I have some divices connected to IoT Hub thru Node Red. Then I want to ingest the data from these devices to data explorer. I have created the cluster, database anbd the connection. When I try to connect I get the following error applying the command ".show ingestion failures"
"OperationId": 0c25117e-cb0d-403f-b34f-c2c8e18fec7b,
"Database": MiBaseDatos,
"Table": Table1,
"FailedOn": 2022-11-04T10:45:42.3883537Z,
"IngestionSourcePath": MULTIPLE_SOURCES. Examples: https://75wkstrlddatosdb01.blob.core.windows.net/20221104-readyforaggregation/eh-iothub-ehub-borja-hub-22410154-37dbb7b14f-partition-0-seq-375-375-count-1-qkn.multijson.gz,https://xdakstrlddatosdb00.blob.core.windows.net/20221104-readyforaggregation/eh-iothub-ehub-borja-hub-22410154-37dbb7b14f-partition-0-seq-376-378-count-3-g0s.multijson.gz,
"Details": BadRequest_InvalidBlob: The parameter is incorrect. (os error -2147024809),
"FailureKind": Permanent,
"RootActivityId": 9f5b0bd6-2459-404e-b0e0-931a0e6ddb66,
"OperationKind": DataIngestPull,
"OriginatesFromUpdatePolicy": false,
"ErrorCode": BadRequest_InvalidBlob,
"Principal": dstsapp=KustoIngestionProd,
"ShouldRetry": false,
"User": ,
"IngestionProperties": [Format=MultiJson/mandatory, IngestionMapping=[{"column":"Device","datatype":"","Path":"$.Device"},{"column":"Data","datatype":"","Path":"$.Data"},{"column":"IotHubDeviceId","datatype":"","Path":"$.iothub-connection-device-id"},{"column":"IotHubEnqueuedTime","datatype":"","Path":"$.iothub-enqueuedtime"}], ValidationPolicy=[Options=ValidateCsvInputConstantColumns, Implications=BestEffort, IsDetailedErrorReportingEnabled=False], Tags=[ToStringEmpty], IngestIfNotExists=[ToStringEmpty], ZipPattern=[null]],
"NumberOfSources": 2
It looks that the format is not correct, but I do not understanb why and what i have to change.
The format I am using is json.