Program: 63411
Project: 63411
Buggy source:
@Override public void initialize(XRServiceAdapter xrService){
  super.initialize(xrService);
  if (queryHandler == null) {
    DatabaseQuery dq=xrService.getORSession().getQuery(name);
    if (dq != null) {
      queryHandler=new QueryHandler(){
        public void initializeDatabaseQuery(        XRServiceAdapter xrService,        QueryOperation queryOperation){
        }
        public void initializeArguments(        XRServiceAdapter xrService,        QueryOperation queryOperation,        DatabaseQuery databaseQuery){
        }
        public void initializeCall(        XRServiceAdapter xrService,        QueryOperation queryOperation,        DatabaseQuery databaseQuery){
        }
      }
;
      queryHandler.setDatabaseQuery(dq);
    }
  }
  if (queryHandler == null) {
    throw DBWSException.couldNotLocateQueryForSession(name,xrService.getORSession().getName());
  }
  queryHandler.initialize(xrService,this);
  Session oxSession=xrService.getOXSession();
  QName resultType=result == null ? null : result.getType();
  addSimpleXMLFormatModelDescriptor(xrService);
  addValueObjectDescriptor(xrService);
  if (resultType == null) {
    if (isAttachment()) {
      Attachment attachment=result.getAttachment();
      XMLDescriptor descriptor=(XMLDescriptor)oxSession.getProject().getClassDescriptor(DataHandler.class);
      if (descriptor == null) {
        descriptor=new XMLDescriptor();
        descriptor.setAlias(DATAHANDLER_STR);
        descriptor.setJavaClass(DataHandler.class);
        descriptor.setInstantiationPolicy(new DataHandlerInstantiationPolicy(attachment.getMimeType()));
        XMLBinaryDataMapping mapping=new XMLBinaryDataMapping();
        mapping.setAttributeName(RESULTS_STR);
        mapping.setAttributeAccessor(new AttributeAccessor(){
          @Override public Object getAttributeValueFromObject(          Object object) throws DescriptorException {
            Object result=null;
            InputStream is=null;
            DataHandler dataHandler=(DataHandler)object;
            try {
              result=dataHandler.getContent();
              if (result instanceof InputStream) {
                is=(InputStream)result;
                byte[] buf=new byte[2048];
                ByteArrayOutputStream baos=new ByteArrayOutputStream();
                int bytesRead=is.read(buf);
                while (bytesRead >= 0) {
                  baos.write(buf,0,bytesRead);
                  bytesRead=is.read(buf);
                }
                result=baos.toByteArray();
              }
            }
 catch (            IOException e) {
            }
 finally {
              try {
                is.close();
              }
 catch (              IOException e) {
              }
            }
            return result;
          }
          @Override public void setAttributeValueInObject(          Object object,          Object value) throws DescriptorException {
          }
        }
);
        mapping.setXPath(DEFAULT_SIMPLE_XML_FORMAT_TAG + SLASH_CHAR + DEFAULT_SIMPLE_XML_TAG+ ATTACHMENT_STR);
        mapping.setSwaRef(true);
        mapping.setShouldInlineBinaryData(false);
        mapping.setMimeType(attachment.getMimeType());
        descriptor.addMapping(mapping);
        NamespaceResolver nr=new NamespaceResolver();
        descriptor.setNamespaceResolver(nr);
        oxSession.getProject().addDescriptor(descriptor);
        ((DatabaseSessionImpl)oxSession).initializeDescriptorIfSessionAlive(descriptor);
        xrService.getXMLContext().storeXMLDescriptorByQName(descriptor);
      }
    }
  }
}

Fixed version (ground truth):
@Override public void initialize(XRServiceAdapter xrService){
  super.initialize(xrService);
  if (queryHandler == null) {
    DatabaseQuery dq=xrService.getORSession().getQuery(name);
    if (dq != null) {
      queryHandler=new QueryHandler(){
        @Override public void initializeDatabaseQuery(        XRServiceAdapter xrService,        QueryOperation queryOperation){
        }
        @Override public void initializeArguments(        XRServiceAdapter xrService,        QueryOperation queryOperation,        DatabaseQuery databaseQuery){
        }
        @Override public void initializeCall(        XRServiceAdapter xrService,        QueryOperation queryOperation,        DatabaseQuery databaseQuery){
        }
      }
;
      queryHandler.setDatabaseQuery(dq);
    }
  }
  if (queryHandler == null) {
    throw DBWSException.couldNotLocateQueryForSession(name,xrService.getORSession().getName());
  }
  queryHandler.initialize(xrService,this);
  Session oxSession=xrService.getOXSession();
  QName resultType=result == null ? null : result.getType();
  addSimpleXMLFormatModelDescriptor(xrService);
  addValueObjectDescriptor(xrService);
  if (resultType == null) {
    if (isAttachment()) {
      Attachment attachment=result.getAttachment();
      XMLDescriptor descriptor=(XMLDescriptor)oxSession.getProject().getClassDescriptor(DataHandler.class);
      if (descriptor == null) {
        descriptor=new XMLDescriptor();
        descriptor.setAlias(DATAHANDLER_STR);
        descriptor.setJavaClass(DataHandler.class);
        descriptor.setInstantiationPolicy(new DataHandlerInstantiationPolicy(attachment.getMimeType()));
        XMLBinaryDataMapping mapping=new XMLBinaryDataMapping();
        mapping.setAttributeName(RESULTS_STR);
        mapping.setAttributeAccessor(new AttributeAccessor(){
          @Override public Object getAttributeValueFromObject(          Object object) throws DescriptorException {
            Object result=null;
            DataHandler dataHandler=(DataHandler)object;
            try {
              result=dataHandler.getContent();
              if (result instanceof InputStream) {
                try (InputStream is=(InputStream)result){
                  byte[] buf=new byte[2048];
                  ByteArrayOutputStream baos=new ByteArrayOutputStream();
                  int bytesRead=is.read(buf);
                  while (bytesRead >= 0) {
                    baos.write(buf,0,bytesRead);
                    bytesRead=is.read(buf);
                  }
                  result=baos.toByteArray();
                }
               }
            }
 catch (            IOException e) {
            }
            return result;
          }
          @Override public void setAttributeValueInObject(          Object object,          Object value) throws DescriptorException {
          }
        }
);
        mapping.setXPath(DEFAULT_SIMPLE_XML_FORMAT_TAG + SLASH_CHAR + DEFAULT_SIMPLE_XML_TAG+ ATTACHMENT_STR);
        mapping.setSwaRef(true);
        mapping.setShouldInlineBinaryData(false);
        mapping.setMimeType(attachment.getMimeType());
        descriptor.addMapping(mapping);
        NamespaceResolver nr=new NamespaceResolver();
        descriptor.setNamespaceResolver(nr);
        oxSession.getProject().addDescriptor(descriptor);
        ((DatabaseSessionImpl)oxSession).initializeDescriptorIfSessionAlive(descriptor);
        xrService.getXMLContext().storeXMLDescriptorByQName(descriptor);
      }
    }
  }
}