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Using lib azure-eventhubs-3.2.2 with MSI in a Java App Service. #19852

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TeplrGuy opened this issue Mar 15, 2021 · 4 comments
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Using lib azure-eventhubs-3.2.2 with MSI in a Java App Service. #19852

TeplrGuy opened this issue Mar 15, 2021 · 4 comments
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@JamesBirdsall
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Client This issue points to a problem in the data-plane of the library. customer-reported Issues that are reported by GitHub users external to the Azure organization. Event Hubs question The issue doesn't require a change to the product in order to be resolved. Most issues start as that Track 1
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[2021] April

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@TeplrGuy
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Using azure-eventhubs-3.2.2 and customer is getting the below errors:

The call is trying to connect to this endpoint "http://169.254.169.254/metadata/instance?api-version=2020-09-01" and get connection refused.
Error during managedIdentityScenario. Exception: [Ljava.lang.StackTraceElement;@35fc6dc4
java.lang.RuntimeException: java.net.ConnectException: Connection refused (Connection refused)
The above setup works on a VM but not on a web app hosted on Azure App Service.

Issue is fixed when using azure-messaging-eventhubs 5.0.2.

Question is, we don't like to use the new library, is there a way to use azure-eventhubs-3.2.2 with MSI on an App Service?
@ghost ghost added needs-triage Workflow: This is a new issue that needs to be triaged to the appropriate team. customer-reported Issues that are reported by GitHub users external to the Azure organization. question The issue doesn't require a change to the product in order to be resolved. Most issues start as that labels Mar 15, 2021
@TeplrGuy TeplrGuy changed the title [QUERY] Using lib azure-eventhubs-3.2.2 with MSI in a Java App Service. Mar 15, 2021
@joshfree joshfree added Client This issue points to a problem in the data-plane of the library. Track 1 labels Mar 15, 2021
@ghost ghost removed the needs-triage Workflow: This is a new issue that needs to be triaged to the appropriate team. label Mar 15, 2021
@joshfree joshfree added this to the [2021] April milestone Mar 15, 2021
@joshfree
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@conniey could you please follow up with @TeplrGuy

@TeplrGuy
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@joshfree looks like the solution is to use AppServiceMSICredentials class instead of MSICredentials

https://github.com/Azure/azure-libraries-for-java/blob/master/AUTH.md#using-msicredentials--appservicemsicredentials

Follow up question is: what is the main difference between using azure-eventhubs-3.2.2 vs using azure-messaging-eventhubs 5.0.2

@conniey
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conniey commented Mar 22, 2021

@TeplrGuy

Follow up question is: what is the main difference between using azure-eventhubs-3.2.2 vs using azure-messaging-eventhubs 5.0.2

azure-messaging-eventhubs is an entirely rewritten library for Azure Event Hubs. We rewrote many of the Java libraries to follow the same set of Azure SDK principles so consumers would get a unified feel for development. Here is a quick video on motivation (https://www.youtube.com/watch?v=38RYIx7a2M4) and our guidelines https://azure.github.io/azure-sdk/java_introduction.html

@conniey conniey assigned JamesBirdsall and unassigned conniey Apr 28, 2021
@ramya-rao-a
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@TeplrGuy Looks like you found the solution to the auth problem and @conniey has addressed your follow up question.
We will go ahead and close this issue.

Do try out the newer azure-messaging-eventhubs package and share any feedback you have.

azure-sdk pushed a commit to azure-sdk/azure-sdk-for-java that referenced this issue Jul 21, 2022
@ArcturusZhang
CodeGen from PR 19852 in Azure/azure-rest-api-specs
13f8e51 
[Hub Generated] Publish private branch 'main' (Azure#19852)

* Add StorageMover specification for PubliC Preview

* SpellCheck fix

* Update custom-words

* Update specification/storagemover/resource-manager/readme.md

Co-authored-by: Abhishek Krishna <abkrish@microsoft.com>
Co-authored-by: Dapeng Zhang <dapzhang@microsoft.com>
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Client This issue points to a problem in the data-plane of the library. customer-reported Issues that are reported by GitHub users external to the Azure organization. Event Hubs question The issue doesn't require a change to the product in order to be resolved. Most issues start as that Track 1
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@joshfree @conniey @JamesBirdsall @TeplrGuy @ramya-rao-a