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From "Ricardo Espirito Santo (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DBCP-393) DBCP to support database connection failover
Date Mon, 03 Jun 2013 22:08:20 GMT

    [ https://issues.apache.org/jira/browse/DBCP-393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13673665#comment-13673665
] 

Ricardo Espirito Santo commented on DBCP-393:
---------------------------------------------

Hey Campbell, 

What would the maxRetry be used for? If we'd be counting the number of failed connection attempts
it would need a cleaver mechanism of parsing failed connection responses otherwise we could
be retrying on impossible to recover scenarios such as wrong password invalid username...
etc...

DriverManagerConnectionFactory seems like a very straight forward implementation and I wonder
why none of this logic was ever included.

Can someone else please comment on this?
                
> DBCP to support database connection failover
> --------------------------------------------
>
>                 Key: DBCP-393
>                 URL: https://issues.apache.org/jira/browse/DBCP-393
>             Project: Commons Dbcp
>          Issue Type: Improvement
>    Affects Versions: 1.4
>            Reporter: Campbell
>            Priority: Critical
>
> Hello. Would it be possible for the DriverManagerConnectionFactory to accept a list or
alternative database connection URL. With a possible maxRetry parameter, the suggestion is
this improvement would allow for automatic fail over to a secondary database when a connection
exception occurs.
> Let me know if this is a good candidate or if you have made thought of this already as
it is standard behaviour in other managed datasources. Many thanks.

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