Problem adding new object class

[Shing Hing Man]

I am trying to add a new object class in Java using
the 
sample code at 
http://java.sun.com/products/jndi/tutorial/ldap/schema/object.html#ADD
(or see the listing  below).
But I get the following exception.



javax.naming.NameNotFoundException: [LDAP: error code
32 - failed to modify entry
2.5.4.3=schema,2.5.4.11=system: Attempt to lookup
non-existant entry: 2.5.4.3=schema,2.5.4.11=system];
remaining name ''
        at
com.sun.jndi.ldap.LdapCtx.mapErrorCode(LdapCtx.java:3010)
        at
com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2931)
        at
com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2737)
        at
com.sun.jndi.ldap.LdapCtx.c_modifyAttributes(LdapCtx.java:1370)
        at
com.sun.jndi.toolkit.ctx.ComponentDirContext.p_modifyAttributes(ComponentDirContext.java:235)
        at
com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.modifyAttributes(PartialCompositeDirContext.java:147)
        at
com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.modifyAttributes(PartialCompositeDirContext.java:136)
        at
com.sun.jndi.ldap.LdapSchemaCtx$SchemaInfo.modifyAttributes(LdapSchemaCtx.java:413)
        at
com.sun.jndi.ldap.LdapSchemaCtx.addServerSchema(LdapSchemaCtx.java:276)
        at
com.sun.jndi.ldap.LdapSchemaCtx.doCreateSubcontext(LdapSchemaCtx.java:196)
        at
com.sun.jndi.toolkit.dir.HierMemDirCtx.createSubcontext(HierMemDirCtx.java:375)
        at
com.sun.jndi.toolkit.dir.HierMemDirCtx.createSubcontext(HierMemDirCtx.java:368)
        at
sunTrail.AddObjectClass.main(AddObjectClass.java:56)

=================================

class AddObjectClass {
   public static void main(String[] args) {

        // Set up environment for creating initial context
        Hashtable env = new Hashtable(11);
        env.put(Context.INITIAL_CONTEXT_FACTORY, 
            "com.sun.jndi.ldap.LdapCtxFactory");
        env.put(Context.PROVIDER_URL,
"ldap://localhost:10389/o=JNDITutorial";);

        // Must authenticate as directory administrator in
order to update schema
        String dns = "uid=admin,ou=system";
        env.put(Context.SECURITY_PRINCIPAL, dns);
        env.put(Context.SECURITY_CREDENTIALS, "jrisk");
        env.put(Context.SECURITY_AUTHENTICATION, "simple");

        // This is required when using Netscape Directory
Server 3.x
        // env.put("com.sun.naming.netscape.schemaBugs",
"true");

        try {
            // Specify attributes for schema object
            Attributes attrs = new BasicAttributes(true); //
ignore case
            attrs.put("NUMERICOID",
"1.3.6.1.4.1.42.2.27.4.2.3.1.1.1");
            attrs.put("NAME", "fooObjectClass");
            attrs.put("DESC", "for JNDITutorial example
only");
            attrs.put("SUP", "top");
            attrs.put("STRUCTURAL", "true");
            Attribute must = new BasicAttribute("MUST",
"cn");
            must.add("objectclass");
            attrs.put(must);

            // Create the initial context
            DirContext ctx = new InitialDirContext(env);
            // Get the schema tree root
            DirContext schema = ctx.getSchema("");
        
          
            // Add new schema object for "fooObjectClass"
           DirContext newClass = schema.createSubcontext( 
 //<-- line 56
                "ClassDefinition/fooObjectClass", attrs);

            // Get new initial context to avoid seeing cached
data
            ctx.close();
            ctx = new InitialDirContext(env);
            schema = ctx.getSchema("");

            // See what was added
            System.out.println(
        
schema.getAttributes("ClassDefinition/fooObjectClass"));

            // Close the context when we're done
            ctx.close();
        } catch (NamingException e) {
            e.printStackTrace();
        }
   }
}
=======================
It would be appreciated if some kind soul can tell me 
to how to resolve the above the exception.

Thanks!

Shing

Home page :
  http://uk.geocities.com/matmsh/index.html


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