[英]How do we set setMetadata in azure fileclient for Azure Data Lake in C#
I am getting while setting meta data in azure data lake file using azure fileclient, it's throwing the exception like "Specified value has invalid HTTP Header characters. Parameter name: name in azure data lake"
我正在使用字典來設置元數據。
PathHttpHeaders path = new PathHttpHeaders();
path.ContentType = "application/octet-stream";
fileClient.SetHttpHeaders(path);
var metaDataProperties = await GetMetaDataProperties(entityData);
await fileClient.SetMetadataAsync(metaDataProperties);
上述問題已解決,問題是由 FileClient 實例引起的,我使用的是同一個 FileClient 實例,用於將文件存儲到 Azure 數據湖中。 為了解決這個問題,我創建了一個新的 FileClient 實例,它對我有用。 下面是我的代碼。
private async Task SetMetaDataProps(MessageWrapper wrapper, Uri uri, string filename)
{
try
{
var entityData = JObject.Parse(wrapper.Payload);
entityData["FileName"] = filename;
var storageCredentials = new StorageSharedKeyCredential("accountName", "accountKey");
var fileclient = new DataLakeFileClient(uri, storageCredentials);
var metaDataProps = await GetMetaDataProperties(entityData);
var ss = fileclient.SetMetadataAsync(metaDataProps);
}
catch(Exception ex)
{
throw ex;
}
}
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