useAllocationBlockPlaceholders =
env.useAllocationBlockPlaceholders();
freeObjectIds = new FreeObjectIds(useAllocationBlockPlaceholders);
removeUnusedAllocationPlaceholders(dbTxn);
done = true;
dbTxn.commit();
} catch (RuntimeException e) {
throw handleException(
null, Level.SEVERE, e, "DataStore initialization");
} catch (Error e) {
logger.logThrow(