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Leo,

On 3/24/2010 11:43 AM, Leo Donahue - PLANDEVX wrote:
> No, not sure.  That is what I was confused about.
> JDBC Realm, vs JNDI DataSourceRealm, vs JDBC DataSource

A Realm is something Tomcat uses for authentication. A DataSource is an
object which hands out database connections. The use of JDBC vs. JNDI is
really just about how the connections are obtained: JDBCRealm manages
its own JDBC connection (and is heavily synchronized, as Mark mentions:
don't use it). DataSourceRealm uses a DataSource obtained via JNDI and
configured via a <Resource> element. There is no JDBCDataSource that I
know of.

Recommended setup (IMHO): configure everything in META-INF/context.xml
and use DataSourceRealm. No need to configure anything in server.xml and
no need to configure anything at the OS level (as Mark mentioned, that's
ODBC).

> Assuming I have the correct tables in the database named "authstore", does 
> this look right?
> 
> ** in server.xml **
>  <Realm className="com.microsoft.sqlserver.jdbc.SQLServerDriver"

className should be org.apache.catalina.realm.DataSourceRealm

>    dataSourceName="jdbc/authority"
>    userTable="users" userNameCol="user_name" userCredCol="user_pass"
>    userRoleTable="user_roles" roleNameCol="role_name"/>

Ok.

> ** in META-INF/context.xml of specific webapp **
>    <resource-ref>
>       <description>DB Connection</description>
>       <res-ref-name>jdbc/authority</res-ref-name>
>       <res-type>javax.sql.DataSource</res-type>
>       <res-auth>Container</res-auth>
>    </resource-ref>

This is actually stuff for web.xml, though it is not required if you
have your <Resource> defined in META-INF/context.xml.

> ** also in META-INF/context.xml file? **
>   <Resource name="jdbc/authority" auth="Container" type="javax.sql.DataSource"
>                username="javauser" password="javadude"
>       driverClassName="com.microsoft.sqlserver.jdbc.SQLServerDriver"
>                url="jdbc:sqlserver://localhost;database=authstore"/>

Looks good to me. Make sure your JDBC driver JAR file is in
CATALINA_BASE/lib and nowhere else.

- -chris
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