The information given is not sufficient to conclude a cause. You can check the solr logs for details for any exception.
Regards, Modassar On Fri, Oct 30, 2015 at 10:12 AM, Franky Parulian Silalahi < fra...@telunjuk.com> wrote: > I have problem with my solr and i run in centos 7. > sometime my solr is detected as down, but when i check solr's service, > that service is run. how it happen? and why ? >