A bug in creator when creating jdbc jndi connection

Question

Hi,
I am using sun java studio creator for jdbc jndi connection. The syntax is
Context ctx = new InitialContext();
DataSource ds = (DataSource)ctx.lookup("java:comp/env/jdbc/mydb");
conn = ds.getConnection();
It's failed. Once I change to ctx.lookup("jdbc/mydb") and the connection is created.
Once deployed to tomcat, it seems only java:comp/env/jdbc/mydb is working.
The full path(java:comp/env/jdbc/mydb) seems right from my google search.
Why creator using jdbc/mydb? Is it a bug to creator?
Thanks,
Jie

Answer 1

I mean a resource reference in web.xml file that looks like this:
     <resource-ref id="ResourceRef_1103225373500">
          <res-ref-name>DBConnection</res-ref-name>
          <res-type>javax.sql.DataSource</res-type>
          <res-auth>Application</res-auth>
          <res-sharing-scope>Shareable</res-sharing-scope>
     </resource-ref>
where DBConnection is the resource alias I mentioned before:
DataSource ds = (DataSource)ctx.lookup("java:comp/env/DBConnection");
Using WebSphere a binding between this above defined ResourceRef and JNDI mapping must be defined in a file called ibm-web-bnd.xmi. The content of this file will look like this:
<?xml version="1.0" encoding="UTF-8"?>
<webappbnd:WebAppBinding xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:webappbnd="webappbnd.xmi" xmi:id="WebAppBinding_1" virtualHostName="default_host">
<webapp href="WEB-INF/web.xml#WebApp"/>
<resRefBindings xmi:id="ResourceRefBinding_1103225373500" jndiName="jdbc/mydb">
<bindingResourceRef href="WEB-INF/web.xml#ResourceRef_1103225373500"/>
</resRefBindings>
</webappbnd:WebAppBinding>
Obviously using WSAD all of that could be done using IDE. In your case and using Sun IDE, I am not sure. But this is basically the concept of needed mapping in order to reference your JNDI without getting an error. At least this is how we resolved the error you are encountering.
Hope that helps!