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https://issues.apache.org/jira/browse/DIRSERVER-1412?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emmanuel Lecharny closed DIRSERVER-1412.
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> Modifying the schema with more than one mod may fail
> ----------------------------------------------------
>
> Key: DIRSERVER-1412
> URL: https://issues.apache.org/jira/browse/DIRSERVER-1412
> Project: Directory ApacheDS
> Issue Type: Bug
> Affects Versions: 1.5.5
> Reporter: Emmanuel Lecharny
> Priority: Minor
> Fix For: 2.0.0-M16
>
>
> When applying some schema modification as one single modify() operation, if
> there are more than one schema modifications, we may have failures :
> - first we can't guarantee the atomicity as all the parsing are done first,
> and as the integrity check are done during parsing, we have corner case which
> will throw an exception. For instance, if we have 2 AT being injected, one
> being the other's superior, as the superior has not been injected into the
> schema, the second AT may complain about the missing superior AT
> - second if for some reason we have a failure in the middle of the
> processing, we won't be able to revert all the previous additions.
> Both issues can be fixed, but I'm not sure it worth the pain of having a
> shadow registry in which we apply the changes until we are sure we are fine
> with all the modifications, before updating the real schema.
> IMO, that would be better to forbid schema modifications with more than one
> modification in the modify parameters. A slight violation of the protocol,
> but really not that important.
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