[jira] [Created] (AMBARI-25254) The Cluster Install Wizard fails MariaDB (MySQL) connection test

["Opher Shachar (JIRA)" <ji...@apache.org>]

Opher Shachar created AMBARI-25254:
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             Summary: The Cluster Install Wizard fails MariaDB (MySQL) connection test
                 Key: AMBARI-25254
                 URL: https://issues.apache.org/jira/browse/AMBARI-25254
             Project: Ambari
          Issue Type: Bug
          Components: ambari-web
    Affects Versions: 2.7.3
         Environment: CentOS 7.6

MariaDB 5.5.60

mariadb-java-client 2.4.1
            Reporter: Opher Shachar


Installing on CentOS 7 by following the [documentation|https://docs.hortonworks.com/HDPDocuments/Ambari-2.7.3.0/bk_ambari-installation/content/customize_services.html].

I arrive at the +Customize Services -> DATABASES -> RANGER+ page and do the required configuration for my MariaDB instance using the mariadb-java-client-2.4.1. Specifically, I update the _Driver class name_ to: {{org.mariadb.jdbc.Driver}}

Pressing the Test Connection button I get "Connection Failed" with this stdout:

 
{code:java}
2019-04-16 16:52:50,190 - Host checks started.
2019-04-16 16:52:50,190 - Check execute list: db_connection_check
2019-04-16 16:52:50,191 - DB connection check started.
WARNING: File /var/lib/ambari-agent/cache/DBConnectionVerification.jar already exists, assuming it was downloaded before
WARNING: File /var/lib/ambari-agent/cache/mariadb-java-client-2.4.1.jar already exists, assuming it was downloaded before
2019-04-16 16:52:50,192 - call['/usr/lib/jvm/java-1.8.0/bin/java -cp /var/lib/ambari-agent/cache/DBConnectionVerification.jar:/var/lib/ambari-agent/cache/mariadb-java-client-2.4.1.jar -Djava.library.path=/var/lib/ambari-agent/cache org.apache.ambari.server.DBConnectionVerification "jdbc:mysql://opher-dev7.radcom.co.il:3306" "root" [PROTECTED] com.mysql.jdbc.Driver'] {}
2019-04-16 16:52:50,284 - call returned (1, 'ERROR: Unable to connect to the DB. Please check DB connection properties.\njava.lang.ClassNotFoundException: com.mysql.jdbc.Driver')
2019-04-16 16:52:50,284 - DB connection check completed.
2019-04-16 16:52:50,285 - Host checks completed.
2019-04-16 16:52:50,285 - Check db_connection_check was unsuccessful. Exit code: 1. Message: ERROR: Unable to connect to the DB. Please check DB connection properties.
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver

Command failed after 1 tries
{code}
Note that the wizard is wrongly trying to load the
{noformat}
com.mysql.jdbc.Driver{noformat}
class!

 



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