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Date: Fri, 15 Feb 2008 05:42:08 -0800 (PST)
From: "Knut Anders Hatlen (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Commented: (DERBY-2559) recreating a datasource using
 javax.naming.Reference from a ClientDataSource40 fails
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    [ https://issues.apache.org/jira/browse/DERBY-2559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12569269#action_12569269 ] 

Knut Anders Hatlen commented on DERBY-2559:
-------------------------------------------

2a looks good. Seems like the patch makes the implementation more in line with the description in the javadoc, so that's good.

> recreating a datasource using javax.naming.Reference from a ClientDataSource40 fails
> ------------------------------------------------------------------------------------
>
>                 Key: DERBY-2559
>                 URL: https://issues.apache.org/jira/browse/DERBY-2559
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Client
>    Affects Versions: 10.3.1.4, 10.4.0.0
>            Reporter: Myrna van Lunteren
>            Assignee: Kristian Waagan
>             Fix For: 10.4.0.0
>
>         Attachments: derby-2559-1a.diff, derby-2559-2a-defenses.diff, derby-2559-3a-documentation.diff
>
>
> Consider the following code snippet from test DataSourceReferenceTest:
> --------------------
>         Referenceable refDS = (Referenceable) ds;
>         Reference dsAsReference = refDS.getReference();
>         String factoryClassName = dsAsReference.getFactoryClassName();
>         ObjectFactory factory = 
>             (ObjectFactory) Class.forName(factoryClassName).newInstance();  
>         Object recreatedDS = 
>             factory.getObjectInstance(dsAsReference, null, null, null);
> ---------------------
> When ds is a ClientDataSource40 (i.e. when running with jdk16), recreatedDS is null.
> Note, that this showed up only after converting the test to junit, because the original test hardcoded the ds to be a ClientDataSource. I confirmed this not to be related to my changes for DERBY-2296 (which prompted me to convert the test), by backing out my changes to ClientBaseDataSource and client/am/Connection and rerunning the test (needed some minor adjustments of expected values table/array).
>      

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