Re: JDBC via JNDI and the resource-env-ref tag

[Adam Hardy]

Hi Hans,

in my server.xml I have:

  <GlobalNamingResources>
    <Resource name="jdbc/GlobalRealmDB"
              auth="Container"
              type="javax.sql.DataSource"
       description="allows connections to be made to mySQL">
    </Resource>
    <ResourceParams name="jdbc/GlobalRealmDB">
      <parameter>
        <name>factory</name>
        <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
      </parameter>
      etc etc
and then:

        <Context path="/linklib" docBase="linklib"
          debug="5" reloadable="true" crossContext="true">
          <ResourceLink name="jdbc/RealmDB"
            global="jdbc/GlobalRealmDB"
            type="javax.sql.DataSource"/>
          etc. etc.
for each webapp that needs it. I don't put any of it in my web.xml but 
perhaps somebody else will tell you if you can, and how.

Regards
Adam


On 09/09/2003 10:04 AM Johann Uhrmann wrote:
Hello,

what are the semantics of the resource-env-ref tag in the
deployment descriptor?
Has every object (e.g. DataSources for DB access) to be declared
in the deployment descriptor or is a Resource/ResourceLink in
the server.xml sufficient?
Does the application have to declare the use of a resource twice?
(via Resource in the server.xml and via resource-env-ref in web.xml)
Those questions might look like faq, but unfortunately I could not
find any documentation about it.
Kind regards,

Hans

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