if (log.isTraceEnabled()) {
            log.trace("Release session " + usage + " " + this);
        }

        if (usage == 0) {
            if (log.isDebugEnabled()) {
                log.debug("Usage dropped to zero, release connection " + this.transport);
            }
            // Ensure atomic cleanup of all resources
            synchronized (this) {
                // Double-check usage count within synchronized block