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Mathias commented on GUACAMOLE-553: ----------------------------------- [https://hub.docker.com/_/mysql/|Docker MySQL] latest version is switch to version 8.0.11. Guacamole can't connect to MySQL 8.0. After replace the MySQL [https://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-java-5.1.46.tar.gz|Connector-J version 5.1.46] inside the docker guacamole container and a restart, Guacamole connects perfectly again. {code:java} 11:04:29.015 [http-nio-8080-exec-1] ERROR o.a.g.rest.RESTExceptionWrapper - Unexpected internal error: ### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException : Could not create connection to database 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.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connect ion to database server. 23-Apr-2018 11:04:29.022 SEVERE [http-nio-8080-exec-1] com.sun.jersey.spi.container.ContainerResponse.log Exception Mapped exception to response: 500 (Internal Server Error) org.apache.guacamole.rest.APIException at org.apache.guacamole.rest.RESTExceptionWrapper.invoke(RESTExceptionWrapper.java:196) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:6 0) {code} > Docker image need a new MySQL JDBC driver for MySQL 8.0 > ------------------------------------------------------- > > Key: GUACAMOLE-553 > URL: https://issues.apache.org/jira/browse/GUACAMOLE-553 > Project: Guacamole > Issue Type: Improvement > Components: guacamole-docker > Affects Versions: 0.9.14 > Reporter: Mathias > Priority: Minor > > The Docker image need a MySQL JDBC driver update to be compatible with MySQL > 8. > Driver file "mysql-connector-java-5.1.35-bin.jar" must replaced with > "mysql-connector-java-5.1.46-bin.jar" to get a connection with MySQL 8.0.11. -- This message was sent by Atlassian JIRA (v7.6.3#76005)