What does it mean? I take it from the file \Jboss_tomcat\server\default\deploy\oracle-service.xml.(oh,using jboss-3.0.7_jakarta-tomcat-4.1.24 and Oracle817).
<!-- Include a login module configuration named OracleDbRealm.
Update your login-conf.xml, here is an example for a
ConfiguredIdentityLoginModule:
<application-policy name = "OracleDbRealm">
<login-module code = "org.jboss.resource.security.ConfiguredIdentityLoginModule" flag = "required">
<module-option name = "principal">yourprincipal</module-option>
<module-option name = "userName">yourusername</module-option>
<module-option name = "password">yourpassword</module-option>
<module-option name = "managedConnectionFactoryName">jboss.jca:service=LocalTxCM,name=DefaultDS</module-option>
</login-module>
</application-policy>
NOTE: the application-policy name attribute must match SecurityDomainJndiName, and the
module-option name = "managedConnectionFactoryName"
must match the object name of the ConnectionManager you are configuring here.
-->