}
        throw cause;
    }

    @Override
    @PreDestroy
    public void close() {
        if (runner != null) {
            try {
                client.admin().indices().prepareFlush().setForce(true).execute()
                        .actionGet(ComponentUtil.getFessConfig().getIndexIndicesTimeout());
            } catch (final Exception e) {
                logger.warn("Failed to flush indices.", e);
            }

        boolean serverEnableSig = resp.getResponse().isSigningEnabled();
        if ( log.isDebugEnabled() ) {
            log.debug(
                "Signature negotiation enforced " + this.signingEnforced + " (server " + serverRequireSig + ") enabled "
                        + this.getContext().getConfig().isSigningEnabled() + " (server " + serverEnableSig + ")");
        }

containerTop = this.element.offset().top - this.container.outerHeight() - parentOffset.top;
L1038:            else
L1039:                containerTop = this.element.offset().top + this.element.outerHeight() - parentOffset.top;
L1040:
L1041:            // Force the container to it's actual width
L1042:            this.container.css({
L1043:              top: 0,
L1044:              left: 0,
L1045:              right: 'auto'
L1046:            });
L1047:            var containerWidth = this.container.outerWidth();
...