[jira] Commented: (DERBY-2472) Use Throwable.initCause() to improve error reporting

["Knut Anders Hatlen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-2472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12495521 ] 

Knut Anders Hatlen commented on DERBY-2472:
-------------------------------------------

Committed seenext.diff with revision 537753.

> 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, seenext.diff, seenext.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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