D:Jbossjboss-7.2.0.FinalmodulescomOracleojdbc7mainojdbc7.jar
D:Jbossjboss-7.2.0.FinalmodulescomOracleojdbc14mainojdbc14.jar

<driver name="oracle14" module="com.oracle.ojdbc14">
                    <driver-class>oracle.jdbc.driver.OracleDriver</driver-class>
                    <xa-datasource-class>oracle.jdbc.xa.client.OracleXADataSource</xa-datasource-class>
                </driver>
                <driver name="oracle7" module="com.oracle.ojdbc7">
                    <driver-class>oracle.jdbc.driver.OracleDriver</driver-class>
                    <xa-datasource-class>oracle.jdbc.xa.client.OracleXADataSource</xa-datasource-class>
                </driver>

<datasource jndi-name="java:jboss/datasources/OracleTen" pool-name="OracleTen-DEV" enabled="true" use-java-context="true">
    <connection-url>jdbc:oracle:thin:@ORACLE10DEV:49125:databasename</connection-url>
    <driver>oracle14</driver>
    ...
</datasource>
<datasource jndi-name="java:jboss/datasources/OracleTwelve" pool-name="OracleTwelve-DEV" enabled="true" use-java-context="true">
    <connection-url>jdbc:oracle:thin:@ORACLE12DEV:1521:databasename</connection-url>
    <driver>oracle7</driver>
    ...
</datasource>

Caused by: java.sql.SQLException: ORA-28040: No matching authentication protocol
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:331)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:283)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:278)
at oracle.jdbc.driver.T4CTTIoauthenticate.receiveOsesskey(T4CTTIoauthenticate.java:294)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:357)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:439)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:165)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
at org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:254)
... 18 more