Zachary Piazza created GUACAMOLE-650:
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Summary: "Communications Link Failure" with AWS Aurora (MySQL)
Key: GUACAMOLE-650
URL: https://issues.apache.org/jira/browse/GUACAMOLE-650
Project: Guacamole
Issue Type: Bug
Components: guacamole-auth-jdbc, guacamole-auth-jdbc-mysql
Affects Versions: 0.9.14
Reporter: Zachary Piazza
I am receiving the following exception when attempting to authenticate against
a Aurora RDS cluster. This issue doe not present when authenticating against a
standard MySQL server running on an EC2 instance. I have verified that I able
able to connect to this endpoint via the mysql command line client as to rule
out the possibility of network issues. I have not seen any open issues or
discussions on the mailing list regarding this issue. I have tried using the
last two version of the mysql-connector with no change. Tried hard coding the
"JDBC.loginTimeout" in the auth extension, also with zero impact.
Full stack trace provided here: [http://dpaste.com/0GJ63JE]
I can provide my guacamole.properties configuration if needed, however it is
fairly standard, only specifying the guacd hostname and port along with the
mysql parameters.
"""
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
The last packet sent successfully to the server was 0 milliseconds ago. The
driver has not received any packets from the server.
"""
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