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I now use the jrdc2 example but got stuck at : java.lang.ClassNotFoundException: com.mysql.jdbc.Driver. I changed : #AdditionalJar: jtds-1.3.1 and put the files in the library folder. What am I doing wrong?
link: Not using the forumsearch first? https://www.b4x./?query=java.lang.ClassNotFoundException%3A+com.mysql.jdbc.Driver

I got all the parameters from another sample program serverhelloworld iirc, that's working fine locally and has this line in it pool.Initialize("com.mysql.jdbc.Driver", "jdbc:mysql://localhost:3307/test?characterEncoding=utf8", "root", "usbw") When I then run the program it fails on the line below

sept. 29, 2019 12:36:28 PM com.mchange.v2.c3p0.C3P0Registry INFO: Initializing c3p0-0.9.5.2 ... ... sept. 29, 2019 12:36:39 PM com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource INFO: Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource Loading class `com.mysql.jdbc.Driver'. This
link: The export was done via MySQL Workbench, which can also perform the import. The computer name, port, username and password needs to be adjusted as per
link: Have you checked the connection string parameters? These have worked for me, with mysql-connector-java-8.0.17.jar Private driverClass As String="com.

Du brauchst keinen Client, Du brauchst einen odbc-treiber. Den kannst Du dann ganz einfach mit der jSQL Library einbinden. Also in B4J. In b4a musst Du die entsprechende Library verwenden wobei der direkte Datenbankzugriff von Android nicht empfohlen ist. Zurück zur B4J #AdditionalJar: mysql-conn
link: Guten Morgen, ich versuche eine Verbindung zu einer lokalen MariaDB herzustellen. Die MariaDB an sich läuft soweit, mit z. B. HeidiSQL kann ich probl

Si mato el proceso, genero el paquete autónomo, ejecuto y voy al navegador: WARNING: Could not load driverClass net.sourceforge.jtds.jdbc.Driver java.lang.ClassNotFoundException: net.sourceforge.jtds.jdbc.Driver at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(Unknown Source)

Last acquisition attempt exception: java.sql.SQLException: java.lang.ClassCastException: class java.math.BigInteger cannot be cast to class java.lang.Long (java.math.BigInteger and java.lang.Long are in module java.base of loader 'bootstrap') at com.mysql.jdbc.SQLError.createSQLException(SQL

1,}{0.0.0.0:19180} 2021-03-15 12:27:41.204:INFO:oejs.Server:main: Started @900ms jRDC is running (version = 2.22) Mar 15, 2021 12:27:45 PM com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource INFO: Initializing c3p0 pool. com.mchange.v2.c3p0.ComboPooledDataSource Mar 15, 2021 12:27:45 PM com.mchan

2020 2:01:33 PM com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource INFO: Initializing c3p0 pool. com.mchange.v2.c3p0.ComboPooledDataSource Dec 27, 2020 2:01:33 PM com.mchange.v2.c3p0.DriverManagerDataSource WARNING: Could not load driverClass org.mariadb.jdbc.Driver java.lang.ClassNotFoundExce
link: Thank you! I've enabled SSH and used MRemoteNG to connect I've logged with an admin account and then I've inserted the command "sudo su" then the sa
link: This device uses MariaDB10 instead of MySQL. So, I've done some modification to ServerExample (renamed in ServerExampleMariaDB) code: I've downloade

Class com.mysql.jdbc.DatabaseMetaData failed lock verification and will run slower. Class com.mysql.jdbc.MysqlIO failed lock verification and will run slower. com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 mi

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. Error occurred on line: 15 (DB) java.sql.SQLException: An attempt by a client to checkout a Connection has timed

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