wildfly 19 - error wflyjca0042 failed to match pool Check JndiName: java:jboss/de xsDS i getting above error while connecting jdbc please help i am trying to upgrade wildfly version 10 to 9.1.0 I have added below in standalone and also kept ojdbc7.jar file in module folder <driver name="h2" module="com.h2database.h2"> <xa-datasource-class>org.h2.jdbcx.JdbcDataSource</xa-datasource-class> </driver> <driver name="mysql" module="com.mysql"> <driver-class>com.mysql.jdbc.Driver</driver-class> <xa-datasource-class>com.mysql.jdbc.MysqlXADataSource</xa-datasource-class> </driver> -- Sent from: http://wildfly-development.1055759.n5.nabble.com/