influxdata / influxdata/influxdb-client-python
When writing a batch to an implicit bucket upon schema conflict, I receive a 400. The logs seems to be f-printed.
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- Langage dominant
- Python
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Description
Specifications
- Client Version: 1.40.0
- InfluxDB Version: Cloud 2.0 TSM
- Platform: GCP
I am extracting some data from BQ and pushing it to Influx. That part is working well.
Next, I write a point in an Influx bucket to mark the task completed. This was written by someone else and it uses a different call.
In this particular case, I have a conflict for the second parameter. In the GCP logs, I can see the error as "default" on top of the log generated by loguru (the log appears twice).
Code sample to reproduce problem
in the calling function
points = [
Point.from_dict(
{
"measurement": __DATA_MEASUREMENT,
"fields": {state: value},
"tags": {"type": "status", **tags},
}
),
Point.from_dict(
{
"measurement": __DATA_MEASUREMENT,
"fields": {state: datetime.now().isoformat()},
"tags": {"type": "timestamp", **tags},
}
),
]
write_points(
__INFLUX_URL,
__INFLUX_TOKEN,
__INFLUX_BUCKET,
__INFLUX_ORGANISATION,
points,
)
```
in the lib to write_points:
``````python
def write_points(
influx_url: str,
influx_token: str,
influx_bucket: str,
influx_organization: str,
points: List[Union[Point, Dict[str, Any]]],
) -> None:
logger.info("Writing to InfluxDB, Points length={}", len(points))
client = InfluxDBClient(url=influx_url, token=influx_token, timeout=300_000)
try:
write_api = client.write_api(
success_callback=callback.success,
error_callback=callback.error,
retry_callback=callback.retry,
write_options=WriteOptions(max_retries=10, max_retry_time=280_000)
)
try:
write_api.write(
batch_size=200,
bucket=influx_bucket,
org=influx_organization,
record=points
)
logger.debug("Write operation completed")
except InfluxDBError as e:
logger.error("InfluxDB Asynchronous write error: {}", str(e))
if hasattr(e, 'response'):
logger.error("Response status: {}", e.response.status_code)
logger.error("Response headers: {}", dict(e.response.headers))
logger.error("Response body: {}", e.response.text)
raise
except Exception as ex:
logger.error("Unexpected error during write operation: {}", str(ex))
raise
finally:
client.close()
```
I know this is not correctly configured to do SYNCHRONOUS write, but that is how I see the issue.
The callback object is just implementing calls to logger.{info|error|warning} resp.
### Expected behavior
The logs are formatted as per my loguru logger settings
### Actual behavior
some logs (error 400 schema conflict) appear twice.
### Additional info
(DEBUG) 2025-04-25 15:15:06.130 CEST
Write operation completed
(DEFAULT) 2025-04-25 15:15:10.914 CEST
The batch item wasn't processed successfully because: (400)
(DEFAULT) 2025-04-25 15:15:10.914 CEST
Reason: Bad Request
(DEFAULT) 2025-04-25 15:15:10.914 CEST
HTTP response headers: HTTPHeaderDict({'Date': 'Fri, 25 Apr 2025 13:15:09 GMT', 'Content-Type': 'application/json', 'Content-Length': '247', 'Connection': 'keep-alive', 'influxdata-partial-write': 'true', 'trace-id': 'xxxxxxxxxxxxxxxx', 'trace-sampled': 'false', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains', 'X-Influxdb-Request-ID': 'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz', 'X-Influxdb-Build': 'Cloud'})
(DEFAULT) 2025-04-25 15:15:10.914 CEST
HTTP response body: {"code":"invalid","message":"partial write has occurred, errors encountered on line(s): line 2: batch schema conflict - line has column 'inserted_data' of type iox::column_type::field::string but type is iox::column_type::field::integer","line":2}
(ERROR) 2025-04-25 15:15:10.915 CEST
Cannot write batch: ('{bucket_name}', '{org_name}', 'ns'), data: b'GCP_Data_monitoring,app=myapp,stage=preprod,type=status,zone=eu-west-01 inserted_data=1i\nGCP_Data_monitoring,app=myapp,stage=preprod,type=timestamp,zone=eu-west-01 inserted_data="2025-04-25T13:15:06.127660"' due: (400) Reason: Bad Request HTTP response headers: HTTPHeaderDict({'Date': 'Fri, 25 Apr 2025 13:15:09 GMT', 'Content-Type': 'application/json', 'Content-Length': '247', 'Connection': 'keep-alive', 'influxdata-partial-write': 'true', 'trace-id': 'xxxxxxxxxxxxxxxx', 'trace-sampled': 'false', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains', 'X-Influxdb-Request-ID': 'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz', 'X-Influxdb-Build': 'Cloud'}) HTTP response body: {"code":"invalid","message":"partial write has occurred, errors encountered on line(s): line 2: batch schema conflict - line has column 'inserted_data' of type iox::column_type::field::string but type is iox::column_type::field::integer","line":2}
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Piste de recherche
Commencez par la fonction write_points présentée, en particulier InfluxDBClient.write_api, WriteOptions et les callbacks success, error et retry. Reproduisez le conflit de schéma du batch et comparez la sortie des callbacks avec la sortie de loguru. Le travail sera considéré comme terminé lorsque l’erreur sera émise une seule fois avec le format attendu, ou lorsque l’issue identifiera clairement une limitation du comportement du client par rapport au callback.
Rédigé par le modèle d'indexation à partir du texte de l'issue.
Évaluation
- Stack technique
- python
- Domaine
- api, observability
- Type d'issue
- Bug
- Difficulté
- 3/5
- Temps estimé
- 1-2 jours
- Activité
- À l'abandon
- Clarté
- À clarifier
- Accessibilité débutants
- 30/100