* @return The newly added partition
* @throws Exception If the partition can't be added
*/
private Partition addPartition(final String partitionId, final String partitionDn) throws Exception {
// Create a new partition named 'foo'.
final JdbmPartition partition = new JdbmPartition();
partition.setId(partitionId);
partition.setPartitionDir(new File(service.getWorkingDirectory(), partitionId));
partition.setSuffix(partitionDn);
service.addPartition(partition);
return partition;
}