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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3983) User Guide documentation on the limitations of small-device support is stale
Date Wed, 10 Dec 2008 16:54:44 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12655281#action_12655281

Rick Hillegas commented on DERBY-3983:

Hey Knut, thanks for the quick feedback!

1) It is true that elsewhere the user guides say that you need Xalan in order to use the XML
datatype. And if you know that those libraries aren't included in CDC/FP 1.1, then you can
deduce that the XML datatype is not supported on small devices. However, the point of this
JIRA is to collect together all of the known limitations of our small device support so that
users can figure out at a glance what's supported and what's not.

2) It's true that we don't say anything about non-blocking io elsewhere in our user guides.
I don't know whether that's good or bad. However, I think that it's worth pointing out that
the small device implementation is different here.

6) I agree with this improvement. We should state that in general, client/server features
are not available on small devices. This includes SSL/TLS support and Replication.


> User Guide documentation on the limitations of small-device support is stale
> ----------------------------------------------------------------------------
>                 Key: DERBY-3983
>                 URL: https://issues.apache.org/jira/browse/DERBY-3983
>             Project: Derby
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions:
>            Reporter: Rick Hillegas
> The limitations of Derby's feature set on small devices is sketched in the Reference
Guide in a section titled "JDBC Package for Connected Device Configuration/Foundation Profile
(JSR169)". This section should be expanded to include other unsupported features identified
in DERBY-3966:
> 1) Lack of XML datatype (can be remedied if the small device platform can be supplemented
with some extra, freely available jar files)
> 2) Non-blocking io
> 3) Java EE resource manager support, including distributed transactions
> 4) Principal-based security
> 5) LDAP-based authentication
> 6) SSL/TLS encryption
> 7) Replication

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