Program: 34294
Project: 34294
Buggy source:
@Override public CompletableFuture<List<Result>> query(QuerySession session,boolean translate) throws Exception {
  List<Result> results=new ArrayList<>();
  CompletableFuture<List<Result>> future=new CompletableFuture<>();
  SQLQuery query=H2SQLQuery.from(session);
  Prism.getLogger().debug("String_Node_Str" + query);
  try (Connection conn=H2StorageAdapter.getConnection();PreparedStatement statement=conn.prepareStatement(query.toString());ResultSet rs=statement.executeQuery()){
    List<UUID> uuidsPendingLookup=new ArrayList<>();
    while (rs.next()) {
      Result result=Result.from(rs.getString(DataQueries.EventName.toString()),!session.hasFlag(Flag.NO_GROUP));
      DataContainer data=new MemoryDataContainer();
      data.set(DataQueries.EventName,rs.getString(DataQueries.EventName.toString()));
      data.set(DataQueries.Created,rs.getLong(DataQueries.Created.toString()));
      String target=rs.getString(DataQueries.Target.toString());
      data.set(DataQueries.Target,target != null ? target : "String_Node_Str");
      if (!session.hasFlag(Flag.NO_GROUP)) {
        data.set(DataQueries.Count,rs.getInt("String_Node_Str"));
      }
 else {
        DataContainer loc=new MemoryDataContainer();
        loc.set(DataQueries.X,rs.getInt(DataQueries.X.toString()));
        loc.set(DataQueries.Y,rs.getInt(DataQueries.Y.toString()));
        loc.set(DataQueries.Z,rs.getInt(DataQueries.Z.toString()));
        loc.set(DataQueries.WorldUuid,rs.getString(DataQueries.WorldUuid.toString()));
        data.set(DataQueries.Location,loc);
        JsonObject json=new JsonParser().parse(rs.getString("String_Node_Str")).getAsJsonObject();
        DataView extra=DataUtil.dataViewFromJson(json);
        for (        DataQuery key : extra.getKeys(false)) {
          data.set(key,extra.get(key).get());
        }
      }
      String player=rs.getString(DataQueries.Player.toString());
      if (player != null && !player.isEmpty()) {
        data.set(DataQueries.Cause,player);
        if (translate) {
          uuidsPendingLookup.add(UUID.fromString(player));
        }
      }
 else {
        data.set(DataQueries.Cause,rs.getString(DataQueries.Cause.toString()));
      }
      result.data=data;
      results.add(result);
    }
    if (translate && !uuidsPendingLookup.isEmpty()) {
      DataUtil.translateUuidsToNames(results,uuidsPendingLookup).thenAccept(future::complete);
    }
 else {
      future.complete(results);
    }
  }
   return future;
}

Fixed version (ground truth):
@Override public CompletableFuture<List<Result>> query(QuerySession session,boolean translate) throws Exception {
  List<Result> results=new ArrayList<>();
  CompletableFuture<List<Result>> future=new CompletableFuture<>();
  SQLQuery query=H2SQLQuery.from(session);
  Prism.getLogger().debug("String_Node_Str" + query);
  try (Connection conn=H2StorageAdapter.getConnection();PreparedStatement statement=conn.prepareStatement(query.toString());ResultSet rs=statement.executeQuery()){
    List<UUID> uuidsPendingLookup=new ArrayList<>();
    while (rs.next()) {
      Result result=Result.from(rs.getString(DataQueries.EventName.toString()),!session.hasFlag(Flag.NO_GROUP));
      DataContainer data=new MemoryDataContainer();
      data.set(DataQueries.EventName,rs.getString(DataQueries.EventName.toString()));
      String target=rs.getString(DataQueries.Target.toString());
      data.set(DataQueries.Target,target != null ? target : "String_Node_Str");
      if (!session.hasFlag(Flag.NO_GROUP)) {
        data.set(DataQueries.Count,rs.getInt("String_Node_Str"));
      }
 else {
        DataContainer loc=new MemoryDataContainer();
        loc.set(DataQueries.X,rs.getInt(DataQueries.X.toString()));
        loc.set(DataQueries.Y,rs.getInt(DataQueries.Y.toString()));
        loc.set(DataQueries.Z,rs.getInt(DataQueries.Z.toString()));
        loc.set(DataQueries.WorldUuid,rs.getString(DataQueries.WorldUuid.toString()));
        data.set(DataQueries.Location,loc);
        data.set(DataQueries.Created,rs.getLong(DataQueries.Created.toString()));
        JsonObject json=new JsonParser().parse(rs.getString("String_Node_Str")).getAsJsonObject();
        DataView extra=DataUtil.dataViewFromJson(json);
        for (        DataQuery key : extra.getKeys(false)) {
          data.set(key,extra.get(key).get());
        }
      }
      String player=rs.getString(DataQueries.Player.toString());
      if (player != null && !player.isEmpty()) {
        data.set(DataQueries.Cause,player);
        if (translate) {
          uuidsPendingLookup.add(UUID.fromString(player));
        }
      }
 else {
        data.set(DataQueries.Cause,rs.getString(DataQueries.Cause.toString()));
      }
      result.data=data;
      results.add(result);
    }
    if (translate && !uuidsPendingLookup.isEmpty()) {
      DataUtil.translateUuidsToNames(results,uuidsPendingLookup).thenAccept(future::complete);
    }
 else {
      future.complete(results);
    }
  }
   return future;
}