XMLEventReader)metadata);
    }
 else     if (metadata instanceof XMLStreamReader) {
      return (XmlBindings)unmarshaller.unmarshal((XMLStreamReader)metadata);
    }
 else     if (metadata instanceof MetadataSource) {
      return ((MetadataSource)metadata).getXmlBindings(properties,classLoader);
    }
 else     if (metadata instanceof String) {
      URL url=getURLFromString((String)metadata,classLoader);
      if (url != null) {
        metadataBufferedReader=new BufferedReader(new InputStreamReader(url.openStream()));
      }
 else {
        throw org.eclipse.persistence.exceptions.JAXBException.unableToLoadMetadataFromLocation((String)metadata);
      }
    }
 else {
      throw org.eclipse.persistence.exceptions.JAXBException.incorrectValueParameterTypeForOxmXmlKey();
    }
    if (metadataBufferedReader != null) {
      boolean isJSON=isJSONFormat(metadataBufferedReader);
      StreamSource metadataSource=new StreamSource(metadataBufferedReader);
      if (isJSON) {
        return getXmlBindingsByMediaType(unmarshaller,metadataSource,classLoader,properties,"String_Node_Str");
      }
 else {
        return getXmlBindingsByMediaType(unmarshaller,metadataSource,classLoader,properties,"String_Node_Str");
      }
    }
 else {
      throw org.eclipse.persistence.exceptions.JAXBException.incorrectValueParameterTypeForOxmXmlKey();
    }
  }
 catch (  IOException ioException) {
    throw org.eclipse.persistence.exceptions.JAXBException.couldNotUnmarshalMetadata(ioException);
  }
catch (  javax.xml.bind.JAXBException ex) {
    throw org.eclipse.persistence.exceptions.JAXBException.couldNotUnmarshalMetadata(ex);
  }
}

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){
  JAXBContext jaxbContext=CompilerHelper.getXmlBindingsModelContext();
  BufferedReader metadataBufferedReader=null;
  try {
    Unmarshaller unmarshaller=jaxbContext.createUnmarshaller();
    if (metadata instanceof File) {
      metadataBufferedReader=new BufferedReader(new FileReader((File)metadata));
    }
 else     if (metadata instanceof InputSource) {
      if (((InputSource)metadata).getByteStream() != null) {
        metadataBufferedReader=new BufferedReader(new InputStreamReader(((InputSource)metadata).getByteStream()));
      }
 else       if (((InputSource)metadata).getCharacterStream() != null) {
        metadataBufferedReader=new BufferedReader(((InputSource)metadata).getCharacterStream());
      }
    }
 else     if (metadata instanceof InputStream) {
      metadataBufferedReader=new BufferedReader(new InputStreamReader(((InputStream)metadata)));
    }
 else     if (metadata instanceof Node) {
      return (XmlBindings)unmarshaller.unmarshal((Node)metadata);
    }
 else     if (metadata instanceof Reader) {
      metadataBufferedReader=new BufferedReader((Reader)metadata);
    }
 else     if (metadata instanceof Source) {
      Source source=(Source)metadata;
      if (source instanceof StreamSource) {
        StreamSource ss=(StreamSource)metadata;
        if (ss.getInputStream() != null) {
          metadataBufferedReader=new BufferedReader(new InputStreamReader(ss.getInputStream()));
        }
 else         if (ss.getReader() != null) {
          metadataBufferedReader=new BufferedReader(ss.getReader());
        }
 else         if (ss.getSystemId() != null) {
          URL url=getURLFromString((String)ss.getSystemId(),classLoader);
          if (url != null) {
            metadataBufferedReader=new BufferedReader(new InputStreamReader(url.openStream()));
          }
 else {
            throw org.eclipse.persistence.exceptions.JAXBException.unableToLoadMetadataFromLocation((String)metadata);
          }
        }
      }
 else       if (source instanceof DOMSource) {
        return (XmlBindings)unmarshaller.unmarshal((DOMSource)source);
      }
 else       if (source instanceof SAXSource) {
        return (XmlBindings)unmarshaller.unmarshal((SAXSource)source);
      }
    }
 else     if (metadata instanceof URL) {
      metadataBufferedReader=new BufferedReader(new InputStreamReader(((URL)metadata).openStream()));
    }
 else     if (metadata instanceof XMLEventReader) {
      return (XmlBindings)unmarshaller.unmarshal((XMLEventReader)metadata);
    }
 else     if (metadata instanceof XMLStreamReader) {
      return (XmlBindings)unmarshaller.unmarshal((XMLStreamReader)metadata);
    }
 else     if (metadata instanceof MetadataSource) {
      return ((MetadataSource)metadata).getXmlBindings(properties,classLoader);
    }
 else     if (metadata instanceof String) {
      URL url=getURLFromString((String)metadata,classLoader);
      if (url != null) {
        metadataBufferedReader=new BufferedReader(new InputStreamReader(url.openStream()));
      }
 else {
        throw org.eclipse.persistence.exceptions.JAXBException.unableToLoadMetadataFromLocation((String)metadata);
      }
    }
 else {
      throw org.eclipse.persistence.exceptions.JAXBException.incorrectValueParameterTypeForOxmXmlKey();
    }
    if (metadataBufferedReader != null) {
      boolean isJSON=isJSONFormat(metadataBufferedReader);
      StreamSource metadataSource=new StreamSource(metadataBufferedReader);
      if (isJSON) {
        return getXmlBindingsByMediaType(unmarshaller,metadataSource,classLoader,properties,MediaType.APPLICATION_JSON);
      }
 else {
        return getXmlBindingsByMediaType(unmarshaller,metadataSource,classLoader,properties,MediaType.APPLICATION_XML);
      }
    }
 else {
      throw org.eclipse.persistence.exceptions.JAXBException.incorrectValueParameterTypeForOxmXmlKey();
    }
  }
 catch (  IOException ioException) {
    throw org.eclipse.persistence.exceptions.JAXBException.couldNotUnmarshalMetadata(ioException);
  }
catch (  javax.xml.bind.JAXBException ex) {
    throw org.eclipse.persistence.exceptions.JAXBException.couldNotUnmarshalMetadata(ex);
  }
}