[ https://issues.jboss.org/browse/WFLY-6157?page=com.atlassian.jira.plugin.... ] Christian Beikov commented on WFLY-6157: ---------------------------------------- What exactly do you need? Here is the datasource and driver definition that I use. {code:xml} <datasource jta="true" jndi-name="java:jboss/datasources/MyDS" pool-name="MyDS" enabled="true" use-ccm="true"> <connection-url>jdbc:postgresql://localhost:5432/mydb</connection-url> <driver>org.postgresql</driver> <transaction-isolation>TRANSACTION_READ_COMMITTED</transaction-isolation> <pool> <min-pool-size>4</min-pool-size> <max-pool-size>8</max-pool-size> <prefill>true</prefill> </pool> <security> <user-name>dbadmin</user-name> <password>dbadmin</password> </security> <validation> <validate-on-match>true</validate-on-match> <background-validation>true</background-validation> <valid-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLValidConnectionChecker"/> <exception-sorter class-name="org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLExceptionSorter"/> </validation> <statement> <share-prepared-statements>false</share-prepared-statements> </statement> </datasource> <driver name="org.postgresql" module="org.postgresql"> <driver-class>org.postgresql.Driver</driver-class> <datasource-class>org.postgresql.ds.PGSimpleDataSource</datasource-class> <xa-datasource-class>org.postgresql.xa.PGXADataSource</xa-datasource-class> </driver> {code} -- This message was sent by Atlassian JIRA (v6.4.11#64026)