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The dataset generation failed
Error code: DatasetGenerationError
Exception: ArrowInvalid
Message: Schema at index 72 was different:
filename: string
data: list<item: struct<station: string, gen_time: string, line: extension<arrow.json>>>
vs
filename: string
data: list<item: struct<nextStationCode: string, trainId: string, ttl: int64, destinationStationCode: string, jsonContent: list<item: struct<trainId: string, carload: list<item: struct<carNumber: int64, channels: list<item: struct<channel: string, count: double, lastUpdateTime: timestamp[s]>>, carId: string>>, trainDistribution: string, line: string, curStn: string, destStn: string, nextStn: string, aCarNum: string, lastUpdateTime: timestamp[s]>>, trainType: string, td: string, line: extension<arrow.json>, lambdaDateTime: int64, carLoads: list<item: struct<passengerLoad: string, channels: list<item: struct<channel: string, count: double, lastUpdateTime: timestamp[s]>>, carNo: int64, passengerCount: int64, carId: string>>, updatedTime: int64, trainConsist: string, currentStationCode: string>>
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1800, in _prepare_split_single
writer.write_table(table)
File "/usr/local/lib/python3.12/site-packages/datasets/arrow_writer.py", line 764, in write_table
self.write_rows_on_file() # in case there are buffered rows to write first
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/arrow_writer.py", line 662, in write_rows_on_file
table = pa.concat_tables(self.current_rows)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "pyarrow/table.pxi", line 6319, in pyarrow.lib.concat_tables
File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
pyarrow.lib.ArrowInvalid: Schema at index 72 was different:
filename: string
data: list<item: struct<station: string, gen_time: string, line: extension<arrow.json>>>
vs
filename: string
data: list<item: struct<nextStationCode: string, trainId: string, ttl: int64, destinationStationCode: string, jsonContent: list<item: struct<trainId: string, carload: list<item: struct<carNumber: int64, channels: list<item: struct<channel: string, count: double, lastUpdateTime: timestamp[s]>>, carId: string>>, trainDistribution: string, line: string, curStn: string, destStn: string, nextStn: string, aCarNum: string, lastUpdateTime: timestamp[s]>>, trainType: string, td: string, line: extension<arrow.json>, lambdaDateTime: int64, carLoads: list<item: struct<passengerLoad: string, channels: list<item: struct<channel: string, count: double, lastUpdateTime: timestamp[s]>>, carNo: int64, passengerCount: int64, carId: string>>, updatedTime: int64, trainConsist: string, currentStationCode: string>>
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1821, in _prepare_split_single
num_examples, num_bytes = writer.finalize()
^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/arrow_writer.py", line 781, in finalize
self.write_rows_on_file()
File "/usr/local/lib/python3.12/site-packages/datasets/arrow_writer.py", line 662, in write_rows_on_file
table = pa.concat_tables(self.current_rows)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "pyarrow/table.pxi", line 6319, in pyarrow.lib.concat_tables
File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
pyarrow.lib.ArrowInvalid: Schema at index 72 was different:
filename: string
data: list<item: struct<station: string, gen_time: string, line: extension<arrow.json>>>
vs
filename: string
data: list<item: struct<nextStationCode: string, trainId: string, ttl: int64, destinationStationCode: string, jsonContent: list<item: struct<trainId: string, carload: list<item: struct<carNumber: int64, channels: list<item: struct<channel: string, count: double, lastUpdateTime: timestamp[s]>>, carId: string>>, trainDistribution: string, line: string, curStn: string, destStn: string, nextStn: string, aCarNum: string, lastUpdateTime: timestamp[s]>>, trainType: string, td: string, line: extension<arrow.json>, lambdaDateTime: int64, carLoads: list<item: struct<passengerLoad: string, channels: list<item: struct<channel: string, count: double, lastUpdateTime: timestamp[s]>>, carNo: int64, passengerCount: int64, carId: string>>, updatedTime: int64, trainConsist: string, currentStationCode: string>>
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1347, in compute_config_parquet_and_info_response
parquet_operations = convert_to_parquet(builder)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 980, in convert_to_parquet
builder.download_and_prepare(
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 882, in download_and_prepare
self._download_and_prepare(
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 943, in _download_and_prepare
