Failed Binding Queue Storage Message Text in Azure Function

Question

I have successfully sent some messages to Azure queue storage.

Here's a code of how I send messages to my queue storage:

private void QueueEmail(Email email)
{
    QueueClient client = GetQueueStorage("invoice-email");

    var message = JsonConvert.SerializeObject(email);

    System.Diagnostics.Debug.WriteLine(message);
    client.SendMessageAsync(message).Wait();
}

The errors occur when I try to run the azure function to process the queue, the execution failed. Below are the error messages.

Does anyone know how to solve this problem?

Gaurav Mantri · Accepted Answer · 2021-07-27 13:07:00Z

2

The reason you're running into this issue is because Function is expecting a base64 encoded string and you're passing a simple string.

From this link:

Encoding

Functions expect a base64 encoded string. Any adjustments to the encoding type (in order to prepare data as a base64 encoded string) need to be implemented in the calling service.

Before sending the message, please try to convert that to a base64 encoded string. Something like:

private void QueueEmail(Email email)
{
    QueueClient client = GetQueueStorage("invoice-email");

    var message = JsonConvert.SerializeObject(email);

    System.Diagnostics.Debug.WriteLine(message);
    client.SendMessageAsync(Convert.ToBase64String(Encoding.UTF8.GetBytes(message))).Wait();
}

edited Jul 27, 2021 at 13:07

answered Jul 27, 2021 at 12:58

Gaurav Mantri

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1 Comment

Sherwin Variancia Over a year ago

Thanks for the detailed solution! Never know the simple string is different from the base64 encoded string.

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