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https://issues.apache.org/jira/browse/DERBY-4443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13008784#comment-13008784
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Aaron Digulla commented on DERBY-4443:
--------------------------------------

I think this is beyond the scope of the bug report. Please ask your questions 
on stackoverflow.com.

> Wrap rollback in exception handlers in try-catch
> ------------------------------------------------
>
>                 Key: DERBY-4443
>                 URL: https://issues.apache.org/jira/browse/DERBY-4443
>             Project: Derby
>          Issue Type: Bug
>          Components: Demos/Scripts, Documentation, Eclipse Plug-in, JDBC, 
> Network Client, Network Server, Replication, Services, SQL, Test, Tools
>    Affects Versions: 10.5.3.0
>            Reporter: Aaron Digulla
>              Labels: derby_triage10_8
>         Attachments: DERBY-4443.patch
>
>
> Avoid this pattern everywhere:
>               }catch(SQLException se){
>                       //issue a rollback on any errors
>                       conn.rollback();
>                       throw  se;
>               }
> because an error in rollback will shadow the original exception.

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