Excellent - thanks for correcting this in JIRA. 

Alex

On Wed, Jan 7, 2009 at 12:18 PM, Aleksander Adamowski (JIRA) <jira@apache.org> wrote:
Exception error message unhelpful when adding attributeType and objectClass with colliding names
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                Key: DIRSERVER-1302
                URL: https://issues.apache.org/jira/browse/DIRSERVER-1302
            Project: Directory ApacheDS
         Issue Type: Bug
         Components: schema
   Affects Versions: 1.5.9
           Reporter: Aleksander Adamowski


This is a follow-up to DIRSERVER-1301.

When performing the following schema modification, due to a collision between attribute type and object class name there is a NamingException thrown:

###########
version: 1
dn: cn=schema
changetype: modify
add: attributeTypes
attributeTypes: ( 1.3.6.1.4.1.18060.0.4.3.2.1
       NAME 'ship'
       DESC 'a reference to a ship'
       EQUALITY distinguishedNameMatch
       SYNTAX 1.3.6.1.4.1.1466.115.121.1.12
       SINGLE-VALUE
 )
-
add: objectClasses
objectClasses: ( 1.3.6.1.4.1.18060.0.4.3.3.1
       NAME 'ship'
       DESC 'An entry which represents a ship'
       SUP top
       STRUCTURAL
       MUST cn
       MAY ( description )
 )
objectClasses: ( 1.3.6.1.4.1.18060.0.4.3.3.2
       NAME 'port'
       DESC 'An entry which represents a port'
       SUP top
       STRUCTURAL
       MUST cn
       MAY ( description $ ship )
 )
-

###########


However, the NamingException in such case doesn't give any hint about the real cause of the problem (name collision):

javax.naming.directory.NoSuchAttributeException: attributeType w/ OID 1.3.6.1.4.1.18060.0.4.3.3.1 not registered!
at org.apache.directory.server.schema.registries.DefaultAttributeTypeRegistry.lookup(DefaultAttributeTypeRegistry.java:198)
at org.apache.directory.server.core.schema.ObjectClassImpl.getMayList(ObjectClassImpl.java:104)
at org.apache.directory.server.utils.AttributesFactory.getAttributes(AttributesFactory.java:393)
at org.apache.directory.server.utils.AttributesFactory.getAttributes(AttributesFactory.java:74)
at org.apache.directory.server.core.schema.SchemaSubentryModifier.addSchemaObject(SchemaSubentryModifier.java:188)
...


The exception should be made more informative.

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