Custom resource Factory problem

[Aleksandr Shneyderman <al...@law.columbia.edu>]

(tomcat 4.1.16)

I was trying to create a custom resource factory and
get the following exception:

javax.naming.NamingException: Cannot create resource instance
 at
org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.
java:189)
 at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:301)
 at org.apache.naming.NamingContext.lookup(NamingContext.java:834)
 at org.apache.naming.NamingContext.lookup(NamingContext.java:181)
 at org.apache.naming.NamingContext.lookup(NamingContext.java:822)
 at org.apache.naming.NamingContext.lookup(NamingContext.java:194)
 at org.apache.jsp.index_jsp._jspService(index_jsp.java:57)
 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
 ...

----------------- I have in my server xml inside
----------------- GlobalNamingResources:
<Resource
   name="jdbc/local_gls"
   auth="Container"
   type="java.lang.String"
   description="GLS test">
</Resource>
<ResourceParams name="jdbc/local_gls">
  <parameter>
    <name>factory</name>
    <value>edu.columbia.law.naming.CPResourceFactory</value>
  </parameter>
  <parameter><name>Config</name><value>test.xml</value></parameter>
</ResourceParams>

--------------- my web.xml has the following:
<resource-ref>
  <description>GLS DB</description>
  <res-ref-name>jdbc/local_gls</res-ref-name>
  <res-type>java.lang.String</res-type>
  <res-auth>CONTAINER</res-auth>
</resource-ref>

--------------- my test jsp page has the following code:
<% String ds = "";
   try {
     Context initCtx = new InitialContext();
     Context envCtx = (Context) initCtx.lookup("java:comp/env");
     ds = (String) envCtx.lookup("jdbc/local_gls");

   } catch (Exception e) {
     e.printStackTrace (); %>
     Exception type: <%= e.getClass ().getName () %><br>
     Exception message: <%= e.getMessage () %><br>
<% } %>

---------- my edu.columbia.law.naming.CPResourceFactory
---------- has the following code:
public class CPResourceFactory implements ObjectFactory {
    public Object getObjectInstance (
                Object obj, Name name,
                Context nameCtx, Hashtable environment) throws
NamingException {
        return new String ("Empty String");
    }
}

does anybody know what is wrong with my config?

Thanks,
Alex.


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