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From "Myrna van Lunteren (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-159) When Derby runs in Network Server mode, client does not receive warnings generated by Derby
Date Tue, 14 Jul 2009 16:29:14 GMT

    [ https://issues.apache.org/jira/browse/DERBY-159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12730945#action_12730945
] 

Myrna van Lunteren commented on DERBY-159:
------------------------------------------

[10.5.2 Triage] 
This issue may have gotten into a confusing state because of David's concerns... 
Whether the community should find another network connection model than NetworkServer/DerbyClient
and/or another protocol than DRDA is a different issue from what we see here - unintuitive
current behavior.

I think making this a documentation issue makes sense.  But where should this get documented?
This is a network server/client limitation (currently - because of drda limitation), but create=true,
which is really where it's limited, is not documented per se there, it's a shared connection
Attribute documented on ref/rrefattrib26867.dita.
And it's an odd location to go into details on this specific case there. 

Perhaps somehow on adminguide\cadminappsclient.html (src/adminguide/cadminappsclient.dita)?
Perhaps under the retrieveMessageText entry?

Or is there somewhere better?

> When Derby runs in Network Server mode, client does not receive warnings generated by
Derby
> -------------------------------------------------------------------------------------------
>
>                 Key: DERBY-159
>                 URL: https://issues.apache.org/jira/browse/DERBY-159
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Server
>    Affects Versions: 10.0.2.0, 10.0.2.1, 10.1.1.0, 10.1.2.1, 10.1.3.1
>            Reporter: Mamta A. Satoor
>
> A simple code below will demonstrate that warnings generated by Derby running in Server
mode do not make their way to client. The client code below is trying to create the database
db1drda which already exsits. Server generates a warning for that but the client cde below
does not print it.
> con = DriverManager.getConnection("jdbc:derby:net://localhost:1527/db1drda;create=true:retrieveMessagesFromServerOnGetMessage=true;",
"app", "app");
> SQLWarning warnings1 = con.getWarnings();
> System.out.println("database exists, should get warning");
> while (warnings1 != null)
> {
> 	System.out.println("warnings on connection = " + warnings1);
> 	warnings1 = warnings1.getNextWarning();
> }

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