On Thu, Mar 7, 2019 at 5:48 AM Mike Jumper <[email protected]> wrote:
> On Thu, Mar 7, 2019, 02:43 Kamal Ezzaki <[email protected]> wrote: > >> *Hello after i restart my centos server i get a blank Page and when i >> check out my log files i have ths error : * >> *Mar 7 05:42:16 localhost server: 05:42:16.838 [http-bio-8080-exec-3] >> ERROR o.a.g.rest.RESTExceptionMapper - Unexpected internal error:Mar 7 >> 05:42:16 localhost server: ### Error querying database. Cause: >> com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link >> failure* >> > > Double check that the network details for your database server in > guacamole.properties are correct. > > Assuming they are, I recommend checking your SELinux audit logs. Tomcat > may be being denied network access to MySQL. > > Or, if this was right after you restarted your system, make sure that MySQL is starting up and is set to start on boot. -Nick
