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From "Rick Hillegas (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-1731) Add warning to Derby docs that the JDBC 4.0 support is based upon the proposed final draft of JSR 221 and might change in subsequent releases.
Date Thu, 24 Aug 2006 06:48:41 GMT
    [ http://issues.apache.org/jira/browse/DERBY-1731?page=comments#action_12430094 ] 
            
Rick Hillegas commented on DERBY-1731:
--------------------------------------

Committed derby-1731-refGuide_v01.diff at subversion revision 434159.

> Add warning to Derby docs that the JDBC 4.0 support is based upon the proposed final
draft  of JSR 221 and might change in subsequent releases.
> -----------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-1731
>                 URL: http://issues.apache.org/jira/browse/DERBY-1731
>             Project: Derby
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions: 10.2.1.0, 10.2.2.0
>            Reporter: Daniel John Debrunner
>         Assigned To: Rick Hillegas
>             Fix For: 10.2.1.0, 10.2.2.0
>
>         Attachments: derby-1731-refGuide_v01.diff
>
>
> While JDBC 4.0 does not require any warning statement (see DEBRY-1639) it would be good
for Derby to have such a statement.
> I think we want to freedom to match JDBC 4.0 final spec in a future 10.2 release, a warning
would help this, including stating that
> applications written to JDBC 4.0 might need to be modified and re-compile to work successfully.
> ------------------------------------------------
> Sample release note added here. This can be wordsmithed on the website depending on the
actual discrepancies, if any, between the GA version of Java SE 6 and the beta version with
which Derby 10.2 is compatible.
> PROBLEM:
> Derby 10.2 exposes an early access implementation of JDBC4 interfaces.
> SYMPTOM:
> When an application runs on Java SE 6, you may see problems like the following. These
are just examples of the kinds of problems you may see. The actual discrepancies will be listed
here.
> 1) Abstract method errors when calling methods on Derby objects which implement interfaces
from the java.sql and javax.sql packages.
> 2) Unpredictable results when using constants declared in the java.sql and javax.sql
packages.
> CAUSE:
> Derby 10.2 was built and tested using an early access (late beta) version of the JDBC4
interfaces. It is possible that the JDBC4 spec will change between that beta version and the
actual GA of Java SE 6. In that case, Derby 10.2 will not completely satisfy the GA version
of the JDBC4 spec.
> SOLUTION:
> The first maintenance release of Derby 10.2 will align Derby with the GA version of Java
SE 6.
> WORKAROUND:
> Do not run your application on Java SE 6 if your application needs to use JDBC features
whose specification changed between the time that Derby 10.2 was built and the GA of Java
SE 6. To use these features, you will have to wait until the first maintenance release of
Derby 10.2.

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