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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2472) Use Throwable.initCause() to improve error reporting
Date Sun, 13 May 2007 09:41:15 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen updated DERBY-2472:
--------------------------------------

    Attachment: embedsqlexception.stat
                embedsqlexception.diff

Attaching patch which replaces EmbedSQLException's chaining (getJavaException()) with initCause/getCause
and makes EmbedSQLException use initCause (in addition to setNextException) for the next SQLException
if no Java exception has been specified.

Derbyall and suites.All ran cleanly on Java 1.5 and Java 1.6.

> Use Throwable.initCause() to improve error reporting
> ----------------------------------------------------
>
>                 Key: DERBY-2472
>                 URL: https://issues.apache.org/jira/browse/DERBY-2472
>             Project: Derby
>          Issue Type: Improvement
>          Components: JDBC, Miscellaneous
>    Affects Versions: 10.3.0.0
>            Reporter: Kristian Waagan
>         Assigned To: Knut Anders Hatlen
>            Priority: Minor
>         Attachments: derby-2472_initial_patch.diff, embedsqlexception.diff, embedsqlexception.stat,
setStackTrace-v2.diff, setStackTrace.diff, standardexception.diff, standardexception.stat
>
>
> As Derby has moved to J2SE 1.4, Throwable.initCause() can now be used to improve error
reporting.
> As stated in the initial commit (that was backed out, see below):
> 'Set Throwable.initCause() in a couple of locations at the JDBC level where we setup
nested SQLExceptions.
> This means that automatically the stack trace for a database failed to start includes
the reason
> for the failure, rather than just "see next exception". This is a great help when running
> JUnit tests and getting failures to start a database.'
> The initial commit was backed out because it broke numerous tests under JDK 1.6, and
the author indicated he had no time to investigate.
> The patch caused no failures when running the tests with Java SE 5.0.

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