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From Kiran Ayyagari <>
Subject Re: Custom schema objects
Date Wed, 01 Feb 2012 10:36:20 GMT
On Wed, Feb 1, 2012 at 3:49 PM, Christoph Czurda
<> wrote:
> On 01/10/2012 01:47 PM, Kiran Ayyagari wrote:
>> to mention it quickly, new schema elements cannot be registered using
>> connection.loadSchema()
>> you need to upload the new schema elements to the server.
>> Please search the ML, this was already answered before.
> Hi,
> I'm sorry but I can't get this to work. I will explain every step I
> took. Please try to explain to me also step by step what I'm missing. If
> you are unclear about what I did at some point, please ask. I really
> want to get this working.
> I used the schema editor from Directory Studio and created a new schema
> project. In the project I included the already existing schemas 'java',
> 'core' and 'system'. Next I created a new schema called 'openengsb'. I
> created my attributetypes and objectclasses. Then I clicked 'export
> schema for Apacheds'. Then I connected to the server and imported the
> ldif. The schema is now under cn=openengsb,ou=schema. I can also create
> entries from my schema objects.
> However, in my application I can use my own schema objects ONLY if I
> don't use connection.loadSchema(). I know that loadSchema() only loads
> the default schemas that are bundled with the api. But how can I make my
> application aware of my schema / load my own schema?
you have to use the NetworkSchemaLoader to load the schema present on
the server (this only works for ApacheDS)

1. create LdapNetworkConnection
2. bind to the server using the above connection
3. create an instance of NetworkSchemaLoader using the above connection
3. call connection.loadSchema() by passing the schema loader created in step 3

> Thank you,
> kind regards,
> Christoph
>> On Tue, Jan 10, 2012 at 5:50 PM, Christoph Czurda
>> <> wrote:
>>> Hi,
>>> How can I use custom schema objects in my own application with ApacheDS
>>> 2.0? In Studio I created some object classes and attribute types and
>>> stored them in a subtree of ou=schema. So the ldif files are present in
>>> their correct destinations. In Studio I can also build entries with
>>> them. But in my application I get the following error: ERR_04269
>>> ATTRIBUTE_TYPE for OID [any of my schema objects] does not exist!
>>> The problem must be with my own schema because when I move my schema
>>> objects into any of the predefined schema, I can use them.
>>> Here's what I tried so far:
>>> connection.loadSchema();
>>> schemaManager = connection.getSchemaManager();
>>> SchemaLoader loader = schemaManager.getLoader();
>>> loader.addSchema(new DefaultSchema("mySchema")); //?
>>> schemaManager.enable("mySchema"); //?
>>> schemaManager.load("mySchema"); //?
>>> Well, after this my schema is enabled and loaded but the elements are
>>> still not registered. So how can I register them?
>>> Thank you,
>>> kind regards,
>>> Christoph

Kiran Ayyagari

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