Marcelo created GUACAMOLE-1983:
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Summary: Communications link failure
Key: GUACAMOLE-1983
URL: https://issues.apache.org/jira/browse/GUACAMOLE-1983
Project: Guacamole
Issue Type: Bug
Components: guacamole-auth-jdbc-mysql
Affects Versions: 1.5.5
Reporter: Marcelo
I have guacamode deployed with docker swarm
guacamole version:
[docker.io/guacamole/guacamole:latest|https://portainer.softpack.priv/#!/2/docker/images/docker.io~2Fguacamole~2Fguacamole%3Alatest]
guacamoledb version:
[docker.io/mariadb:10.9.5|https://portainer.softpack.priv/#!/2/docker/images/docker.io~2Fmariadb%3A10.9.5]
guacad version:
[guacamole/guacd:latest|https://portainer.softpack.priv/#!/2/docker/images/guacamole~2Fguacd%3Alatest]
I created those containers with previous versions, but now updated everything
as shown previously, and now, on guacamole log i have:
{noformat}
The last packet sent successfully to the server was 0 milliseconds ago. The
driver has not received any packets from the server.
14:56:35.881 [http-nio-8080-exec-2] WARN o.a.g.e.AuthenticationProviderFacade
- The "mysql" authentication provider has encountered an internal error which
will halt the authentication process. If this is unexpected or you are the
developer of this authentication provider, you may wish to enable debug-level
logging. If this is expected and you wish to ignore such failures in the
future, please set "skip-if-unavailable: mysql" within your
guacamole.properties.
14:56:35.884 [http-nio-8080-exec-2] ERROR o.a.g.rest.RESTExceptionMapper -
Unexpected internal error:
### Error querying database. Cause:
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link
failure
The last packet sent successfully to the server was 0 milliseconds ago. The
driver has not received any packets from the server.
### The error may exist in org/apache/guacamole/auth/jdbc/user/UserMapper.xml
### The error may involve
org.apache.guacamole.auth.jdbc.user.UserMapper.selectOne
### The error occurred while executing a query
### Cause: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications
link failure{noformat}
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