Cannot get network.dat to build

[bigdataforsocialjustice]

When I updated to the latest package, I consistently encounter the following error. I know that it has been posted elsewhere. I followed those steps (e.g., ruling out a faulty PDF file, etc.) and have run this on different data. I would truly appreciate help with identifying the problem. The network.dat file is not built in the data_path. Thank you!!!

Error in .jcall("RJavaTools", "Z", "hasField", .jcast(x, "java/lang/Object"), :
java.lang.NullPointerException: Cannot invoke "Object.getClass()" because "" is null

Situation report here

$r5r_package_version
[1] ‘2.0’

$r5_jar_version
[1] "7.1"

$java_version
[1] "21.0.4"

$set_memory
[1] "-Xmx5G"

$session_info
R version 4.3.2 (2023-10-31 ucrt)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 11 x64 (build 22631)

[rafapereirabr]

could you please share the link to your .pbf and GTFS data ?

[bigdataforsocialjustice]

Yes Rafael, Thank you so much for any help you might provide, the files are attached. The brockton-ma-us.zip and the plymouth.gtfs go with the massachusetts-latest.osm_01.pbf along with the hex_grids.csv. I also tried the atlanta_georgia.osm.pbf with the MARTA.zip. I get the same error. I am certain I am using the correct version of java. Also, I truly love your work, it is incredible and truly appreciated. Sincerely, Gia brockton-ma-us.zip <https://drive.google.com/file/d/1DlpT9Yx6qWavuFgffBd3hbeH79K9iXK4/view?usp=drive_web> massachusetts-latest.osm_01.pbf <https://drive.google.com/file/d/1ftSuYa4K6YaImPLEX1jzNsiw5o525U2F/view?usp=drive_web> atlanta_georgia.osm.pbf <https://drive.google.com/file/d/1hp6notSVINzfH27kpzxSoiCGmVipOTRS/view?usp=drive_web> MARTA.zip <https://drive.google.com/file/d/1eTN0c2VlGbt8uDddQI5GPIl7NNc0mYDn/view?usp=drive_web>

…

On Sat, Oct 19, 2024 at 3:27 PM Rafael H M Pereira ***@***.***> wrote: could you please share the link to your .pbf and GTFS data ? — Reply to this email directly, view it on GitHub <#406 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AUATXLYJMDEZARIKJJJBEM3Z4KXDHAVCNFSM6AAAAABQHVW5M2VHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDIMRUGE3DCOJZHE> . You are receiving this because you authored the thread.Message ID: ***@***.***>

[rafapereirabr]

Hi @bigdataforsocialjustice . I suspect your case is related to issue #407, which has been reported by other users. The problem seems to be that you are passing the OSM data of an area that is exceeds the limits of R5. The problem we have is that {r5r} should be capturing the error message, as it used to, but we're still invetigating how to fix this issue.

In the meantime, I suggest you follow these guidelines here to crop your OSM data to a smaller area.

[rafapereirabr]

@bigdataforsocialjustice , can you please try running this reproducible example? Please let us know if this works in your computer.

library(r5r)

# build transport network
data_path <- system.file("extdata/poa", package = "r5r")
r5r_core <- setup_r5(data_path)

# load origin/destination points
points <- read.csv(file.path(data_path, "poa_points_of_interest.csv"))

departure_datetime <- as.POSIXct(
  "13-05-2019 14:00:00",
  format = "%d-%m-%Y %H:%M:%S"
)

ttm <- travel_time_matrix(
  r5r_core,
  origins = points,
  destinations = points,
  mode = c("WALK", "TRANSIT"),
  departure_datetime = departure_datetime,
  max_trip_duration = 60
)

head(ttm)

[bigdataforsocialjustice]

Thank you. Yes, this works great, and I see the network.dat file is in the appropriate directory. Gia

…

On Tue, Oct 22, 2024 at 8:28 AM Rafael H M Pereira ***@***.***> wrote: @bigdataforsocialjustice <https://github.com/bigdataforsocialjustice> , can you please try running this reproducible example? Please let us know if this works in your computer. library(r5r) # build transport network data_path <- system.file("extdata/poa", package = "r5r") r5r_core <- setup_r5(data_path) # load origin/destination points points <- read.csv(file.path(data_path, "poa_points_of_interest.csv")) departure_datetime <- as.POSIXct( "13-05-2019 14:00:00", format = "%d-%m-%Y %H:%M:%S" ) ttm <- travel_time_matrix( r5r_core, origins = points, destinations = points, mode = c("WALK", "TRANSIT"), departure_datetime = departure_datetime, max_trip_duration = 60 ) head(ttm) — Reply to this email directly, view it on GitHub <#406 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AUATXLZ6DFWQULNHHMRF5W3Z4ZAGTAVCNFSM6AAAAABQHVW5M2VHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDIMRZGE2DONZXGA> . You are receiving this because you were mentioned.Message ID: ***@***.***>