Create search field. JPAcontainers

kindly view the code to create a search field for a table. I’m using JPA containers btw. when i go to type in the searcg tge table is cleared instead of a filter/search.

private Component buildFilter() {
    searchField = new TextField();
    searchField.setInputPrompt("Search");
    searchField.addTextChangeListener(new FieldEvents.TextChangeListener() {
        @Override
        public void textChange(final FieldEvents.TextChangeEvent event) {
            
           orderDetailList.removeAllContainerFilters();
            orderDetailList.addContainerFilter(new JPAContainer.Filter() {
                @Override
                public boolean passesFilter(final Object itemId,
                        final Item item) {

                    if (event.getText() == null
                            || event.getText().equals("")) {
                        return true;
                    }

                    return filterByProperty("inmas.inDes", item,
                            event.getText())
                            || filterByProperty("quantity", item,
                                    event.getText())
                            || filterByProperty("onHand", item,
                                    event.getText());

                }

                @Override
                public boolean appliesToProperty(final Object propertyId) {
                    if (propertyId.equals("inmas.inDes")
                            || propertyId.equals("required")
                            || propertyId.equals("bondQty")) {
                        return true;
                    }
                    return false;
                }
            });
        }
    });
    
          
    searchField.setIcon(FontAwesome.SEARCH);
    searchField.setWidth(39.8f, Sizeable.Unit.EM);
    searchField.addStyleName(ValoTheme.TEXTFIELD_INLINE_ICON);

    return searchField;

}