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[英]In azure datafactory how to copy data from blob to sql without duplication?
[英]Getting exception when i try to copy data from Azure Blob to SQL Datawarehouse using DataFactory
我創建了一個管道,它使用 Copy 活動將數據從 Blob 移動到 SQL Datawarehouse。
Azure Blob Dataset:
"name": "TradeData",
"properties": {
"type": "AzureBlob",
"linkedServiceName": "HDInsightStorageLinkedService",
"structure": [],
"typeProperties": {
"folderPath": "hdinsight/hive/warehouse/tradesummary/",
"format": {
"type": "OrcFormat"
}
},
SQL DW Dataset:
"name": "TradeDataRepository",
"properties": {
"type": "AzureSqlDWTable",
"linkedServiceName": "AzureSQLDataWarehouseLinkedService",
"typeProperties": {
"tableName": "tradesummary"
},
Pipeline:
"activities": [
{
"name": "CopyActivityTemplate",
"type": "Copy",
"inputs": [
{
"name": "TradeData"
}
],
"outputs": [
{
"name": "TradeDataRepository"
}
],
"typeProperties": {
"source": {
"type": "BlobSource",
"skipHeaderLineCount": 0
},
"sink": {
"type": "SqlDWSink",
"allowPolyBase": false
}
當我執行管道時,出現以下錯誤:
數據庫操作失敗。
來自數據庫執行的錯誤消息: ErrorCode=FailedDbOperation,'Type=Microsoft.DataTransfer.Common.Shared.HybridDeliveryException,Message=Error happened when loading data into SQL Data Warehouse.,Source=Microsoft.DataTransfer.ClientLibrary,''Type=System. Data.SqlClient.SqlException,Message=110802;發生內部 DMS 錯誤導致此操作失敗。 詳細信息:異常:Microsoft.SqlServer.DataWarehouse.DataMovement.Common.ExternalAccess.HdfsAccessException,消息:Java 調用 HdfsBridge_CreateRecordReader 時引發異常:錯誤 [HdfsBridge::CreateRecordReader - 創建記錄讀取器時遇到意外錯誤。] 訪問外部文件時發生 [ /hive/warehouse/tradesummary/000000_0][0].,Source=.Net SqlClient Data Provider,SqlErrorNumber=110802,Class=16,ErrorCode=-2146232060,State=1,Errors=[{Class=16,Number=110802 ,State=1,Message=110802;發生內部 DMS 錯誤導致此操作失敗。 詳細信息:異常:Microsoft.SqlServer.DataWarehouse.DataMovement.Common.ExternalAccess.HdfsAccessException,消息:Java 調用 HdfsBridge_CreateRecordReader 時引發異常:錯誤 [HdfsBridge::CreateRecordReader - 創建記錄讀取器時遇到意外錯誤。] 訪問外部文件時發生 [ /hive/warehouse/tradesummary/000000_0][0].,},],'.
任何指針將不勝感激。
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