When performing "service nginx start", nginx reports error under /var/log/nginx/error.log
2016/11/08 01:38:41 [emerg] 21216#0: unexpected "," in /etc/nginx/sites-enabled/dump.rdb:41

The contents of dump.rdb looks encrypted and are not readable when opened with vim.How to anaylze dump.rdb? Are there any tools, utilities like gdb that can be installed on ubuntu machine with which dump.rdb can be viewed?

Thanks in advance.
Deep