Why Service Bus Output binding is not working for Azure Functions? - No errors

Question

I try to send HTTPTriggered message to Service Bus Output. I'm following sample of https://learn.microsoft.com/en-us/azure/azure-functions/functions-bindings-service-bus-output?tabs=csharp

I get no error when I execute this code from Visual Studio Code. In this I'm debugging locally.

However Service Bus Portal says there is 0 incoming message. What could be wrong? Is there issue with code?

using System;
using System.IO;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Azure.WebJobs;
using Microsoft.Azure.WebJobs.Extensions.Http;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Microsoft.ServiceBus.Messaging;
using Microsoft.ServiceBus;


namespace Company.Function
{
    public static class HttpTriggerCSharp1
    {
    [FunctionName("ServiceBusOutput")]

    [return: ServiceBus("queue1", Connection ="Endpoint=sb://12345servicebus.servicebus.windows.net/;SharedAccessKeyName=RootManageSharedAccessKey;SharedAccessKey=12345+cmc8501HJ6Ips2OxIZKtO6gctT8d1ZpNN0GNw=")]
    public static string ServiceBusOutput([HttpTrigger] dynamic input, ILogger log)
    {

        //log.LogInformation($"C# function processed: {input.Text}");
        //return input.Text;
        return "MessageToServiceBus123"
    }
}

}

Http Functions:

        ServiceBusOutput:  http://localhost:7071/api/ServiceBusOutput

[10.3.2020 21.35.37] Host lock lease acquired by instance ID '0000000000000000000000008457DB20'.
[10.3.2020 21.35.44] Executing HTTP request: {
[10.3.2020 21.35.44]   "requestId": "0ccbb526-b861-407a-893c-cc0821b20535",
[10.3.2020 21.35.44]   "method": "GET",
[10.3.2020 21.35.44]   "uri": "/api/ServiceBusOutput"
[10.3.2020 21.35.44] }
[10.3.2020 21.35.45] Executing 'ServiceBusOutput' (Reason='This function was programmatically called 
via the host APIs.', Id=faf4083f-504a-473b-b9fa-22ac0783cdb0)
[10.3.2020 21.35.45] Executed 'ServiceBusOutput' (Succeeded, Id=faf4083f-504a-473b-b9fa-22ac0783cdb0)
[10.3.2020 21.35.45] Executed HTTP request: {
[10.3.2020 21.35.45]   "requestId": "0ccbb526-b861-407a-893c-cc0821b20535",
[10.3.2020 21.35.45]   "method": "GET",
[10.3.2020 21.35.45]   "uri": "/api/ServiceBusOutput",
[10.3.2020 21.35.45]   "identities": [
[10.3.2020 21.35.45]     {
[10.3.2020 21.35.45]       "type": "WebJobsAuthLevel",
[10.3.2020 21.35.45]       "level": "Admin"
[10.3.2020 21.35.45]     }
[10.3.2020 21.35.45]   ],
[10.3.2020 21.35.45]   "status": 200,
[10.3.2020 21.35.45]   "duration": 906
[10.3.2020 21.35.45] }
[10.3.2020 21.35.45] Executing HTTP request: {
[10.3.2020 21.35.45]   "requestId": "d2587ceb-f728-4cda-be99-ff7852384a59",
[10.3.2020 21.35.45]   "method": "GET",
[10.3.2020 21.35.45]   "uri": "/favicon.ico"
[10.3.2020 21.35.45] }
[10.3.2020 21.35.46] Executed HTTP request: {
[10.3.2020 21.35.46]   "requestId": "d2587ceb-f728-4cda-be99-ff7852384a59",
[10.3.2020 21.35.46]   "method": "GET",
[10.3.2020 21.35.46]   "uri": "/favicon.ico",
[10.3.2020 21.35.46]   "identities": [],
[10.3.2020 21.35.46]   "status": 404,
[10.3.2020 21.35.46]   "duration": 645
[10.3.2020 21.35.46] }

You should set connection key-value in loca.settings.json, and put key in the binding not the value. — George Chen
– George Chen, Commented Mar 11, 2020 at 1:20

Sajeetharan · Accepted Answer · 2020-03-11 01:59:16Z

1

As the document says,

You can set the Connection property to specify the name of an app setting that contains the Service Bus connection string to use

You should set connection string value as a key value pair in local.settings.json and mention the key

For ex,

[FunctionName("ServiceBusOutput")]
[return: ServiceBus("myqueue", Connection = "ServiceBusConnection")]
public static string Run([HttpTrigger] dynamic input, ILogger log)

Local.settings.json

{  
  "ServiceBusConnection": "whatever connection string"
}

answered Mar 11, 2020 at 1:59

Sajeetharan

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