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From "Alex Karasulu (JIRA)" <>
Subject [jira] Commented: (DIRSERVER-1104) Mixing Attribute value types results in write failures
Date Wed, 21 Nov 2007 16:14:43 GMT


Alex Karasulu commented on DIRSERVER-1104:

You say,

    "I would not do that right now as we will have a new sub-project (server-entry) where
we will have all those classes."

OK if that's the case I don't think we want to move this branch over into the trunk until
this issue is completely fixed.  If there is some workaround to remove it then we should think
of applying it.  The ServerEntry effort is dragging it's feet so I don't know how much exposure
we'll have with this problem.

> Mixing Attribute value types results in write failures
> ------------------------------------------------------
>                 Key: DIRSERVER-1104
>                 URL:
>             Project: Directory ApacheDS
>          Issue Type: Bug
>          Components: core
>    Affects Versions: bigbang, 1.5.1
>            Reporter: Alex Karasulu
>            Assignee: Emmanuel Lecharny
>            Priority: Blocker
>             Fix For: bigbang
>         Attachments: error.log, offending.ldif
> This new bug is really serious and tricky. It has eluded us but comes out now thanks
to a crazy size effect it has on Windows.  
> First a characterization of the bug.  An entry (Attributes object) may be valid and still
contain an Attribute which has both byte[] and String array values.  Some may suggest that
this is invalid since attributes are, according to their syntax, either binary of human readable.
 However this is not the case.  The fact that an attributeType is human readable has no bearing
on how the user supplies the value.  Human readable data can be provided as binary information
so long as it still conforms to the syntax of the attribute.
> Here's an example entry which would cause such a failure:
>     dn: cn=person1,ou=system
>     objectClass: organizationalPerson
>     cn: person1
>     sn: sn_person1
>     seealso: cn=Good One,ou=people,o=sevenSeas
>     seealso:: Y249QmFkIEXDqWvDoCxvdT1wZW9wbGUsbz1zZXZlblNlYXM=
> This entry will cause the AttributeSerializerUtils.serialize() method to blow a ClassCastException.
 Note the log of the error can be found attached to this issue.  

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