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14.4.3. Datasource Extensions
Datasource deployments can use several extensions in the JDBC resource adapter to improve the connection validation, and check whether an exception should reestablish the connection. Those extensions are:
| Datasource Extension | Configuration Parameter | Description |
|---|---|---|
| org.jboss.jca.adapters.jdbc.spi.ExceptionSorter | <exception-sorter> | Checks whether an SQLException is fatal for the connection on which it was thrown |
| org.jboss.jca.adapters.jdbc.spi.StaleConnection | <stale-connection-checker> | Wraps stale SQLExceptions in a org.jboss.jca.adapters.jdbc.StaleConnectionException |
| org.jboss.jca.adapters.jdbc.spi.ValidConnection | <valid-connection-checker> | Checks whether a connection is valid for use by the application |
JBoss EAP 6 also features implementations of these extensions for several supported databases.
Extension Implementations
- Generic
- org.jboss.jca.adapters.jdbc.extensions.novendor.NullExceptionSorter
- org.jboss.jca.adapters.jdbc.extensions.novendor.NullStaleConnectionChecker
- org.jboss.jca.adapters.jdbc.extensions.novendor.NullValidConnectionChecker
- org.jboss.jca.adapters.jdbc.extensions.novendor.JDBC4ValidConnectionChecker
- PostgreSQL
- org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLExceptionSorter
- org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLValidConnectionChecker
- MySQL
- org.jboss.jca.adapters.jdbc.extensions.mysql.MySQLExceptionSorter
- org.jboss.jca.adapters.jdbc.extensions.mysql.MySQLReplicationValidConnectionChecker
- org.jboss.jca.adapters.jdbc.extensions.mysql.MySQLValidConnectionChecker
- IBM DB2
- org.jboss.jca.adapters.jdbc.extensions.db2.DB2ExceptionSorter
- org.jboss.jca.adapters.jdbc.extensions.db2.DB2StaleConnectionChecker
- org.jboss.jca.adapters.jdbc.extensions.db2.DB2ValidConnectionChecker
- Sybase
- org.jboss.jca.adapters.jdbc.extensions.sybase.SybaseExceptionSorter
- org.jboss.jca.adapters.jdbc.extensions.sybase.SybaseValidConnectionChecker
- Microsoft SQLServer
- org.jboss.jca.adapters.jdbc.extensions.mssql.MSSQLValidConnectionChecker
- Oracle
- org.jboss.jca.adapters.jdbc.extensions.oracle.OracleExceptionSorter
- org.jboss.jca.adapters.jdbc.extensions.oracle.OracleStaleConnectionChecker
- org.jboss.jca.adapters.jdbc.extensions.oracle.OracleValidConnectionChecker
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