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GUACAMOLE-1407: Explicitly fail early if no JDBC driver can be found for MySQL/MariaDB.

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This commit is contained in:
Michael Jumper
2021-08-26 18:36:22 -07:00
parent be1ad5dff3
commit fc9739a4d6
1 changed files with 6 additions and 13 deletions
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19
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/src/main/java/org/apache/guacamole/auth/mysql/conf/MySQLEnvironment.java
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@@ -25,6 +25,7 @@ import java.sql.DatabaseMetaData;
import java.sql.SQLException;
import java.util.TimeZone;
import org.apache.guacamole.GuacamoleException;
import org.apache.guacamole.GuacamoleServerException;
import org.apache.guacamole.auth.jdbc.JDBCEnvironment;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -53,12 +54,6 @@ public class MySQLEnvironment extends JDBCEnvironment {
*/
private static final MySQLVersion MYSQL_SUPPORTS_CTE = new MySQLVersion(8, 0, 1, false);
/**
* The default MySQL-compatible driver to use, if not specified and not
* automatically detected.
*/
private static final MySQLDriver FALLBACK_DEFAULT_DRIVER = MySQLDriver.MYSQL;
/**
* The default host to connect to, if MYSQL_HOSTNAME is not specified.
*/
@@ -181,15 +176,15 @@ public class MySQLEnvironment extends JDBCEnvironment {
* Returns the MySQL driver that will be used to talk to the MySQL-compatible
* database server hosting the Guacamole database. If unspecified, the
* installed MySQL driver will be automatically detected by inspecting the
* classes available in the classpath. If automatic detection fails, the
* "MySQL Connector/J" driver will be assumed.
* classes available in the classpath.
*
* @return
* The MySQL driver that will be used to communicate with the MySQL-
* compatible server.
*
* @throws GuacamoleException
* If guacamole.properties cannot be parsed.
* If guacamole.properties cannot be parsed, or if no MySQL-compatible
* JDBC driver is present.
*/
public MySQLDriver getMySQLDriver() throws GuacamoleException {
@@ -211,10 +206,8 @@ public class MySQLEnvironment extends JDBCEnvironment {
return MySQLDriver.MYSQL;
}
// Fallback to MySQL Connector/J if nothing can be found
logger.warn("JDBC driver for MySQL/MariaDB couuld not be detected "
+ "and might not be installed. Assuming MySQL Connector/J...");
return FALLBACK_DEFAULT_DRIVER;
// No driver found at all
throw new GuacamoleServerException("No JDBC driver for MySQL/MariaDB is installed.");
}