try {
MapSqlParameterSource poParams = new MapSqlParameterSource();
poParams.addValue("submission_submissionId", submission.getId())
.addValue("partition_partitionId", l.getId())
.addValue("dilution_dilutionId", dil.getId());
sInsert.execute(poParams);
}
catch (DuplicateKeyException dke) {
log.warn("This Submission_Partition_Dilution combination already exists - not inserting: " + dke.getMessage());
}