[Biojava-dev] JDBCPooledDataSource regression
Richard Holland
holland at ebi.ac.uk
Wed Jan 31 11:04:05 UTC 2007
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Hi Thomas. I have made the change on Head as you have requested.
cheers,
Richard.
Thomas Down wrote:
> Hi,
>
> A few weeks ago, this patch removed a couple of apparently-redundant
> lines from JDBCPooledDataSource:
>
> http://code.open-bio.org/cgi/viewcvs.cgi/biojava-live/
> src/org/biojava/utils/JDBCPooledDataSource.java.diff?
> r1=1.2&r2=1.3&cvsroot=biojava
>
> This change causes at least some DataSource objects created using
> this class to fail with a NullPointerException the first time a
> connection is actually requested. Using biojava-ensembl to access an
> Ensembl MySQL database demonstrates this problem consistently.
> Reverting to revision 1.2 of JDBCPooledDataSource.java solves the
> problem.
>
> It looks like the PoolableConnectionFactory constructor has a side
> effect of registering the factory with the specified ObjectPool.
> This side effect doesn't seem to be documented particularly clearly,
> but the example code towards the bottom of:
>
> http://jakarta.apache.org/commons/dbcp/apidocs/org/apache/
> commons/dbcp/package-summary.html#package_description
>
> seems to rely on this behavior.
>
>
> Would it be possible to roll this source file back to revision 1.2?
> Or, alternatively, is there someone who can set me up with commit
> access on the new CVS server (I think I still have an account there,
> but my password doesn't work since the server move).
>
> Thanks,
>
> Thomas.
> _______________________________________________
> biojava-dev mailing list
> biojava-dev at lists.open-bio.org
> http://lists.open-bio.org/mailman/listinfo/biojava-dev
>
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