I still stuck in this problem. I test to install new server run Redhat 7.9 in my lab same as in my product. I had the same error. .... I accept the agreement Yes [1], No [2] 1 Where should AppDynamics End User Monitoring be installed? [/AppDynamics/EUM] Please read the following important information before continuing. The upgrade installation will overwrite the files in the directory /AppDynamics/EUM. Please back up those files, especially customized files, such as the CA certificate. [Enter] Stopping the EUM server... Select Installation Type Demo [1], Product [2, Enter] Use this type if AppDynamics End User Monitoring and AppDynamics Controller are installed on different hosts. This type will install a MySQL instance on this machine that will be used by AppDynamics End User Monitoring. Enter details about the database used by AppDynamics End User Monitoring Database Information This installer will install a MySQL database on this host, which will be used by AppDynamics End User Monitoring. Please enter the details for this database. Database Port [3399] MySQL Data Directory [/usr/local/AppDynamics/EUM/data] Root User Password Confirm Root User Password A new database user account eum_user will be created during this installation if it does not exist already. Enter the password for eum_user user. eum_user Password Confirm eum_user Password Enter details about the Java server process used by AppDynamics End User Monitoring. AppDynamics End User Monitoring Server will be set up to accept only HTTP traffic. You should use a reverse proxy server to forward HTTP and HTTPS traffic to the EUM Server. HTTP Port [7001] AppDynamics End User Monitoring stores all passwords in an encrypted key store on disk. Please enter the password used for key store. Key Store Password Confirm Key Store Password Stopping EUM server... Extracting files ... Setting the configuration properties... Checking EUM MySQL version Please wait as this operation may take some time... Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary. Failed to create the EUM user account in the database. Rolling back changes ... Finishing installation ... Anyone here get this error?
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