self._prepare_split(split_generator, **prepare_split_kwargs)
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1646, in _prepare_split
for job_id, done, content in self._prepare_split_single(
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1832, in _prepare_split_single
raise DatasetGenerationError("An error occurred while generating the dataset") from e
datasets.exceptions.DatasetGenerationError: An error occurred while generating the datasetNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
filename string | data list |
|---|---|
2026-05-21T10:51:51.292Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T10:51:31.780Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA19\",\"ttnt\":0,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T10:51:29.006Z\"},{\"destination\":\"TIK\",\"td\":\"GA20\",\"ttnt\":3,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
2026-05-21T10:57:47.885Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T10:57:32.013Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA46\",\"ttnt\":0,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T10:57:29.879Z\"},{\"destination\":\"TIK\",\"td\":\"GA01\",\"ttnt\":2,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
2026-05-21T10:58:47.881Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T10:58:32.052Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA01\",\"ttnt\":1,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T10:58:29.282Z\"},{\"destination\":\"TIK\",\"td\":\"GA35\",\"ttnt\":3,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
2026-05-21T10:59:47.861Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T10:59:32.061Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA01\",\"ttnt\":0,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T10:59:29.983Z\"},{\"destination\":\"TIK\",\"td\":\"GA35\",\"ttnt\":2,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
2026-05-21T11:00:47.436Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T11:00:32.069Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA35\",\"ttnt\":1,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T11:00:17.236Z\"},{\"destination\":\"TIK\",\"td\":\"GA02\",\"ttnt\":3,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
2026-05-21T11:01:47.866Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T11:01:32.264Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA35\",\"ttnt\":0,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T11:01:31.735Z\"},{\"destination\":\"TIK\",\"td\":\"GA02\",\"ttnt\":2,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
2026-05-21T11:02:47.416Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T11:02:32.153Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA02\",\"ttnt\":1,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T11:02:28.725Z\"},{\"destination\":\"TIK\",\"td\":\"GA03\",\"ttnt\":3,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
2026-05-21T11:03:47.412Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T11:03:32.181Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA02\",\"ttnt\":0,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T11:03:27.418Z\"},{\"destination\":\"TIK\",\"td\":\"GA03\",\"ttnt\":2,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
2026-05-21T11:04:47.850Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T11:04:32.241Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA03\",\"ttnt\":1,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T11:04:24.009Z\"},{\"destination\":\"TIK\",\"td\":\"GA36\",\"ttnt\":3,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
2026-05-21T11:05:47.910Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T11:05:32.271Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA03\",\"ttnt\":0,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T11:05:29.837Z\"},{\"destination\":\"TIK\",\"td\":\"GA36\",\"ttnt\":2,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
2026-05-21T11:06:47.852Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T11:06:32.340Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA36\",\"ttnt\":1,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T11:06:26.653Z\"},{\"destination\":\"TIK\",\"td\":\"GA04\",\"ttnt\":3,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
2026-05-21T11:07:47.646Z.json | [
{
"station": "NTK",
"gen_time": "2026-05-21T11:07:32.398Z",
"line": "{\"KTL\":{\"1\":[{\"destination\":\"TIK\",\"td\":\"GA36\",\"ttnt\":0,\"tta\":\"\",\"ttd\":\"\",\"seq\":1,\"curr_time\":\"2026-05-21T11:07:30.602Z\"},{\"destination\":\"TIK\",\"td\":\"GA04\",\"ttnt\":2,\"tta\":\"\",\"ttd\":\"\",\"seq\":... |
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