batch.delete(lDbKey);
LOG.trace("Removed key index {} -> {}", key, new Buffer(rc));
// add exchange to confirmed index
byte[] confirmedLDBKey = keyBuilder(getRepositoryNameCompleted(), exchangeId);
batch.put(confirmedLDBKey, exchangeBuffer.toByteArray());
LOG.trace("Added confirm index {} for repository {}", exchangeId, getRepositoryNameCompleted());
levelDBFile.getDb().write(batch, levelDBFile.getWriteOptions());
} finally {
batch.close();