[jira] [Resolved] (CONNECTORS-390) JDBC connector cannot find JDBC drivers that aren't part of the standard stable (e.g. Oracle)

["Karl Wright (Resolved) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CONNECTORS-390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karl Wright resolved CONNECTORS-390.
------------------------------------

    Resolution: Fixed

r1233737 fixes the problem, by changing the instructions and the class paths in the example and build.

                
> JDBC connector cannot find JDBC drivers that aren't part of the standard stable (e.g. Oracle)
> ---------------------------------------------------------------------------------------------
>
>                 Key: CONNECTORS-390
>                 URL: https://issues.apache.org/jira/browse/CONNECTORS-390
>             Project: ManifoldCF
>          Issue Type: Bug
>          Components: JDBC connector
>    Affects Versions: ManifoldCF 0.3, ManifoldCF 0.4, ManifoldCF 0.5
>            Reporter: Karl Wright
>            Assignee: Karl Wright
>             Fix For: ManifoldCF 0.5
>
>
> The JDBC driver cannot find any JDBC drivers that are placed in the connectors/jdbc/jdbc-drivers area.  This is not because the drivers aren't correctly copied to connector-lib, but rather because they are loaded by the pool driver, which uses the mcf-core class loader to do it.
> The fix is not obvious; there's no way to include more than one instance of the pool driver, and it's pretty well baked into the pool driver design to load the JDBC classes by reflection.  A workaround is to include the driver jar(s) in the start.jar manifest, or in the lib area for the multiprocess example.

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