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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3451) Remove dependency between StandardException class and org.apache.derby.impl.jdbc classes.
Date Thu, 28 Feb 2008 13:21:51 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12573268#action_12573268
] 

Knut Anders Hatlen commented on DERBY-3451:
-------------------------------------------

> The main reason originally for EmbedSQLException originally was to be able to
> keep the original non-SQLException (e.g. StandardException, IOException), which is (should
be?) now handled by Throwable.initClause().

Another reason for EmbedSQLException is to be able to keep the message id so that we can localize
the messages correctly on the network client. I haven't seen any proposals for how to solve
that issue yet. (That's why we create the argument ferry (an EmbedSQLException) in the JDBC
4.0 exception factory.)

> Throwing a non-java library exception causes some issues for JMX as the exception can
not be transfered to the client.

Solving this problem involves getting rid of StandardException too, doesn't it? At least when
the SQLException is linked to a StandardException.

> Remove dependency between StandardException class and org.apache.derby.impl.jdbc classes.
> -----------------------------------------------------------------------------------------
>
>                 Key: DERBY-3451
>                 URL: https://issues.apache.org/jira/browse/DERBY-3451
>             Project: Derby
>          Issue Type: Sub-task
>            Reporter: Dibyendu Majumdar
>            Assignee: Dibyendu Majumdar
>         Attachments: DERBY-3451_patch_rev630512.txt
>
>
> In the package org.apache.derby.iapi.error, the class StandardException contains references
to following classes:
> org.apache.derby.impl.jdbc.Util
> org.apache.derby.impl.jdbc.EmbedSQLException
> This is undesirable as it introduces a dependency between StandardException and the implementation
of EmbedSQLException.

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